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代码:
#include<cv.h> #include<highgui.h> int main(void) { cvNamedWindow("cmp"); IplImage *temp = cvLoadImage("sample.jpg");//载入 IplImage *src = cvCreateImage(CvSize(temp->width*0.5,temp->height*0.5), temp->depth,temp->nChannels);//缩放 cvResize(temp, src); IplImage *srctemp = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); IplImage *total = cvCreateImage(CvSize(src->width *5, src->height ), src->depth, src->nChannels); IplImage *open = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); IplImage *close = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); IplImage *gradient = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); IplImage *tophat = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); IplImage *blackhat = cvCreateImage(cvGetSize(src), src->depth, src->nChannels); cvZero(srctemp); cvZero(total); cvZero(open); cvZero(close); cvZero(gradient); cvZero(tophat); cvZero(blackhat); IplConvKernel *kernel = cvCreateStructuringElementEx(3,3,2,2,CV_SHAPE_ELLIPSE); cvMorphologyEx(src, open, srctemp, kernel, CV_MOP_OPEN); cvMorphologyEx(src, close, srctemp, kernel, CV_MOP_CLOSE); cvMorphologyEx(src, gradient, srctemp, kernel, CV_MOP_GRADIENT); cvZero(srctemp); cvMorphologyEx(src, tophat, srctemp, kernel, CV_MOP_TOPHAT); cvMorphologyEx(src, open, srctemp, kernel, CV_MOP_BLACKHAT); CvFont font; cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX, 1, 1, 2, 2, CV_AA); cvPutText(open, "open", CvPoint(20, 40), &font, CV_RGB(169, 55, 55)); cvPutText(close, "close", CvPoint(20, 40), &font, CV_RGB(169, 55, 55)); cvPutText(gradient, "gradient", CvPoint(20, 40), &font, CV_RGB(169, 55, 55)); cvPutText(tophat, "tophat", CvPoint(20, 40), &font, CV_RGB(169, 55, 55)); cvPutText(blackhat, "blackhat", CvPoint(20, 40), &font, CV_RGB(169, 55, 55)); int width = src->width; int height = src->height; cvSetImageROI(total, CvRect(0, 0, width, height)); cvCopy(open, total); cvResetImageROI(total); cvSetImageROI(total, CvRect(width, 0, width, height)); cvCopy(close, total); cvResetImageROI(total); cvSetImageROI(total, CvRect(width*2, 0, width, height)); cvCopy(gradient, total); cvResetImageROI(total); cvSetImageROI(total, CvRect(width * 3, 0, width, height)); cvCopy(tophat, total); cvResetImageROI(total); cvSetImageROI(total, CvRect(width * 4, 0, width, height)); cvCopy(blackhat, total); cvResetImageROI(total); cvShowImage("cmp", total); cvWaitKey(0); cvSaveImage("out.png", total); cvDestroyAllWindows(); cvReleaseImage(&temp); cvReleaseImage(&src); cvReleaseImage(&srctemp); cvReleaseImage(&total); cvReleaseImage(&open); cvReleaseImage(&close); cvReleaseImage(&gradient); cvReleaseImage(&tophat); cvReleaseImage(&blackhat); return 0; }
效果:
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原文地址:http://www.cnblogs.com/Blackops/p/5866891.html