* publish pct
* add train_cls
* add readme
* update opt for point transformer
* update the example index
* update for comments
Co-authored-by: Tong He <hetong007@gmail.com>
* some modifications for pointnet2
* temporarily save changes
* move files to new directory point_transformer
* implement point transformer for classification
* restore train_cls in pointnet
* implement point transformer for partseg
* fix point transformer for nan loss
* modify point transformer for cls
* modify training setting
* update transformer for cls
* update code
* update code for latest performance
* update the example index
* some minor changes
Co-authored-by: Tong He <hetong007@gmail.com>
Songqing Zhang