roytseng-tw / Detectron.pytorch

A pytorch implementation of Detectron. Both training from scratch and inferring directly from pretrained Detectron weights are available.
MIT License
2.82k stars 567 forks source link

Could not using RoiCrop in FPN backbone? #160

Open qinhaifangpku opened 5 years ago

qinhaifangpku commented 5 years ago

PLEASE FOLLOW THESE INSTRUCTIONS BEFORE POSTING

  1. Read the README.md thoroughly ! README.md is not a decoration.
  2. Please search existing open and closed issues in case your issue has already been reported
  3. Please try to debug the issue in case you can solve it on your own before posting

After following steps above and agreeing to provide the detailed information requested below, you may continue with posting your issue

(Delete this line and the text above it.)

Expected results

What did you expect to see?

Actual results

What did you observe instead?

Detailed steps to reproduce

E.g.:

The command that you ran

System information

Hi, I found that the RoiCrop using the affine_grid_gen function in net.py. Every roi in rois will divide 16. I think it means the feat stride. But there are levels in FPN backbones. Anyone could tell me how to use RoiCrop in FPN Backbone?