DenseNet:Densely Connected Convolutional Networks--CVPR2017最佳论文奖

简介: DenseNet:以前馈方式将每一层连接到其他每一层。对于具有L层的传统卷积网络有L个连接(每一层与其后续层之间有一个连接),而DenseNet有$\frac{L(L+1)}{2}$个连接。

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参考论文:Densely Connected Convolutional Networks

作者:Gao Huang, Zhuang Liu, Laurens van der Maaten, Kilian Q. Weinberger

==CVPR2017最佳论文奖==

1、DenseNet简介

  DenseNet:以前馈方式将每一层连接到其他每一层。对于具有L层的传统卷积网络有L个连接(每一层与其后续层之间有一个连接),而DenseNet有$\frac{L(L+1)}{2}$个连接。

  对于每一层,所有前面层的特征图都被用作输入,它自己的特征图被用作所有后续层的输入。

  DenseNet有几个引人注目的优势:

  • 缓解了梯度消失问题,加强了特征传播,鼓励特征重用,并大大减少了参数量
官方代码和预训练模型:https://github.com/liuzhuang13/DenseNet

image-20220823211920935

图 1:增长率为 k = 4 的 5 层密集块。每一层都将所有前面的特征图作为输入。

  在本文中,我们提出了一种架构,将这种见解提炼成一个简单的连接模式:为了确保网络中各层之间的最大信息流,我们将所有层(具有匹配的特征图大小)直接相互连接。为了保持前馈特性,每一层都从所有前面的层获得额外的输入,并将其自己的特征图传递给所有后续层。图 1 示意性地说明了这种布局。至关重要的是,与 ResNets 相比,我们在将特征传递到层之前从不通过求和来组合特征。相反,我们通过连接(Concatenate操作)它们来组合特征

  因此,第 ℓ 层有 ℓ 输入,由所有先前卷积块的特征图组成。它自己的特征图被传递到所有 L−ℓ 后续层。这在 L 层网络中引入了 L(L+1)2 个连接,而不是传统架构中的仅 L 个连接。由于其密集的连接模式,我们将我们的方法称为密集卷积网络(DenseNet)

  除了更好的参数效率外,DenseNets 的一大优势是它们改进了整个网络的信息流和梯度,这使得它们易于训练。每一层都可以直接访问损失函数和原始输入信号的梯度,从而实现隐式深度监督 [20]。这有助于训练更深层次的网络架构。此外,我们还观察到密集连接具有正则化效果,可以减少对较小训练集大小的任务的过度拟合。

当然,他自己的论文介绍中肯定要吹一波自己的模型很牛逼,可以理解。

2、DenseNet与ResNet的主要区别

  DenseNets 不是从极深或极宽的架构中汲取表征能力,而是通过特征重用利用网络的潜力,产生易于训练且参数效率高的浓缩模型。连接不同层学习的特征图增加了后续层输入的变化并提高了效率。这构成了 DenseNets 和 ResNets 之间的主要区别。与同样连接来自不同层的特征的 Inception 网络 相比,DenseNets 更简单、更高效。

3、DenseNets

  ==这部分是重点,因为论文后面所有的参数都是通过这部分得到的,仔细看下面加粗的部分,这就是后面代码中的超参数和网络结构搭建方法,重点中的重点,要不你都看不懂代码中参数是为什么那样写的。==

  考虑通过卷积网络传递的单个图像 x0。该网络由 L 层组成,每一层都实现了一个非线性变换 Hℓ(·),其中 ℓ 对层进行索引。 Hℓ(·) 可以是批量归一化 (BN) [14]、整流线性单元 (ReLU) [6]、池化 [19] 或卷积 (Conv) 等操作的复合函数。我们将第 ℓ 层的输出表示为 xℓ。

  传统的卷积前馈网络将第 ℓ 层的输出作为输入连接到第 (ℓ + 1) 层 [16],从而产生以下层转换:xℓ = Hℓ(xℓ−1)。

  ResNets [11] 添加了一个Skip Connection,可以绕过具有恒等函数的非线性变换:

$$ xℓ = Hℓ(xℓ−1) + xℓ−1. $$

3.1 ResNets

  ResNets 的一个优点是梯度可以直接通过恒等函数从后面的层流到前面的层。但是,恒等函数和 Hℓ 的输出是通过求和组合的,这可能会阻碍网络中的信息流。

3.2 Dense connectivity(密集连接)

  Dense connectivity,为了进一步改善层之间的信息流,我们提出了一种不同的连接模式:我们引入了从任何层到所有后续层的直接连接。图 1 示意性地说明了生成的 DenseNet 的布局。因此,第ℓ层接收所有前面层的特征图,x0,...。 . . , xℓ−1,作为输入:

$$ xℓ = Hℓ([x0, x1, . . . , xℓ−1]), $$

  其中 [x0, x1, . . . , xℓ−1] 是指在第 0 . . . , ℓ − 1层中生成的特征图的串联,。由于其密集的连接性,我们将此网络架构称为密集卷积网络(DenseNet)

3.3 Composite function(复合函数)

  我们将 Hℓ(·) 定义为三个连续操作的复合函数:批量归一化 (BN) ,然后是整流线性单元 (ReLU) 和 3 × 3 卷积 (Conv )

3.4 Pooling layers(池化层)

image-20220823212912595

  方程式(2)中使用的连接操作。 当特征图的大小发生变化时是不可行的。然而,卷积网络的一个重要部分是下采样层,它会改变特征图的大小。为了便于在我们的架构中进行下采样,我们将网络划分为多个密集连接的密集块;参见图 2。我们将块之间的层称为过渡层,它们进行卷积和池化。我们实验中使用的过渡层由一个批量归一化层和一个 1×1 卷积层和一个 2×2 平均池化层组成

3.5 Growth rate(增长率)

  如果每个函数 Hℓ 产生 k 个特征图,则第 ℓ 层有 k0 + k × (ℓ − 1) 个输入特征图,其中 k0 是输入层中的通道数。 DenseNet 与现有网络架构的一个重要区别是 DenseNet 可以有非常窄的层,例如 k = 12。我们将超参数 k 称为网络的增长率

3.6 Bottleneck layers(瓶颈层)

  尽管每一层只产生 k 个输出特征图,但它通常有更多的输入。在 [36, 11] 中已经注意到,可以在每个 3×3 卷积之前引入一个 1×1 卷积作为瓶颈层,以减少输入特征图的数量,从而提高计算效率。我们发现这种设计对 DenseNet 特别有效,我们将我们的网络称为具有这样一个瓶颈层的网络,即 Hℓ 的 BN-ReLU-Conv(1×1)-BN-ReLU-Conv(3×3) 版本,如DenseNet-B。在我们的实验中,我们让每个 1×1 卷积产生 4k 个特征图。

3.7 Compression(压缩)

  为了进一步提高模型的紧凑性,我们可以减少过渡层的特征图数量。如果一个密集块包含 m 个特征图,我们让下面的过渡层生成 ⌊θm⌋ 输出特征图,其中 0 < θ ≤ 1 称为压缩因子。当 θ = 1 时,跨过渡层的特征图数量保持不变。我们将 θ < 1 的 DenseNet 称为 DenseNet-C,我们在实验中设置 θ = 0.5。当同时使用 θ < 1 的瓶颈层和过渡层时,我们将我们的模型称为 DenseNet-BC。

