GitLab

* add h3d backbone

* add h3d backbone

* add h3dnet

* modify scannet config

* fix bugs for proposal refine

* fix bugs for test backbone

* add primitive head test

* modify h3dhead

* modify h3d head

* update loss weight config

* fix bugs for h3d head loss

* modify h3d head get targets function

* update h3dnet base config

* modify weighted loss

* Revert "Merge branch 'h3d_u2' into 'master'"

This reverts merge request !5

* add readme.md

* modify readme.md

* Update README.md

* Add experiment details

* Update README

* update readme

* reformat

* Update information in model zoo
Co-authored-by: zhangwenwei <wayne.zw@outlook.com>