一个一个修改文件就可以了（哭）
https://zhuanlan.zhihu.com/p/548140724#:~:text=%2Fhome%2Fubuntu%2Fcatkin_ws%2Fsrc%2FVINS-Mono%2Fcamera_model%2Fsrc%2Fchessboard%2FChessboard.cc%3A20%3A38%3A%20error%3A%20%E2%80%98CV_GRAY2BGR%E2%80%99%20was%20not%20declared%20in%20this,mSketch%2CCV_GRAY2BGR%29%3B%20%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95%20%E5%9C%A8%E6%8A%A5%E9%94%99%E6%96%87%E4%BB%B6%E4%B8%8A%E6%B7%BB%E5%8A%A0%E5%A4%B4%E6%96%87%E4%BB%B6%23include%20%3Copencv2%2Fimgproc%2Fimgproc_c.h%3E%20%E5%8D%95%E7%8B%AC%E9%81%87%E5%88%B0CV_AA%E7%9A%84%E6%8A%A5%E9%94%99%E6%97%B6%EF%BC%8C%E5%B0%86%20CV_AA%E6%94%B9%E4%B8%BA%20cv%3A%3ALINE_AA%20%E9%97%AE%E9%A2%98%E4%BA%8C
https://blog.csdn.net/guanjing_dream/article/details/124960771
标签：E9%,E5%,E6%,opencv,Fusion,20%,E4%,vins,8A% From： https://www.cnblogs.com/ajmddzp/p/17592776.html