opencv之坑（五）——mask与ROI

OpenCV学习笔记—掩膜mask的使用 https://blog.youkuaiyun.com/shuke123321/article/details/93502750

【OpenCV学习笔记】十三、ROI与mask掩码 https://blog.youkuaiyun.com/abc8730866/article/details/62236040

【opencv学习之二十一】ROI和mask https://blog.youkuaiyun.com/abcvincent/article/details/78821888

Opencv图像处理之详解掩膜mask https://blog.youkuaiyun.com/Gavinmiaoc/article/details/80856246

opencv中mask参数 https://blog.youkuaiyun.com/iwillbebetteryeah/article/details/83862205

OpenCV——掩膜（又称掩码）mask的原理和作用 https://www.cnblogs.com/long5683/p/9675121.html

OpenCV探索之路（十三）：详解掩膜mask https://www.cnblogs.com/skyfsm/p/6894685.html

opencv截取图像中某一区域的方法 https://blog.youkuaiyun.com/woniulx2014/article/details/83177175