3.8 Implementation Details(实施细节)

  在除 ImageNet 之外的所有数据集上,我们实验中使用的 DenseNet 具有三个密集块,每个块具有相同的层数。在进入第一个密集块之前,对输入图像执行具有 16 个(或 DenseNet-BC 增长率的两倍)输出通道的卷积对于内核大小为 3×3 的卷积层,输入的每一边都用一个像素补零,以保持特征图大小固定。我们使用 1×1 卷积和 2×2 平均池化作为两个连续密集块之间的过渡层在最后一个密集块结束时,执行全局平均池化,然后附加一个 softmax 分类器。三个密集块中的特征图大小分别为 32×32、16×16 和 8×8。我们用配置 {L = 40, k = 12}, {L = 100, k = 12} 和 {L = 100, k = 24} 来试验基本的 DenseNet 结构。对于 DenseNetBC,对配置为 {L = 100, k = 12},{L = 250, k = 24} 和 {L = 190, k = 40} 的网络进行评估。

L为网络层数,k为网络增长率。

  在 ImageNet 上的实验中,我们在 224×224 输入图像上使用具有 4 个密集块的 DenseNet-BC 结构。==初始卷积层包含 2k 个大小为 7×7 的卷积,步长为 2==;所有其他层中的特征图的数量也来自设置 k。

3.9 training

image-20220823213914806

  表 2:CIFAR 和 SVHN 数据集的错误率 (%)。 k 表示网络的增长率。超过所有竞争方法的结果为粗体,整体最佳结果为蓝色。 “+”表示标准数据增强。 ∗ 表示我们自己运行的结果。没有数据增强的 DenseNets 的所有结果(C10、C100、SVHN)都是使用 Dropout 获得的。 DenseNets 在使用比 ResNet 更少的参数的同时实现了更低的错误率。如果没有数据增强,DenseNet 的性能会大大提高。

image-20220823214203089

表 3:ImageNet 验证集上的前 1 和前 5 错误率,采用单裁剪(10 裁剪)测试。

image-20220823214315110

图 3:ImageNet 验证数据集上 DenseNets 和 ResNets top-1 错误率(单裁剪测试)的比较,作为学习参数(左)和测试期间 FLOP(右)的函数。

4、网络结构

image-20220823214539490

表 1:ImageNet 的 DenseNet 架构。前 3 个网络的增长率为 k = 32,对于 DenseNet-161,k = 48。请注意,==表中显示的每个“conv”层都对应于序列 BN-ReLU-Conv==。

5、DenseNet121代码复现

5.1 Dense Block

  Dense Block的每一个密集层:$BN+ReLU+1*1Conv+BN+ReLU+3*3Conv$

  每一层产生k个特征图,原论文中让每个1*1个卷积产生4k个特征图

  growth_rate:网络的增长率,原论文中超参数名称为k

  论文中对内核大小为3*3的卷积层,输入的每一边都用一个像素补零,以保持特征图大小固定。(代码中设置padding='same'即可)

import tensorflow as tf
from tensorflow.keras.layers import Conv2D,BatchNormalization,Activation,ReLU
from tensorflow.keras.layers import Concatenate,AveragePooling2D,Input,ZeroPadding2D
from tensorflow.keras.layers import MaxPooling2D,GlobalAveragePooling2D,Dense
from tensorflow.keras.models import Model
from plot_model import plot_model
# Bottleneck layers
# BN+ReLU+1*1Conv+BN+ReLU+3*3Conv
# 每一层产生k个特征图,原论文中让每个1*1个卷积产生4k个特征图
# growth_rate:网络的增长率,原论文中超参数名称为k
def conv_block(x,growth_rate,name):
    x1=BatchNormalization(name=name+'_0_bn')(x)
    x1=ReLU(name=name+'_0_relu')(x1)
    x1=Conv2D(filters=4*growth_rate,
              kernel_size=(1,1),
              use_bias=False,
              name=name+'_1_conv')(x1)
    x1=BatchNormalization(name=name+'_1_bn')(x1)
    x1=ReLU(name=name+'_1_relu')(x1)
    # 论文原话:对内核大小为3*3的卷积层,输入的每一边都用一个像素补零,以保持特征图大小固定。
    x1=Conv2D(growth_rate,
              kernel_size=(3,3),
              padding='same',
              use_bias=False,
              name=name+'_2_conv')(x1)
    # 将前面所有层的特征堆叠后传到下一层
    out=Concatenate(axis=-1,name=name+'_concat')([x,x1])
    return out

'''
x: input tensor.
    blocks: integer, the number of building blocks.
    name: string, block label.
'''
# DenseNet
def dense_block(x,blocks,name):
    for i in range(blocks):
        x=conv_block(x,32,name=name+'_block'+str(i+1))
    return x

5.2 Transition Layer(过渡层)

  过渡层:$BN+1*1Conv+2*2AvgPool$

  reduction:压缩因子,原论文中名称为$\theta$,设置为0.5。

# 论文原话:使用1*1卷积和2*2平均池化作为两个连续密集块之间的过渡层
# 过渡层:BN+1*1Conv+2*2AvgPool
# reduction:压缩因子,原论文中设置为0.5
def transition_block(x,reduction,name):
    x=BatchNormalization(name=name+'_bn')(x)
    x=ReLU(name=name+'_relu')(x)
    x=Conv2D(filters=int(x.shape[-1]*reduction),
             kernel_size=(1,1),
             use_bias=False,
             name=name+'_conv')(x)
    x=AveragePooling2D(pool_size=(2,2),strides=2,name=name+'_pool')(x)
    return x

5.3 DensNet121网络骨干

  几种网络结构的参数设置如下:

DenseNet121(k=32):blocks=[6,12,24,16]
DenseNet169(k=32):blocks=[6,12,32,32]
DenseNet201(k=32):blocks=[6,12,48,32]
DenseNet161(k=48):blocks=[6,12,36,24]
def DenseNet(blocks,include_top=True,weights='imagenet',intput_shape=None,classes=1000):
    img_input=Input(shape=intput_shape)
    x=ZeroPadding2D(padding=((3,3),(3,3)))(img_input)
    # 论文原话:初始卷积层包含2k个大小为7*7的卷积,步长为2(k=32)
    # 其实这里完全可以去掉这两个ZeroPadding2D,直接给这里的卷积和池化设置padding='same'即可,
    # 但是我看谷歌的源码中没用same padding,所以这里我也没用。
    x=Conv2D(filters=64,kernel_size=(7,7),strides=2,use_bias=False,name='conv1/conv')(x)
    x=BatchNormalization(name='conv1/bn')(x)
    x=ReLU(name='conv1/relu')(x)
    x=ZeroPadding2D(padding=((1,1),(1,1)))(x)
    x=MaxPooling2D(pool_size=(3,3),strides=2,name='pool1')(x)

    x=dense_block(x,blocks[0],name='conv2')
    x=transition_block(x,0.5,name='pool2')

    x=dense_block(x,blocks[1],name='conv3')
    x=transition_block(x,0.5,name='pool3')

