Qing Shuai

This step is check the minimal views. This may occur when the cameras are sparse or the scene is crowded.

This function is not public available and not used.

Please check the camera parameters.

我们只使用了两个数据集中公共的点，可以参考[SPIN](https://github.com/nkolot/SPIN) 中对多个数据集的处理。

Hello, this is a bug in v0.1 and will be fixed in v0.2. Specifically, it is because the wrong smooth of the rotation.

I will release the new designed code this month.

Which part do you mean?

What do you mean `smpl reprojection`?

Our code will automatically read all the person in `keypoints3d`, you can check the loading results at `smpl_from_keypoints`.

The code may not optimize `shapes`, but the `poses` seems to be right. You should first check whether all the four person are optimized.