#include "opencv2/imgproc/imgproc.hpp" #include "opencv2/highgui/highgui.hpp" #include <stdlib.h> #include <stdio.h> using namespace cv; int main( int argc, char** argv ) { Mat src, src_gray, dst; int kernel_size = 3; int scale = 1; int delta = 0; int ddepth = CV_16S; char* window_name = "Laplace Demo"; int c; //加载图像 src = imread( argv[1] ); if( !src.data ) { return -1; } //高斯滤波去除噪声 GaussianBlur( src, src, Size(3,3), 0, 0, BORDER_DEFAULT ); //变换为灰度图 cvtColor( src, src_gray, CV_RGB2GRAY ); //创建窗口 namedWindow( window_name, CV_WINDOW_AUTOSIZE ); //应用拉普拉斯函数 Mat abs_dst; Laplacian( src_gray, dst, ddepth, kernel_size, scale, delta, BORDER_DEFAULT ); convertScaleAbs( dst, abs_dst ); //输出结果显示 imshow( window_name, abs_dst ); waitKey(0); return 0; }