使用OpenCV的边缘检测

代码如下：

#include "infer.h"using namespace cv;
using namespace std;int main::getResult(string fileName)
{Mat src = imread(fileName);Mat dst;cvtColor(src, src, COLOR_BGR2GRAY);blur(src, src, Size(3, 3));Canny(src, dst, 3, 9, 3);imshow(src);return 0;
}