OpenCV五种平滑处理(模糊处理)

cvSmooth()函数原型：

CVAPI(void) cvSmooth( const CvArr* src, CvArr* dst,

                      double sigma2 CV_DEFAULT(0));

五种平滑操作类型

enum
{
    CV_BLUR_NO_SCALE =0,//简单模糊
    CV_BLUR  =1,//简单无缩放变换的模糊
    CV_GAUSSIAN  =2,//高斯模糊
    CV_MEDIAN =3,//中值模糊
    CV_BILATERAL =4//双边滤波
};

原图：img_in

#include <highgui.h>
#include<cv.h> 
using namespace std;

int main()
{
	IplImage *img_in = cvLoadImage("test.jpg",3);
	IplImage *img_out1 = cvCreateImage(cvSize(220,240),IPL_DEPTH_8U,3);
	IplImage *img_out2 = cvCreateImage(cvSize(220,240),IPL_DEPTH_16S,3);
	IplImage *img_out3 = cvCreateImage(cvSize(220,240),IPL_DEPTH_8U,3);
	IplImage *img_out4 = cvCreateImage(cvSize(220,240),IPL_DEPTH_8U,3);
	IplImage *img_out5 = cvCreateImage(cvSize(220,240),IPL_DEPTH_8U,3);

	cvNamedWindow("img_in",CV_WINDOW_AUTOSIZE);
	cvShowImage("img_in",img_in);

	cvSmooth(img_in,img_out1,CV_BLUR,3,0,0,0);
	cvSmooth(img_in,img_out2,CV_BLUR_NO_SCALE,3,0,0,0);
	cvSmooth(img_in,img_out3,CV_GAUSSIAN,3,0,0,0);
	cvSmooth(img_in,img_out4,CV_MEDIAN,3,0,10,10);
	cvSmooth(img_in,img_out5,CV_BILATERAL,3,0,10,10);

	cvNamedWindow("CV_BLUR",CV_WINDOW_AUTOSIZE);
	cvShowImage("CV_BLUR",img_out1);
	cvNamedWindow("CV_BLUR_NO_SCALE",CV_WINDOW_AUTOSIZE);
	cvShowImage("CV_BLUR_NO_SCALE",img_out2);
	cvNamedWindow("CV_GAUSSIAN",CV_WINDOW_AUTOSIZE);
	cvShowImage("CV_GAUSSIAN",img_out3);
	cvNamedWindow("CV_MEDIAN",CV_WINDOW_AUTOSIZE);
	cvShowImage("CV_MEDIAN",img_out4);
	cvNamedWindow("CV_BILATERAL",CV_WINDOW_AUTOSIZE);
	cvShowImage("CV_BILATERAL",img_out5);

	cvWaitKey(0);
	cvDestroyAllWindows();
	cvReleaseImage(&img_out1);
	cvReleaseImage(&img_out2);
	cvReleaseImage(&img_out3);
	cvReleaseImage(&img_out4);
	cvReleaseImage(&img_out5);

	return 0; 
}

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