    x=dense_block(x,blocks[2],name='conv4')
    x=transition_block(x,0.5,name='pool4')

    x=dense_block(x,blocks[3],name='conv5')

    x=BatchNormalization(name='bn')(x)
    x=ReLU(name='relu')(x)
    x=GlobalAveragePooling2D(name='global_avg_pool')(x)
    x=Dense(classes,activation='softmax')(x)

    model=Model(img_input,x)
    return model

5.4 构建网络并查看结构

if __name__ == '__main__':
    densenet121=DenseNet(blocks=[6,12,24,16],intput_shape=(224,224,3))
    densenet121.summary()
    plot_model(densenet121,to_file='img/DenseNet121.png')
Model: "model"
__________________________________________________________________________________________________
Layer (type)                    Output Shape         Param #     Connected to                     
==================================================================================================
input_1 (InputLayer)            [(None, 224, 224, 3) 0                                            
__________________________________________________________________________________________________
zero_padding2d (ZeroPadding2D)  (None, 230, 230, 3)  0           input_1[0][0]                    
__________________________________________________________________________________________________
conv1/conv (Conv2D)             (None, 112, 112, 64) 9408        zero_padding2d[0][0]             
__________________________________________________________________________________________________
conv1/bn (BatchNormalization)   (None, 112, 112, 64) 256         conv1/conv[0][0]                 
__________________________________________________________________________________________________
conv1/relu (ReLU)               (None, 112, 112, 64) 0           conv1/bn[0][0]                   
__________________________________________________________________________________________________
zero_padding2d_1 (ZeroPadding2D (None, 114, 114, 64) 0           conv1/relu[0][0]                 
__________________________________________________________________________________________________
pool1 (MaxPooling2D)            (None, 56, 56, 64)   0           zero_padding2d_1[0][0]           
__________________________________________________________________________________________________
conv2_block1_0_bn (BatchNormali (None, 56, 56, 64)   256         pool1[0][0]                      
__________________________________________________________________________________________________
conv2_block1_0_relu (ReLU)      (None, 56, 56, 64)   0           conv2_block1_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block1_1_conv (Conv2D)    (None, 56, 56, 128)  8192        conv2_block1_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block1_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block1_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block1_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block1_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block1_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block1_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block1_concat (Concatenat (None, 56, 56, 96)   0           pool1[0][0]                      
                                                                 conv2_block1_2_conv[0][0]        
__________________________________________________________________________________________________
conv2_block2_0_bn (BatchNormali (None, 56, 56, 96)   384         conv2_block1_concat[0][0]        
__________________________________________________________________________________________________
conv2_block2_0_relu (ReLU)      (None, 56, 56, 96)   0           conv2_block2_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block2_1_conv (Conv2D)    (None, 56, 56, 128)  12288       conv2_block2_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block2_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block2_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block2_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block2_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block2_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block2_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block2_concat (Concatenat (None, 56, 56, 128)  0           conv2_block1_concat[0][0]        
                                                                 conv2_block2_2_conv[0][0]        
__________________________________________________________________________________________________
conv2_block3_0_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block2_concat[0][0]        
__________________________________________________________________________________________________
conv2_block3_0_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block3_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block3_1_conv (Conv2D)    (None, 56, 56, 128)  16384       conv2_block3_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block3_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block3_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block3_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block3_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block3_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block3_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block3_concat (Concatenat (None, 56, 56, 160)  0           conv2_block2_concat[0][0]        
                                                                 conv2_block3_2_conv[0][0]        
__________________________________________________________________________________________________
conv2_block4_0_bn (BatchNormali (None, 56, 56, 160)  640         conv2_block3_concat[0][0]        
__________________________________________________________________________________________________
conv2_block4_0_relu (ReLU)      (None, 56, 56, 160)  0           conv2_block4_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block4_1_conv (Conv2D)    (None, 56, 56, 128)  20480       conv2_block4_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block4_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block4_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block4_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block4_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block4_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block4_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block4_concat (Concatenat (None, 56, 56, 192)  0           conv2_block3_concat[0][0]        
                                                                 conv2_block4_2_conv[0][0]        
__________________________________________________________________________________________________
conv2_block5_0_bn (BatchNormali (None, 56, 56, 192)  768         conv2_block4_concat[0][0]        
__________________________________________________________________________________________________
conv2_block5_0_relu (ReLU)      (None, 56, 56, 192)  0           conv2_block5_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block5_1_conv (Conv2D)    (None, 56, 56, 128)  24576       conv2_block5_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block5_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block5_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block5_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block5_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block5_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block5_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block5_concat (Concatenat (None, 56, 56, 224)  0           conv2_block4_concat[0][0]        
                                                                 conv2_block5_2_conv[0][0]        
__________________________________________________________________________________________________
conv2_block6_0_bn (BatchNormali (None, 56, 56, 224)  896         conv2_block5_concat[0][0]        
__________________________________________________________________________________________________
conv2_block6_0_relu (ReLU)      (None, 56, 56, 224)  0           conv2_block6_0_bn[0][0]          
__________________________________________________________________________________________________
conv2_block6_1_conv (Conv2D)    (None, 56, 56, 128)  28672       conv2_block6_0_relu[0][0]        
__________________________________________________________________________________________________
conv2_block6_1_bn (BatchNormali (None, 56, 56, 128)  512         conv2_block6_1_conv[0][0]        
__________________________________________________________________________________________________
conv2_block6_1_relu (ReLU)      (None, 56, 56, 128)  0           conv2_block6_1_bn[0][0]          
__________________________________________________________________________________________________
conv2_block6_2_conv (Conv2D)    (None, 56, 56, 32)   36864       conv2_block6_1_relu[0][0]        
__________________________________________________________________________________________________
conv2_block6_concat (Concatenat (None, 56, 56, 256)  0           conv2_block5_concat[0][0]        
                                                                 conv2_block6_2_conv[0][0]        
__________________________________________________________________________________________________
pool2_bn (BatchNormalization)   (None, 56, 56, 256)  1024        conv2_block6_concat[0][0]        
__________________________________________________________________________________________________
pool2_relu (ReLU)               (None, 56, 56, 256)  0           pool2_bn[0][0]                   
__________________________________________________________________________________________________
pool2_conv (Conv2D)             (None, 56, 56, 128)  32768       pool2_relu[0][0]                 
__________________________________________________________________________________________________
pool2_pool (AveragePooling2D)   (None, 28, 28, 128)  0           pool2_conv[0][0]                 
__________________________________________________________________________________________________
conv3_block1_0_bn (BatchNormali (None, 28, 28, 128)  512         pool2_pool[0][0]                 
__________________________________________________________________________________________________
conv3_block1_0_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block1_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block1_1_conv (Conv2D)    (None, 28, 28, 128)  16384       conv3_block1_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block1_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block1_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block1_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block1_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block1_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block1_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block1_concat (Concatenat (None, 28, 28, 160)  0           pool2_pool[0][0]                 
                                                                 conv3_block1_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block2_0_bn (BatchNormali (None, 28, 28, 160)  640         conv3_block1_concat[0][0]        
__________________________________________________________________________________________________
conv3_block2_0_relu (ReLU)      (None, 28, 28, 160)  0           conv3_block2_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block2_1_conv (Conv2D)    (None, 28, 28, 128)  20480       conv3_block2_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block2_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block2_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block2_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block2_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block2_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block2_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block2_concat (Concatenat (None, 28, 28, 192)  0           conv3_block1_concat[0][0]        
