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[Feature] Support timm backbones. #399

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Merged
merged 3 commits into from
Aug 26, 2022
Merged

[Feature] Support timm backbones. #399

merged 3 commits into from
Aug 26, 2022

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RangiLyu
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Support load timm backbones

There are hundreds of pre-trained backbones in timm https://github.com/rwightman/pytorch-image-models

With this PR, you can directly use these backbones in NanoDet.

Usage

For example, to use mobilenet v3 in timm:

First install timm by running pip install timm

Then create a config like this

model:
  arch:
    name: NanoDetPlus
    detach_epoch: 10
    backbone:
      name: TIMMWrapper
      model_name: mobilenetv3_large_100
      features_only: True
      pretrained: True
      output_stride: 32
      out_indices: [2, 3, 4]
    fpn:
      name: GhostPAN
      in_channels: [40, 112, 960]
      ... ...

@RangiLyu RangiLyu added the enhancement New feature or request label Jan 29, 2022
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codecov bot commented Jan 29, 2022 •
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Codecov Report

Merging #399 (2e6d3e5) into main (b7600c8) will increase coverage by 0.08%.
The diff coverage is 76.92%.

@@            Coverage Diff             @@
##             main     #399      +/-   ##
==========================================
+ Coverage   74.36%   74.44%   +0.08%     
==========================================
  Files          66       67       +1     
  Lines        4486     4512      +26     
  Branches      756      760       +4     
==========================================
+ Hits         3336     3359      +23     
- Misses        970      972       +2     
- Partials      180      181       +1
Flag Coverage Δ
unittests 74.44% <76.92%> (+0.08%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files Coverage Δ
nanodet/model/backbone/__init__.py 93.10% <66.66%> (+0.79%) ⬆️
nanodet/model/backbone/timm_wrapper.py 78.26% <78.26%> (ø)
nanodet/data/transform/warp.py 85.63% <0.00%> (+1.14%) ⬆️

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@RangiLyu RangiLyu linked an issue Feb 9, 2022 that may be closed by this pull request
Support of several backbones with NanoDet-Plus architecture #400
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@RangiLyu RangiLyu mentioned this pull request Feb 9, 2022
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@RangiLyu RangiLyu merged commit 9795110 into main Aug 26, 2022
@RangiLyu RangiLyu deleted the timm_backbone branch January 20, 2023 07:37
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Successfully merging this pull request may close these issues.

Support of several backbones with NanoDet-Plus architecture
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@RangiLyu