LichKing的博客

在工程的属性页面中找到“C/C++"——”预处理器“，按下图操作单击箭头指向处的按钮在下面的编辑窗口中添加一句命令：_CRT_SECURE_NO_WARNINGS添加完成后应用并退出参考资料：https://jingyan.baidu.com/article/49711c616b8a1ffa441b7cdc.html...

https://www.cnblogs.com/donaldlee2008/p/5381804.html

rror:OpenCV Error: Assertion failed (0 <= roi.x && 0 <= roi.width && roi.x + roi.width <= m.cols && 0 &am

https://blog.youkuaiyun.com/sinat_36264666/article/details/73135823?ref=myread