                                                                 conv3_block2_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block3_0_bn (BatchNormali (None, 28, 28, 192)  768         conv3_block2_concat[0][0]        
__________________________________________________________________________________________________
conv3_block3_0_relu (ReLU)      (None, 28, 28, 192)  0           conv3_block3_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block3_1_conv (Conv2D)    (None, 28, 28, 128)  24576       conv3_block3_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block3_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block3_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block3_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block3_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block3_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block3_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block3_concat (Concatenat (None, 28, 28, 224)  0           conv3_block2_concat[0][0]        
                                                                 conv3_block3_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block4_0_bn (BatchNormali (None, 28, 28, 224)  896         conv3_block3_concat[0][0]        
__________________________________________________________________________________________________
conv3_block4_0_relu (ReLU)      (None, 28, 28, 224)  0           conv3_block4_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block4_1_conv (Conv2D)    (None, 28, 28, 128)  28672       conv3_block4_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block4_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block4_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block4_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block4_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block4_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block4_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block4_concat (Concatenat (None, 28, 28, 256)  0           conv3_block3_concat[0][0]        
                                                                 conv3_block4_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block5_0_bn (BatchNormali (None, 28, 28, 256)  1024        conv3_block4_concat[0][0]        
__________________________________________________________________________________________________
conv3_block5_0_relu (ReLU)      (None, 28, 28, 256)  0           conv3_block5_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block5_1_conv (Conv2D)    (None, 28, 28, 128)  32768       conv3_block5_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block5_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block5_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block5_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block5_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block5_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block5_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block5_concat (Concatenat (None, 28, 28, 288)  0           conv3_block4_concat[0][0]        
                                                                 conv3_block5_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block6_0_bn (BatchNormali (None, 28, 28, 288)  1152        conv3_block5_concat[0][0]        
__________________________________________________________________________________________________
conv3_block6_0_relu (ReLU)      (None, 28, 28, 288)  0           conv3_block6_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block6_1_conv (Conv2D)    (None, 28, 28, 128)  36864       conv3_block6_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block6_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block6_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block6_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block6_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block6_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block6_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block6_concat (Concatenat (None, 28, 28, 320)  0           conv3_block5_concat[0][0]        
                                                                 conv3_block6_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block7_0_bn (BatchNormali (None, 28, 28, 320)  1280        conv3_block6_concat[0][0]        
__________________________________________________________________________________________________
conv3_block7_0_relu (ReLU)      (None, 28, 28, 320)  0           conv3_block7_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block7_1_conv (Conv2D)    (None, 28, 28, 128)  40960       conv3_block7_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block7_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block7_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block7_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block7_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block7_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block7_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block7_concat (Concatenat (None, 28, 28, 352)  0           conv3_block6_concat[0][0]        
                                                                 conv3_block7_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block8_0_bn (BatchNormali (None, 28, 28, 352)  1408        conv3_block7_concat[0][0]        
__________________________________________________________________________________________________
conv3_block8_0_relu (ReLU)      (None, 28, 28, 352)  0           conv3_block8_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block8_1_conv (Conv2D)    (None, 28, 28, 128)  45056       conv3_block8_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block8_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block8_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block8_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block8_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block8_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block8_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block8_concat (Concatenat (None, 28, 28, 384)  0           conv3_block7_concat[0][0]        
                                                                 conv3_block8_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block9_0_bn (BatchNormali (None, 28, 28, 384)  1536        conv3_block8_concat[0][0]        
__________________________________________________________________________________________________
conv3_block9_0_relu (ReLU)      (None, 28, 28, 384)  0           conv3_block9_0_bn[0][0]          
__________________________________________________________________________________________________
conv3_block9_1_conv (Conv2D)    (None, 28, 28, 128)  49152       conv3_block9_0_relu[0][0]        
__________________________________________________________________________________________________
conv3_block9_1_bn (BatchNormali (None, 28, 28, 128)  512         conv3_block9_1_conv[0][0]        
__________________________________________________________________________________________________
conv3_block9_1_relu (ReLU)      (None, 28, 28, 128)  0           conv3_block9_1_bn[0][0]          
__________________________________________________________________________________________________
conv3_block9_2_conv (Conv2D)    (None, 28, 28, 32)   36864       conv3_block9_1_relu[0][0]        
__________________________________________________________________________________________________
conv3_block9_concat (Concatenat (None, 28, 28, 416)  0           conv3_block8_concat[0][0]        
                                                                 conv3_block9_2_conv[0][0]        
__________________________________________________________________________________________________
conv3_block10_0_bn (BatchNormal (None, 28, 28, 416)  1664        conv3_block9_concat[0][0]        
__________________________________________________________________________________________________
conv3_block10_0_relu (ReLU)     (None, 28, 28, 416)  0           conv3_block10_0_bn[0][0]         
__________________________________________________________________________________________________
conv3_block10_1_conv (Conv2D)   (None, 28, 28, 128)  53248       conv3_block10_0_relu[0][0]       
__________________________________________________________________________________________________
conv3_block10_1_bn (BatchNormal (None, 28, 28, 128)  512         conv3_block10_1_conv[0][0]       
__________________________________________________________________________________________________
conv3_block10_1_relu (ReLU)     (None, 28, 28, 128)  0           conv3_block10_1_bn[0][0]         
__________________________________________________________________________________________________
conv3_block10_2_conv (Conv2D)   (None, 28, 28, 32)   36864       conv3_block10_1_relu[0][0]       
__________________________________________________________________________________________________
conv3_block10_concat (Concatena (None, 28, 28, 448)  0           conv3_block9_concat[0][0]        
                                                                 conv3_block10_2_conv[0][0]       
__________________________________________________________________________________________________
conv3_block11_0_bn (BatchNormal (None, 28, 28, 448)  1792        conv3_block10_concat[0][0]       
__________________________________________________________________________________________________
conv3_block11_0_relu (ReLU)     (None, 28, 28, 448)  0           conv3_block11_0_bn[0][0]         
__________________________________________________________________________________________________
conv3_block11_1_conv (Conv2D)   (None, 28, 28, 128)  57344       conv3_block11_0_relu[0][0]       
__________________________________________________________________________________________________
conv3_block11_1_bn (BatchNormal (None, 28, 28, 128)  512         conv3_block11_1_conv[0][0]       
__________________________________________________________________________________________________
conv3_block11_1_relu (ReLU)     (None, 28, 28, 128)  0           conv3_block11_1_bn[0][0]         
__________________________________________________________________________________________________
conv3_block11_2_conv (Conv2D)   (None, 28, 28, 32)   36864       conv3_block11_1_relu[0][0]       
__________________________________________________________________________________________________
conv3_block11_concat (Concatena (None, 28, 28, 480)  0           conv3_block10_concat[0][0]       
                                                                 conv3_block11_2_conv[0][0]       
__________________________________________________________________________________________________
conv3_block12_0_bn (BatchNormal (None, 28, 28, 480)  1920        conv3_block11_concat[0][0]       
__________________________________________________________________________________________________
conv3_block12_0_relu (ReLU)     (None, 28, 28, 480)  0           conv3_block12_0_bn[0][0]         
__________________________________________________________________________________________________
conv3_block12_1_conv (Conv2D)   (None, 28, 28, 128)  61440       conv3_block12_0_relu[0][0]       
__________________________________________________________________________________________________
conv3_block12_1_bn (BatchNormal (None, 28, 28, 128)  512         conv3_block12_1_conv[0][0]       
__________________________________________________________________________________________________
conv3_block12_1_relu (ReLU)     (None, 28, 28, 128)  0           conv3_block12_1_bn[0][0]         
