opencv contourArea() 计算面积(转)

1.轮廓面积计算结果和像素点总数的关系

https://blog.youkuaiyun.com/yiqiudream/article/details/51858421

2.opencv中contourarea返回值与轮廓的真实面积

https://blog.youkuaiyun.com/Sirius_0/article/details/80289772

3.使用OpenCV查找二值图中最大连通区域

https://blog.youkuaiyun.com/shaoxiaohu1/article/details/40272875