GitLab

* fix bg_points_filter

* fix 3dssd bg_point_filter bug

* fix bg_filter bug in 3dssd

* update performance

* add model download link

* [Feature] Adding PWC metafile

* fix url in nuimages

* removing inaccurate training time

* refine pwc index

* refine training resources

* removing empty metric of metafile in regnet

* removing 'Focal_Loss' and 'SECOND' from Architecture