;
Mat sobel_y;
Mat sobelImage;
Sobel(src, sobel_x,CV_16S,1,0,3,1,1,BORDER_DEFAULT);
convertScaleAbs...(sobel_x, sobel_x);
Sobel(src, sobel_y, CV_16S, 0, 1, 3, 1, 1, BORDER_DEFAULT);
convertScaleAbs...算子边缘检测
Mat laplacianImage;
Laplacian(src, laplacianImage, CV_16S, 3, 1, 0, BORDER_DEFAULT);
convertScaleAbs...Mat scharr_y;
Mat scharrImage;
Scharr(src, scharr_x, CV_16S, 1, 0, 1, 0, BORDER_DEFAULT);
convertScaleAbs...(scharr_x, scharr_x);
Scharr(src, scharr_y, CV_16S, 0, 1, 1, 0, BORDER_DEFAULT);
convertScaleAbs