https://mmdetection3d.readthedocs.io/en/latest/1_exist_data_model.html
설치 이슈
(mmdetection3d & openpcdet)
https://hongkun.space/archives/93e5b117.html
(spconv)
https://redstarhong.tistory.com/143
https://ganghee-lee.tistory.com/50
https://jhyeup.tistory.com/entry/PointNet
https://towardsdatascience.com/deep-learning-on-point-clouds-implementing-pointnet-in-google-colab-1fd65cd3a263