开始cv版本2.4.9编译器vs2019资料书:OpenCV3编程入门(毛星云)配置按照网上教程。遇到的问题运行测试程序遇到的问题:OpenCVError: Assertion failed (size.width>0 && size.height>0) in cv::imshow, file ...\opencv\modules\highgui\src\w opencv毛星云...