Mat kernel = (Mat_<char>(3, 3) << 0, -1, 0, -1, 5, -1, 0, -1, 0);
filter2D(img1, img2, img1.depth(), kernel);
转载于:https://www.cnblogs.com/herd/p/9680437.html
Mat kernel = (Mat_<char>(3, 3) << 0, -1, 0, -1, 5, -1, 0, -1, 0);
filter2D(img1, img2, img1.depth(), kernel);
转载于:https://www.cnblogs.com/herd/p/9680437.html