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Question about some configuration in DAB-Deformable DETR. #54

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volgachen opened this issue Oct 27, 2022 · 1 comment
Open

Question about some configuration in DAB-Deformable DETR. #54

volgachen opened this issue Oct 27, 2022 · 1 comment

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@volgachen
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Thanks for your great work. I have some questions about the implementation of DAB-Deformable DETR.

  1. In DAB-DETR the position embedding is sinehw, while in DAB-Deformable-DETR it uses the original sine. Is there any reason for this difference?
  2. I found the configuration uses a larger dim_feedforward=2048. How does it performance with 1024?
  3. Have you experimented with the two-stage setting in Deformable-DETR. Could you share the results?
@SlongLiu
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  1. we use the default pe as that in deformable detr to keep a fair comparison with it.
  2. it performs better than the baseline deformable detr as well.
  3. yes. please refer to detrex: https://github.com/IDEA-Research/detrex/tree/main/projects/dab_deformable_detr . we got 49.5AP with two-stage.

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@volgachen @SlongLiu