__________________________________________________________________________________________________
conv3_block12_2_conv (Conv2D)   (None, 28, 28, 32)   36864       conv3_block12_1_relu[0][0]       
__________________________________________________________________________________________________
conv3_block12_concat (Concatena (None, 28, 28, 512)  0           conv3_block11_concat[0][0]       
                                                                 conv3_block12_2_conv[0][0]       
__________________________________________________________________________________________________
pool3_bn (BatchNormalization)   (None, 28, 28, 512)  2048        conv3_block12_concat[0][0]       
__________________________________________________________________________________________________
pool3_relu (ReLU)               (None, 28, 28, 512)  0           pool3_bn[0][0]                   
__________________________________________________________________________________________________
pool3_conv (Conv2D)             (None, 28, 28, 256)  131072      pool3_relu[0][0]                 
__________________________________________________________________________________________________
pool3_pool (AveragePooling2D)   (None, 14, 14, 256)  0           pool3_conv[0][0]                 
__________________________________________________________________________________________________
conv4_block1_0_bn (BatchNormali (None, 14, 14, 256)  1024        pool3_pool[0][0]                 
__________________________________________________________________________________________________
conv4_block1_0_relu (ReLU)      (None, 14, 14, 256)  0           conv4_block1_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block1_1_conv (Conv2D)    (None, 14, 14, 128)  32768       conv4_block1_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block1_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block1_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block1_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block1_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block1_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block1_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block1_concat (Concatenat (None, 14, 14, 288)  0           pool3_pool[0][0]                 
                                                                 conv4_block1_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block2_0_bn (BatchNormali (None, 14, 14, 288)  1152        conv4_block1_concat[0][0]        
__________________________________________________________________________________________________
conv4_block2_0_relu (ReLU)      (None, 14, 14, 288)  0           conv4_block2_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block2_1_conv (Conv2D)    (None, 14, 14, 128)  36864       conv4_block2_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block2_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block2_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block2_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block2_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block2_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block2_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block2_concat (Concatenat (None, 14, 14, 320)  0           conv4_block1_concat[0][0]        
                                                                 conv4_block2_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block3_0_bn (BatchNormali (None, 14, 14, 320)  1280        conv4_block2_concat[0][0]        
__________________________________________________________________________________________________
conv4_block3_0_relu (ReLU)      (None, 14, 14, 320)  0           conv4_block3_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block3_1_conv (Conv2D)    (None, 14, 14, 128)  40960       conv4_block3_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block3_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block3_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block3_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block3_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block3_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block3_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block3_concat (Concatenat (None, 14, 14, 352)  0           conv4_block2_concat[0][0]        
                                                                 conv4_block3_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block4_0_bn (BatchNormali (None, 14, 14, 352)  1408        conv4_block3_concat[0][0]        
__________________________________________________________________________________________________
conv4_block4_0_relu (ReLU)      (None, 14, 14, 352)  0           conv4_block4_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block4_1_conv (Conv2D)    (None, 14, 14, 128)  45056       conv4_block4_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block4_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block4_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block4_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block4_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block4_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block4_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block4_concat (Concatenat (None, 14, 14, 384)  0           conv4_block3_concat[0][0]        
                                                                 conv4_block4_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block5_0_bn (BatchNormali (None, 14, 14, 384)  1536        conv4_block4_concat[0][0]        
__________________________________________________________________________________________________
conv4_block5_0_relu (ReLU)      (None, 14, 14, 384)  0           conv4_block5_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block5_1_conv (Conv2D)    (None, 14, 14, 128)  49152       conv4_block5_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block5_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block5_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block5_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block5_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block5_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block5_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block5_concat (Concatenat (None, 14, 14, 416)  0           conv4_block4_concat[0][0]        
                                                                 conv4_block5_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block6_0_bn (BatchNormali (None, 14, 14, 416)  1664        conv4_block5_concat[0][0]        
__________________________________________________________________________________________________
conv4_block6_0_relu (ReLU)      (None, 14, 14, 416)  0           conv4_block6_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block6_1_conv (Conv2D)    (None, 14, 14, 128)  53248       conv4_block6_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block6_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block6_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block6_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block6_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block6_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block6_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block6_concat (Concatenat (None, 14, 14, 448)  0           conv4_block5_concat[0][0]        
                                                                 conv4_block6_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block7_0_bn (BatchNormali (None, 14, 14, 448)  1792        conv4_block6_concat[0][0]        
__________________________________________________________________________________________________
conv4_block7_0_relu (ReLU)      (None, 14, 14, 448)  0           conv4_block7_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block7_1_conv (Conv2D)    (None, 14, 14, 128)  57344       conv4_block7_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block7_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block7_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block7_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block7_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block7_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block7_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block7_concat (Concatenat (None, 14, 14, 480)  0           conv4_block6_concat[0][0]        
                                                                 conv4_block7_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block8_0_bn (BatchNormali (None, 14, 14, 480)  1920        conv4_block7_concat[0][0]        
__________________________________________________________________________________________________
conv4_block8_0_relu (ReLU)      (None, 14, 14, 480)  0           conv4_block8_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block8_1_conv (Conv2D)    (None, 14, 14, 128)  61440       conv4_block8_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block8_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block8_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block8_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block8_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block8_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block8_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block8_concat (Concatenat (None, 14, 14, 512)  0           conv4_block7_concat[0][0]        
                                                                 conv4_block8_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block9_0_bn (BatchNormali (None, 14, 14, 512)  2048        conv4_block8_concat[0][0]        
__________________________________________________________________________________________________
conv4_block9_0_relu (ReLU)      (None, 14, 14, 512)  0           conv4_block9_0_bn[0][0]          
__________________________________________________________________________________________________
conv4_block9_1_conv (Conv2D)    (None, 14, 14, 128)  65536       conv4_block9_0_relu[0][0]        
__________________________________________________________________________________________________
conv4_block9_1_bn (BatchNormali (None, 14, 14, 128)  512         conv4_block9_1_conv[0][0]        
__________________________________________________________________________________________________
conv4_block9_1_relu (ReLU)      (None, 14, 14, 128)  0           conv4_block9_1_bn[0][0]          
__________________________________________________________________________________________________
conv4_block9_2_conv (Conv2D)    (None, 14, 14, 32)   36864       conv4_block9_1_relu[0][0]        
__________________________________________________________________________________________________
conv4_block9_concat (Concatenat (None, 14, 14, 544)  0           conv4_block8_concat[0][0]        
                                                                 conv4_block9_2_conv[0][0]        
__________________________________________________________________________________________________
conv4_block10_0_bn (BatchNormal (None, 14, 14, 544)  2176        conv4_block9_concat[0][0]        
__________________________________________________________________________________________________
conv4_block10_0_relu (ReLU)     (None, 14, 14, 544)  0           conv4_block10_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block10_1_conv (Conv2D)   (None, 14, 14, 128)  69632       conv4_block10_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block10_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block10_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block10_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block10_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block10_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block10_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block10_concat (Concatena (None, 14, 14, 576)  0           conv4_block9_concat[0][0]        
