《学习opencv》第五章课后习题2

// 5-2.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include<opencv/cv.h> #include<opencv/highgui.h> int _tmain(int argc, _TCHAR* argv[]) { IplImage* img=cvCreateImage(cvSize(200,200),IPL_DEPTH_8U,1); IplImage* dst1=cvCreateImage(cvSize(200,200),IPL_DEPTH_8U,1); IplImage* dst2=cvCreateImage(cvSize(200,200),IPL_DEPTH_8U,1); IplImage* dst3=cvCreateImage(cvSize(200,200),IPL_DEPTH_8U,1); cvZero(img); /*int step = img->widthStep/sizeof(uchar); uchar* data = (uchar *)img->imageData; data[100*step+100] = 255;*/ cvSet2D(img,50,50,255); cvSmooth(img,dst1,CV_GAUSSIAN,5,0,0,0); cvSmooth(dst1,dst2,CV_GAUSSIAN,5,0,0,0); cvSmooth(img,dst3,CV_GAUSSIAN,9,0,0,0); cvNamedWindow("original",1); cvNamedWindow("1*5Result",1); cvNamedWindow("2*5Result",1); cvNamedWindow("1*9Result",1); cvShowImage("original",img); cvShowImage("1*5Result",dst1); cvShowImage("2*5Result",dst2); cvShowImage("1*9Result",dst3); cvWaitKey(0); cvDestroyAllWindows(); cvReleaseImage(&img); cvReleaseImage(&dst1); cvReleaseImage(&dst2); cvReleaseImage(&dst3); return 0; }