Suitable for Ascend. Modify SSD and RetinaHead Model

[akstt]

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Motivation

Suitable for Ascend. Modify SSD and RetinaHead Model.

Modification

• The main modification points are as follows:
  1. Create a new file mmdet/models/dense_heads/ascend_anchor_head.py. Create class AscendAnchorHead that inherits class AnchorHead.
  2. Create a new file mmdet/models/dense_heads/ascend_retina_head.py. Create class AscendRetinaHead that inherits class RetinaHead and class AscendAnchorHead.
  3. Create a new file mmdet/models/dense_heads/ascend_ssd_head.py. Create class AscendSSDHead that inherits class SSDHead and class AscendAnchorHead.
  4. Create a new file mmdet/core/bbox/assigners/ascend_assign_result.py. Create class AscendAssignResult that similar class AssignResult.
  5. Create a new file mmdet/core/bbox/assigners/ascend_max_iou_assigner.py. Create class AscendMaxIoUAssigner that similar class MaxIoUAssigner.
  6. Create a new file mmdet/utils/ascend_util.py. Build function that suitable ascend.
  7. Modify mmdet/models/dense_heads/__init__.py, mmdet/core/bbox/assigners/__init__.py, mmdet/utils/__init__.py. For new classes and functions can be able to be called into.

BC-breaking (Optional)

None

Use cases (Optional)

• test case
  • tests/test_models/test_dense_heads/test_ascend_head.py

Checklist

• Pre-commit or other linting tools are used to fix the potential lint issues.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• If the modification has potential influence on downstream projects, this PR should be tested with downstream projects, like MMDet or MMCls.
• The documentation has been modified accordingly, like docstring or example tutorials.

[codecov]

Codecov Report

Base: 64.17% // Head: 64.34% // Increases project coverage by +0.16% 🎉

Coverage data is based on head (8f927c0) compared to base (91a4539).
Patch coverage: 81.91% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #9614      +/-   ##
==========================================
+ Coverage   64.17%   64.34%   +0.16%     
==========================================
  Files         363      369       +6     
  Lines       29661    29942     +281     
  Branches     4943     4992      +49     
==========================================
+ Hits        19036    19267     +231     
- Misses       9615     9649      +34     
- Partials     1010     1026      +16     

Flag	Coverage Δ
unittests	64.33% <81.91%> (+0.16%)	⬆️

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

Impacted Files	Coverage Δ
mmdet/utils/ascend_util.py	68.00% <68.00%> (ø)
...det/core/bbox/assigners/ascend_max_iou_assigner.py	72.72% <72.72%> (ø)
mmdet/models/dense_heads/ascend_ssd_head.py	84.21% <84.21%> (ø)
mmdet/models/dense_heads/ascend_anchor_head.py	85.32% <85.32%> (ø)
mmdet/core/bbox/assigners/__init__.py	100.00% <100.00%> (ø)
mmdet/core/bbox/assigners/ascend_assign_result.py	100.00% <100.00%> (ø)
mmdet/models/dense_heads/__init__.py	100.00% <100.00%> (ø)
mmdet/models/dense_heads/ascend_retina_head.py	100.00% <100.00%> (ø)
mmdet/utils/__init__.py	100.00% <100.00%> (ø)
mmdet/utils/rfnext.py	0.00% <0.00%> (-17.65%)	⬇️
... and 2 more

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[jason102811]

Dear akstt,
First of all, we want to express our gratitude for your significant PR in the MMDet . Your contribution is highly appreciated, and we are grateful for your efforts in helping improve this open-source project during your personal time. We believe that many developers will benefit from your PR.
As a valued contributor, we would also like to invite you to join our Special Interest Group (SIG) private channel, where you can share your experiences, ideas, and build connections with like-minded peers.
Join us ：https://discord.gg/raweFPmdzG
To join the SIG channel, simply message moderator— OpenMMLab on Discord or briefly share your open-source contributions in the #introductions channel and we will assist you. We look forward to seeing you there!
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Best regards！ @akstt