[OpenCV] 图像的几种滤波方式

#include < iostream>
#include <opencv/cv.h>
#include <opencv2/opencv.hpp>
using namespace std;
int main()
{
    string imName = "lena.jpg";
    cv::Mat im = cv::imread(imName);
    cv::imshow("原图",im);
    cv::Mat imGs = im.clone();
    int kSize = 21;
    cv::Mat outim;
    cv::blur(imGs, outim, cv::Size(kSize, kSize), cv::Point(-1,-1));//均值平滑滤波
    cv::imshow("blur", outim);
    cv::GaussianBlur(imGs, outim, cv::Size(kSize, kSize), 0, 0); //高斯滤波
    cv::imshow("gsblur", outim);
    cv::medianBlur(imGs, outim, kSize); //中值滤波
    cv::imshow("median", outim);
    cv::bilateralFilter(imGs, outim, kSize, kSize  2, kSize/2); //双变滤波
    cv::imshow("bilateral", outim);
    cout << imGs.type() << endl;
    IplImage inData = cvCreateImage(imGs.size(), 8, imGs.channels());
    IplImage outData = cvCreateImage(imGs.size(), 8, imGs.channels());
    inData = IplImage(imGs);
    cvSmooth(inData, outData, 4, 0);//双边滤波平滑
    cv::Mat o = cv::cvarrToMat(outData);
    cv::imshow("smooth", o);
    cv::waitKey(0);
    return 0;
}