                                                                 conv4_block10_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block11_0_bn (BatchNormal (None, 14, 14, 576)  2304        conv4_block10_concat[0][0]       
__________________________________________________________________________________________________
conv4_block11_0_relu (ReLU)     (None, 14, 14, 576)  0           conv4_block11_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block11_1_conv (Conv2D)   (None, 14, 14, 128)  73728       conv4_block11_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block11_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block11_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block11_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block11_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block11_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block11_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block11_concat (Concatena (None, 14, 14, 608)  0           conv4_block10_concat[0][0]       
                                                                 conv4_block11_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block12_0_bn (BatchNormal (None, 14, 14, 608)  2432        conv4_block11_concat[0][0]       
__________________________________________________________________________________________________
conv4_block12_0_relu (ReLU)     (None, 14, 14, 608)  0           conv4_block12_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block12_1_conv (Conv2D)   (None, 14, 14, 128)  77824       conv4_block12_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block12_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block12_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block12_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block12_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block12_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block12_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block12_concat (Concatena (None, 14, 14, 640)  0           conv4_block11_concat[0][0]       
                                                                 conv4_block12_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block13_0_bn (BatchNormal (None, 14, 14, 640)  2560        conv4_block12_concat[0][0]       
__________________________________________________________________________________________________
conv4_block13_0_relu (ReLU)     (None, 14, 14, 640)  0           conv4_block13_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block13_1_conv (Conv2D)   (None, 14, 14, 128)  81920       conv4_block13_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block13_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block13_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block13_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block13_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block13_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block13_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block13_concat (Concatena (None, 14, 14, 672)  0           conv4_block12_concat[0][0]       
                                                                 conv4_block13_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block14_0_bn (BatchNormal (None, 14, 14, 672)  2688        conv4_block13_concat[0][0]       
__________________________________________________________________________________________________
conv4_block14_0_relu (ReLU)     (None, 14, 14, 672)  0           conv4_block14_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block14_1_conv (Conv2D)   (None, 14, 14, 128)  86016       conv4_block14_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block14_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block14_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block14_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block14_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block14_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block14_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block14_concat (Concatena (None, 14, 14, 704)  0           conv4_block13_concat[0][0]       
                                                                 conv4_block14_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block15_0_bn (BatchNormal (None, 14, 14, 704)  2816        conv4_block14_concat[0][0]       
__________________________________________________________________________________________________
conv4_block15_0_relu (ReLU)     (None, 14, 14, 704)  0           conv4_block15_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block15_1_conv (Conv2D)   (None, 14, 14, 128)  90112       conv4_block15_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block15_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block15_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block15_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block15_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block15_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block15_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block15_concat (Concatena (None, 14, 14, 736)  0           conv4_block14_concat[0][0]       
                                                                 conv4_block15_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block16_0_bn (BatchNormal (None, 14, 14, 736)  2944        conv4_block15_concat[0][0]       
__________________________________________________________________________________________________
conv4_block16_0_relu (ReLU)     (None, 14, 14, 736)  0           conv4_block16_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block16_1_conv (Conv2D)   (None, 14, 14, 128)  94208       conv4_block16_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block16_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block16_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block16_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block16_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block16_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block16_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block16_concat (Concatena (None, 14, 14, 768)  0           conv4_block15_concat[0][0]       
                                                                 conv4_block16_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block17_0_bn (BatchNormal (None, 14, 14, 768)  3072        conv4_block16_concat[0][0]       
__________________________________________________________________________________________________
conv4_block17_0_relu (ReLU)     (None, 14, 14, 768)  0           conv4_block17_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block17_1_conv (Conv2D)   (None, 14, 14, 128)  98304       conv4_block17_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block17_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block17_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block17_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block17_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block17_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block17_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block17_concat (Concatena (None, 14, 14, 800)  0           conv4_block16_concat[0][0]       
                                                                 conv4_block17_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block18_0_bn (BatchNormal (None, 14, 14, 800)  3200        conv4_block17_concat[0][0]       
__________________________________________________________________________________________________
conv4_block18_0_relu (ReLU)     (None, 14, 14, 800)  0           conv4_block18_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block18_1_conv (Conv2D)   (None, 14, 14, 128)  102400      conv4_block18_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block18_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block18_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block18_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block18_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block18_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block18_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block18_concat (Concatena (None, 14, 14, 832)  0           conv4_block17_concat[0][0]       
                                                                 conv4_block18_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block19_0_bn (BatchNormal (None, 14, 14, 832)  3328        conv4_block18_concat[0][0]       
__________________________________________________________________________________________________
conv4_block19_0_relu (ReLU)     (None, 14, 14, 832)  0           conv4_block19_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block19_1_conv (Conv2D)   (None, 14, 14, 128)  106496      conv4_block19_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block19_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block19_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block19_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block19_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block19_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block19_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block19_concat (Concatena (None, 14, 14, 864)  0           conv4_block18_concat[0][0]       
                                                                 conv4_block19_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block20_0_bn (BatchNormal (None, 14, 14, 864)  3456        conv4_block19_concat[0][0]       
__________________________________________________________________________________________________
conv4_block20_0_relu (ReLU)     (None, 14, 14, 864)  0           conv4_block20_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block20_1_conv (Conv2D)   (None, 14, 14, 128)  110592      conv4_block20_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block20_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block20_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block20_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block20_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block20_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block20_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block20_concat (Concatena (None, 14, 14, 896)  0           conv4_block19_concat[0][0]       
                                                                 conv4_block20_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block21_0_bn (BatchNormal (None, 14, 14, 896)  3584        conv4_block20_concat[0][0]       
__________________________________________________________________________________________________
conv4_block21_0_relu (ReLU)     (None, 14, 14, 896)  0           conv4_block21_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block21_1_conv (Conv2D)   (None, 14, 14, 128)  114688      conv4_block21_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block21_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block21_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block21_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block21_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block21_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block21_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block21_concat (Concatena (None, 14, 14, 928)  0           conv4_block20_concat[0][0]       
                                                                 conv4_block21_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block22_0_bn (BatchNormal (None, 14, 14, 928)  3712        conv4_block21_concat[0][0]       
