一个最简单的OPENCV入门程序，读取图像，显示其反转片效果，给初学者一个很浅显的概念，同时帮你检验你的opencv平台是否搭建成功。用的是最“土”的控制台程序，压缩文件里有编译结果和运行方法，-OPENCV a simple entry application, read the image, showing the effect of reversal film, giving beginners a simple and obvious concept, but to help you c