VS2019使用ImageWatch调试OpenCV

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1、ImageWatch2019的安装

打开VS2019，点击扩展->管理扩展->联机->右上角搜索ImageWatch，然后根据提示进行安装。

2、ImageWatch的使用

新建一个项目，将下列代码拷贝进去。

// Test application for the Visual Studio Image Watch Debugger extension
#include <iostream>                        // std::cout
#include <opencv2/core/core.hpp>           // cv::Mat
#include <opencv2/imgcodecs/imgcodecs.hpp>     // cv::imread()
#include <opencv2/imgproc/imgproc.hpp>     // cv::Canny()
using namespace std;
using namespace cv;
void help()
{cout<< "----------------------------------------------------" << endl<< "This is a test program for the Image Watch Debugger " << endl<< "plug-in for Visual Studio. The program loads an     " << endl<< "image from a file and runs the Canny edge detector. " << endl<< "No output is displayed or written to disk."<< endl<< "Usage:"                                               << endl<< "image-watch-demo inputimage"                          << endl<< "----------------------------------------------------" << endl<< endl;
}
int main(int argc, char *argv[])
{help();if (argc != 2){cout << "Wrong number of parameters" << endl;return -1;}cout << "Loading input image: " << argv[1] << endl;Mat input;input = imread(argv[1], IMREAD_COLOR);cout << "Detecting edges in input image" << endl;Mat edges;Canny(input, edges, 10, 100);return 0;
}

然后在Mat input处设置断点，进入调试模式，然后选择视图->其他窗口->ImageWatch，即可。如下图所示。
在这里插入图片描述