https://www.bilibili.com/video/av760346895/
openpose 2d
densepose 3d
mediapipe 比较实时
https://blog.csdn.net/menglir/article/details/116137112
https://www.zhihu.com/column/c_1372599424972177408
https://blog.csdn.net/weixin_45930948/article/details/115444916