__________________________________________________________________________________________________
conv4_block22_0_relu (ReLU)     (None, 14, 14, 928)  0           conv4_block22_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block22_1_conv (Conv2D)   (None, 14, 14, 128)  118784      conv4_block22_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block22_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block22_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block22_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block22_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block22_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block22_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block22_concat (Concatena (None, 14, 14, 960)  0           conv4_block21_concat[0][0]       
                                                                 conv4_block22_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block23_0_bn (BatchNormal (None, 14, 14, 960)  3840        conv4_block22_concat[0][0]       
__________________________________________________________________________________________________
conv4_block23_0_relu (ReLU)     (None, 14, 14, 960)  0           conv4_block23_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block23_1_conv (Conv2D)   (None, 14, 14, 128)  122880      conv4_block23_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block23_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block23_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block23_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block23_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block23_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block23_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block23_concat (Concatena (None, 14, 14, 992)  0           conv4_block22_concat[0][0]       
                                                                 conv4_block23_2_conv[0][0]       
__________________________________________________________________________________________________
conv4_block24_0_bn (BatchNormal (None, 14, 14, 992)  3968        conv4_block23_concat[0][0]       
__________________________________________________________________________________________________
conv4_block24_0_relu (ReLU)     (None, 14, 14, 992)  0           conv4_block24_0_bn[0][0]         
__________________________________________________________________________________________________
conv4_block24_1_conv (Conv2D)   (None, 14, 14, 128)  126976      conv4_block24_0_relu[0][0]       
__________________________________________________________________________________________________
conv4_block24_1_bn (BatchNormal (None, 14, 14, 128)  512         conv4_block24_1_conv[0][0]       
__________________________________________________________________________________________________
conv4_block24_1_relu (ReLU)     (None, 14, 14, 128)  0           conv4_block24_1_bn[0][0]         
__________________________________________________________________________________________________
conv4_block24_2_conv (Conv2D)   (None, 14, 14, 32)   36864       conv4_block24_1_relu[0][0]       
__________________________________________________________________________________________________
conv4_block24_concat (Concatena (None, 14, 14, 1024) 0           conv4_block23_concat[0][0]       
                                                                 conv4_block24_2_conv[0][0]       
__________________________________________________________________________________________________
pool4_bn (BatchNormalization)   (None, 14, 14, 1024) 4096        conv4_block24_concat[0][0]       
__________________________________________________________________________________________________
pool4_relu (ReLU)               (None, 14, 14, 1024) 0           pool4_bn[0][0]                   
__________________________________________________________________________________________________
pool4_conv (Conv2D)             (None, 14, 14, 512)  524288      pool4_relu[0][0]                 
__________________________________________________________________________________________________
pool4_pool (AveragePooling2D)   (None, 7, 7, 512)    0           pool4_conv[0][0]                 
__________________________________________________________________________________________________
conv5_block1_0_bn (BatchNormali (None, 7, 7, 512)    2048        pool4_pool[0][0]                 
__________________________________________________________________________________________________
conv5_block1_0_relu (ReLU)      (None, 7, 7, 512)    0           conv5_block1_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block1_1_conv (Conv2D)    (None, 7, 7, 128)    65536       conv5_block1_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block1_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block1_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block1_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block1_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block1_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block1_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block1_concat (Concatenat (None, 7, 7, 544)    0           pool4_pool[0][0]                 
                                                                 conv5_block1_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block2_0_bn (BatchNormali (None, 7, 7, 544)    2176        conv5_block1_concat[0][0]        
__________________________________________________________________________________________________
conv5_block2_0_relu (ReLU)      (None, 7, 7, 544)    0           conv5_block2_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block2_1_conv (Conv2D)    (None, 7, 7, 128)    69632       conv5_block2_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block2_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block2_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block2_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block2_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block2_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block2_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block2_concat (Concatenat (None, 7, 7, 576)    0           conv5_block1_concat[0][0]        
                                                                 conv5_block2_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block3_0_bn (BatchNormali (None, 7, 7, 576)    2304        conv5_block2_concat[0][0]        
__________________________________________________________________________________________________
conv5_block3_0_relu (ReLU)      (None, 7, 7, 576)    0           conv5_block3_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block3_1_conv (Conv2D)    (None, 7, 7, 128)    73728       conv5_block3_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block3_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block3_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block3_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block3_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block3_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block3_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block3_concat (Concatenat (None, 7, 7, 608)    0           conv5_block2_concat[0][0]        
                                                                 conv5_block3_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block4_0_bn (BatchNormali (None, 7, 7, 608)    2432        conv5_block3_concat[0][0]        
__________________________________________________________________________________________________
conv5_block4_0_relu (ReLU)      (None, 7, 7, 608)    0           conv5_block4_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block4_1_conv (Conv2D)    (None, 7, 7, 128)    77824       conv5_block4_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block4_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block4_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block4_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block4_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block4_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block4_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block4_concat (Concatenat (None, 7, 7, 640)    0           conv5_block3_concat[0][0]        
                                                                 conv5_block4_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block5_0_bn (BatchNormali (None, 7, 7, 640)    2560        conv5_block4_concat[0][0]        
__________________________________________________________________________________________________
conv5_block5_0_relu (ReLU)      (None, 7, 7, 640)    0           conv5_block5_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block5_1_conv (Conv2D)    (None, 7, 7, 128)    81920       conv5_block5_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block5_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block5_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block5_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block5_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block5_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block5_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block5_concat (Concatenat (None, 7, 7, 672)    0           conv5_block4_concat[0][0]        
                                                                 conv5_block5_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block6_0_bn (BatchNormali (None, 7, 7, 672)    2688        conv5_block5_concat[0][0]        
__________________________________________________________________________________________________
conv5_block6_0_relu (ReLU)      (None, 7, 7, 672)    0           conv5_block6_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block6_1_conv (Conv2D)    (None, 7, 7, 128)    86016       conv5_block6_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block6_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block6_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block6_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block6_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block6_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block6_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block6_concat (Concatenat (None, 7, 7, 704)    0           conv5_block5_concat[0][0]        
                                                                 conv5_block6_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block7_0_bn (BatchNormali (None, 7, 7, 704)    2816        conv5_block6_concat[0][0]        
__________________________________________________________________________________________________
conv5_block7_0_relu (ReLU)      (None, 7, 7, 704)    0           conv5_block7_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block7_1_conv (Conv2D)    (None, 7, 7, 128)    90112       conv5_block7_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block7_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block7_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block7_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block7_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block7_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block7_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block7_concat (Concatenat (None, 7, 7, 736)    0           conv5_block6_concat[0][0]        
                                                                 conv5_block7_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block8_0_bn (BatchNormali (None, 7, 7, 736)    2944        conv5_block7_concat[0][0]        
