Fliter2D

#include<iostream>#include<opencv2/highgui/highgui.hpp>//图像处理#include<opencv2/imgproc/imgproc.hpp>using namespace std;using namespace cv;Mat src, dst;int main(){src = imread("Jay.jpg");//垂直float vertical_fk[5][5] = {{ 0, 0, 0, 0, 0 },{ 0, 0, 0, 0, 0 },{ -1, -2, 6, -2, -1 },{ 0, 0, 0, 0, 0 },{ 0, 0, 0, 0, 0 } };//水平float horizontal_fk[5][5] = {{ 0, 0, -1, 0, 0 },{ 0, 0, -2, 0, 0 },{ 0, 0, 6, 0, 0 },{ 0, 0, -2, 0, 0 },{ 0, 0, -1, 0, 0 } };Mat filter_kernel = Mat(5, 5, CV_32FC1, horizontal_fk);filter2D(src, dst, -1, filter_kernel);imshow("Image", src);imshow("Filtered Image", dst);waitKey(0);return 0;}