1.圖片讀入,彩色轉灰度
2.計算第一次高斯模糊
3.計算第二次高斯模糊
4.計算兩次高斯模糊的差
5.結果歸一化
Mat src, dst;
src = imread("D:\\001.jpg");
if (!src.data)
{
printf("could not load data···");
return -1;
}
char INPUT_WIN[] = "input image";
char OUTPUT_WIN[] = "output image";
namedWindow(INPUT_WIN, WINDOW_AUTOSIZE);
namedWindow(OUTPUT_WIN, WINDOW_AUTOSIZE);
imshow(INPUT_WIN, src);
//DOG 高斯不同
Mat gray_src, g1, g2, dogImg;
cvtColor(src, gray_src, COLOR_BGR2GRAY);
GaussianBlur(gray_src, g1, Size(7, 7), 0, 0);
GaussianBlur(g1, g2, Size(7, 7), 0, 0);
subtract(g1, g2,dogImg, Mat());
normalize(dogImg, dogImg, 255, 0, NORM_MINMAX);
imshow(OUTPUT_WIN, dogImg);