__________________________________________________________________________________________________
conv5_block8_0_relu (ReLU)      (None, 7, 7, 736)    0           conv5_block8_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block8_1_conv (Conv2D)    (None, 7, 7, 128)    94208       conv5_block8_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block8_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block8_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block8_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block8_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block8_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block8_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block8_concat (Concatenat (None, 7, 7, 768)    0           conv5_block7_concat[0][0]        
                                                                 conv5_block8_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block9_0_bn (BatchNormali (None, 7, 7, 768)    3072        conv5_block8_concat[0][0]        
__________________________________________________________________________________________________
conv5_block9_0_relu (ReLU)      (None, 7, 7, 768)    0           conv5_block9_0_bn[0][0]          
__________________________________________________________________________________________________
conv5_block9_1_conv (Conv2D)    (None, 7, 7, 128)    98304       conv5_block9_0_relu[0][0]        
__________________________________________________________________________________________________
conv5_block9_1_bn (BatchNormali (None, 7, 7, 128)    512         conv5_block9_1_conv[0][0]        
__________________________________________________________________________________________________
conv5_block9_1_relu (ReLU)      (None, 7, 7, 128)    0           conv5_block9_1_bn[0][0]          
__________________________________________________________________________________________________
conv5_block9_2_conv (Conv2D)    (None, 7, 7, 32)     36864       conv5_block9_1_relu[0][0]        
__________________________________________________________________________________________________
conv5_block9_concat (Concatenat (None, 7, 7, 800)    0           conv5_block8_concat[0][0]        
                                                                 conv5_block9_2_conv[0][0]        
__________________________________________________________________________________________________
conv5_block10_0_bn (BatchNormal (None, 7, 7, 800)    3200        conv5_block9_concat[0][0]        
__________________________________________________________________________________________________
conv5_block10_0_relu (ReLU)     (None, 7, 7, 800)    0           conv5_block10_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block10_1_conv (Conv2D)   (None, 7, 7, 128)    102400      conv5_block10_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block10_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block10_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block10_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block10_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block10_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block10_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block10_concat (Concatena (None, 7, 7, 832)    0           conv5_block9_concat[0][0]        
                                                                 conv5_block10_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block11_0_bn (BatchNormal (None, 7, 7, 832)    3328        conv5_block10_concat[0][0]       
__________________________________________________________________________________________________
conv5_block11_0_relu (ReLU)     (None, 7, 7, 832)    0           conv5_block11_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block11_1_conv (Conv2D)   (None, 7, 7, 128)    106496      conv5_block11_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block11_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block11_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block11_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block11_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block11_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block11_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block11_concat (Concatena (None, 7, 7, 864)    0           conv5_block10_concat[0][0]       
                                                                 conv5_block11_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block12_0_bn (BatchNormal (None, 7, 7, 864)    3456        conv5_block11_concat[0][0]       
__________________________________________________________________________________________________
conv5_block12_0_relu (ReLU)     (None, 7, 7, 864)    0           conv5_block12_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block12_1_conv (Conv2D)   (None, 7, 7, 128)    110592      conv5_block12_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block12_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block12_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block12_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block12_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block12_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block12_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block12_concat (Concatena (None, 7, 7, 896)    0           conv5_block11_concat[0][0]       
                                                                 conv5_block12_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block13_0_bn (BatchNormal (None, 7, 7, 896)    3584        conv5_block12_concat[0][0]       
__________________________________________________________________________________________________
conv5_block13_0_relu (ReLU)     (None, 7, 7, 896)    0           conv5_block13_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block13_1_conv (Conv2D)   (None, 7, 7, 128)    114688      conv5_block13_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block13_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block13_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block13_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block13_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block13_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block13_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block13_concat (Concatena (None, 7, 7, 928)    0           conv5_block12_concat[0][0]       
                                                                 conv5_block13_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block14_0_bn (BatchNormal (None, 7, 7, 928)    3712        conv5_block13_concat[0][0]       
__________________________________________________________________________________________________
conv5_block14_0_relu (ReLU)     (None, 7, 7, 928)    0           conv5_block14_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block14_1_conv (Conv2D)   (None, 7, 7, 128)    118784      conv5_block14_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block14_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block14_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block14_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block14_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block14_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block14_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block14_concat (Concatena (None, 7, 7, 960)    0           conv5_block13_concat[0][0]       
                                                                 conv5_block14_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block15_0_bn (BatchNormal (None, 7, 7, 960)    3840        conv5_block14_concat[0][0]       
__________________________________________________________________________________________________
conv5_block15_0_relu (ReLU)     (None, 7, 7, 960)    0           conv5_block15_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block15_1_conv (Conv2D)   (None, 7, 7, 128)    122880      conv5_block15_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block15_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block15_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block15_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block15_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block15_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block15_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block15_concat (Concatena (None, 7, 7, 992)    0           conv5_block14_concat[0][0]       
                                                                 conv5_block15_2_conv[0][0]       
__________________________________________________________________________________________________
conv5_block16_0_bn (BatchNormal (None, 7, 7, 992)    3968        conv5_block15_concat[0][0]       
__________________________________________________________________________________________________
conv5_block16_0_relu (ReLU)     (None, 7, 7, 992)    0           conv5_block16_0_bn[0][0]         
__________________________________________________________________________________________________
conv5_block16_1_conv (Conv2D)   (None, 7, 7, 128)    126976      conv5_block16_0_relu[0][0]       
__________________________________________________________________________________________________
conv5_block16_1_bn (BatchNormal (None, 7, 7, 128)    512         conv5_block16_1_conv[0][0]       
__________________________________________________________________________________________________
conv5_block16_1_relu (ReLU)     (None, 7, 7, 128)    0           conv5_block16_1_bn[0][0]         
__________________________________________________________________________________________________
conv5_block16_2_conv (Conv2D)   (None, 7, 7, 32)     36864       conv5_block16_1_relu[0][0]       
__________________________________________________________________________________________________
conv5_block16_concat (Concatena (None, 7, 7, 1024)   0           conv5_block15_concat[0][0]       
                                                                 conv5_block16_2_conv[0][0]       
__________________________________________________________________________________________________
bn (BatchNormalization)         (None, 7, 7, 1024)   4096        conv5_block16_concat[0][0]       
__________________________________________________________________________________________________
relu (ReLU)                     (None, 7, 7, 1024)   0           bn[0][0]                         
__________________________________________________________________________________________________
global_avg_pool (GlobalAverageP (None, 1024)         0           relu[0][0]                       
__________________________________________________________________________________________________
dense (Dense)                   (None, 1000)         1025000     global_avg_pool[0][0]            
==================================================================================================
Total params: 8,062,504
Trainable params: 7,978,856
Non-trainable params: 83,648

image-20220823215431907

References

Huang G , Liu Z , Laurens V , et al. Densely Connected Convolutional Networks[C]// IEEE Computer Society. IEEE Computer Society, 2016.

Ioffe S , Szegedy C . Batch Normalization: Accelerating Deep Network Training by Reducing Internal Covariate Shift[C]// JMLR.org. JMLR.org, 2015.

X. Glorot, A. Bordes, and Y. Bengio. Deep sparse rectifier neural networks. In AISTATS, 2011. 3

https://github.com/liuzhuang13/DenseNet

https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/keras/applications/DenseNet121

https://github.com/tensorflow/tensorflow/blob/b36436b087bd8e8701ef51718179037cccdfc26e/tensorflow/python/keras/applications/densenet.py#L274

DenseNet 天气图片四分类(权重迁移学习),附Tensorflow完整代码

ResNet架构解析

  引用打的不全,翻译可能有点蹩脚,不过今天这个模型是对照着源码搭建的,以后还是尽量要看源码。

  还有一点就是搭建模型的时候最好把那个模型的论文看一下,要不很多给定的超参数你不知道为什么那样写,这些超参数论文中都是通过实验给出来的经验值,看过论文你就知道我在说什么了。

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