https://blog.csdn.net/weixin_38141453/article/details/106019221

https://blog.csdn.net/BIT_HXZ/article/details/124205470

深度学习理论与实践第三章作业-CNN手写数字识别

由于项目需要3.4.0版本opencv，和ros-melodic-cv-bridge自带的opencv3.2.0冲突了，导致open-vins、vins-mono、vins-fusion程序无法运行

https://zhuanlan.zhihu.com/p/497942945

https://blog.csdn.net/hjwang1/article/details/112478036

https://blog.csdn.net/u014779536/article/details/111301635

http://www.taodudu.cc/news/show-4751906.html?action=onClick

https://blog.csdn.net/weixin_44458958/article/details/129636627

https://www.cnblogs.com/shang-slam/p/6481344.html