阿里云新版人脸识别 Python 使用示例教程

简介: 前面分别介绍了新版人脸识别服务接口的开通、JAVA SDK对通用人脸识别通用方法的调用、C# SDK使用方法及1:N人脸识别接口的调用,可以参考阿里云人脸识别公测使用说明、阿里云人脸识别 1:N 使用简明示例及阿里云新版人脸识别 C# 使用示例教程,本文主要介绍如何使用Python程序调用阿里云新版人脸识别接口。

操作步骤

1、SDK安装:aliyun-python-sdk-core
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2、Code Sample

from aliyunsdkcore.client import AcsClient
from aliyunsdkcore.request import CommonRequest

# DefaultProfile.getProfile的参数分别是地域,access_key_id, access_key_secret
client = AcsClient("********", "********", "cn-shanghai")

# DetectFace API 人脸检测定位
def DetectFace(imageUrl_1:"待检测图片URL"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_action_name("DetectFace")
    request.set_version("2018-12-03")
    request.set_accept_format('json')
    request.add_body_params("ImageUrl", imageUrl_1)
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str) # 打印输出结果

# VerifyFace API 人脸对比
def VerifyFace(imageUrl_1:"待对比的图片URL_1", imageUrl_2:"待对比的图片URL_2"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_action_name("VerifyFace")
    request.set_version("2018-12-03")
    request.set_accept_format('json')
    request.add_body_params("ImageUrl1", imageUrl_1)
    request.add_body_params("ImageUrl2", imageUrl_2)
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str) # 打印输出结果

# GetFaceAttribute API 人脸属性识别
def GetFaceAttribute(imageUrl_1:"待检测图片URL"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_action_name("GetFaceAttribute")
    request.set_version("2018-12-03")
    request.set_accept_format('json') # 设置返回的结果
    request.add_body_params("ImageUrl", imageUrl_1)
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str) # 打印输出结果


# AddFace接口用于向人脸库中添加人脸
def AddFace(groupName:"添加人脸的分组", person:"添加人脸的姓名", image:"添加人脸的编号", imageUrl:"添加人脸图片的URL"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_version("2018-12-03")
    request.set_action_name("AddFace")
    request.add_body_params("Group", groupName)
    request.add_body_params("Person", person)
    request.add_body_params("Image", image)
    request.set_accept_format('json')  # 设置返回的结果
    request.add_body_params("ImageUrl", imageUrl)
    # request.putBodyParameter("Content", "/9j/4AAQSkZJRgABA...");  //检测图片的内容,Base64编码
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str)  # 打印输出结果


# DeleteFace接口用于从人脸库中删除人脸
def DeleteFace(groupName:"添加人脸的分组", person:"添加人脸的姓名", image:"添加人脸的编号"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_version("2018-12-03")
    request.set_action_name("DeleteFace")
    request.add_body_params("Group", groupName)
    request.add_body_params("Person", person)
    request.add_body_params("Image", image)
    request.set_accept_format('json')  # 设置返回的结果
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str)  # 打印输出结果


# ListFace接口用于列举注册库中的人脸
def ListFace(groupName:"需要查询的库"):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_version("2018-12-03")
    request.set_action_name("ListFace")
    request.add_body_params("Group", groupName)
    request.set_accept_format('json')  # 设置返回的结果
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str)  # 打印输出结果

# ListGroup接口用于列举人脸组
def ListGroup():
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_version("2018-12-03")
    request.set_action_name("ListGroup")
    request.set_accept_format('json')  # 设置返回的结果
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str)  # 打印输出结果

# RecognizeFace接口用于查找注册库中的人脸
def RecognizeFace(recognizeFaceImageUrl, groupName):
    request = CommonRequest()
    request.set_method("POST")
    request.set_domain("face.cn-shanghai.aliyuncs.com")
    request.set_version("2018-12-03")
    request.set_action_name("RecognizeFace")
    request.add_body_params("Group", groupName)
    request.add_body_params("ImageUrl", recognizeFaceImageUrl)
    request.set_accept_format('json')  # 设置返回的结果
    response = client.get_response(request)
    response_str = str(response[2], 'utf-8')  # bytes 转 string
    print(response_str)  # 打印输出结果

if __name__ == '__main__':
    groupName = "defaultPythonDemo2"
    person = "LiuYifei"
    image_1 = "photo1"
    image_2 = "photo2"
    imageUrl_1 = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1559655604341&di=3d6995f6dee1c4795d1827e754a00452&imgtype=0&src=http%3A%2F%2Fimg0.ph.126.net%2F90u9atgu46nnziAm1NMAGw%3D%3D%2F6631853916514183512.jpg"
    imageUrl_2 = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1559655604338&di=ee3d8fb39f6e14a21852a4ac3f2c5a14&imgtype=0&src=http%3A%2F%2Fc4.haibao.cn%2Fimg%2F600_0_100_0%2F1473652712.0005%2F87c7805c10e60e9a6db94f86d6014de8.jpg"
    recognizeFaceImageUrl = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1559655604335&di=7b540d703955aed6d235752589aee34a&imgtype=0&src=http%3A%2F%2Fphotocdn.sohu.com%2F20140317%2FImg396736687.jpg"

    print("基本功能测试:")
    DetectFace(imageUrl_1)
    GetFaceAttribute(imageUrl_1)
    VerifyFace(imageUrl_1, imageUrl_2)

    print("1:N人脸识别测试:")

    AddFace(groupName, person, image_1, imageUrl_1)
    AddFace(groupName, person, image_2, imageUrl_2)

    # 列举Group
    ListGroup()

    # 列举Faces
    ListFace(groupName)

    # 人脸查询
    RecognizeFace(recognizeFaceImageUrl, groupName)

    # 删除Face
    DeleteFace(groupName, person, image_1)

    # 列举Faces查询删除情况
    ListFace(groupName)

3、请求结果

基本功能测试:
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{"Data":{"rectA":[679,539,1172,1664],"err_msg":"","thresholds":[60.03,67.05,75.45],"rectB":[208,103,152,218],"request_id":"D9967938-7A93-43A8-94D5-B0F70D70FA0F","errno":0,"confidence":0.5912908},"RequestId":"D9967938-7A93-43A8-94D5-B0F70D70FA0F","Success":true}
1:N人脸识别测试:
{"Data":"ok","RequestId":"4AD38002-31F7-48B6-ABFB-E2F14DF44066","Success":true}
{"Data":"ok","RequestId":"45D0648B-1151-4540-816B-A724E234D985","Success":true}
{"Data":["default","default1","defaultPython","defaultPythonDemo1","defaultjs","defaultPythonDemo2"],"RequestId":"86C8360D-5471-465E-87B4-A8F4520E1D5B","Success":true}
{"Data":{"mark":0,"list":[{"person":"LiuYifei","image":"photo1"},{"person":"LiuYifei","image":"photo2"}]},"RequestId":"486670BE-7A91-464D-84A6-540CC894D2DF","Success":true}
{"Data":[{"person":"LiuYifei","score":0.65704226,"image":"photo2","rect":[146,131,132,179]}],"RequestId":"62A20CE6-DC1A-4180-B169-095791BC9331","Success":true}
{"Data":"ok","RequestId":"3D87C05F-70E2-4BAC-AB38-88BAA2DF5FC1","Success":true}
{"Data":{"mark":0,"list":[{"person":"LiuYifei","image":"photo2"}]},"RequestId":"8E3E138D-FEF8-4423-ABCF-EE73EC1FA98A","Success":true}
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