opencv库

修改图片亮度和对比度

转载：https://www.cnblogs.com/carlber/p/9613688.html

膨胀腐蚀 顶帽黑帽

https://blog.youkuaiyun.com/zhangyibo123456789/article/details/60955182
https://www.cnblogs.com/skyfsm/p/6874274.html

二值图像轮廓填充

https://blog.youkuaiyun.com/augusdi/article/details/9011935
https://www.jianshu.com/p/6d35a8fe7f40

视频读取

https://blog.youkuaiyun.com/qq_41204464/article/details/84038810