https://blog.csdn.net/qq_41175905/article/details/80560429
opencv 中 最小二乘直线拟合fitline测试:
https://blog.csdn.net/sinat_31425585/article/details/77985993
C++__vs2017配置opencv
原文:https://www.cnblogs.com/YiYA-blog/p/11104775.html