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Replace default YuNet with the one of fixed input shape to avoid 'parseShape' error #44

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fengyuentau opened this issue Mar 31, 2022 · 0 comments · Fixed by #45
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Replace default YuNet with the one of fixed input shape to avoid 'parseShape' error #44

fengyuentau opened this issue Mar 31, 2022 · 0 comments · Fixed by #45
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fengyuentau commented Mar 31, 2022 •
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Related bug report: opencv/opencv#21340 (comment)

OpenCV does not support ONNX models that have dyanmic input shape and the 'Shape' operator for now. So running YuNet demo will get the following error message although the results are correct:

$ python demo.py
[ERROR:[email protected]] global /Users/xperience/actions-runner/_work/opencv-python/opencv-python/opencv/modules/dnn/src/onnx/onnx_importer.cpp (2516) parseShape DNN/ONNX(Shape): dynamic 'zero' shapes are not supported, input 243 [ 0 0 0 51 ]
[ERROR:[email protected]] global /Users/xperience/actions-runner/_work/opencv-python/opencv-python/opencv/modules/dnn/src/onnx/onnx_importer.cpp (2516) parseShape DNN/ONNX(Shape): dynamic 'zero' shapes are not supported, input 250 [ 0 0 0 34 ]
[ERROR:[email protected]] global /Users/xperience/actions-runner/_work/opencv-python/opencv-python/opencv/modules/dnn/src/onnx/onnx_importer.cpp (2516) parseShape DNN/ONNX(Shape): dynamic 'zero' shapes are not supported, input 257 [ 0 0 0 34 ]
[ERROR:[email protected]] global /Users/xperience/actions-runner/_work/opencv-python/opencv-python/opencv/modules/dnn/src/onnx/onnx_importer.cpp (2516) parseShape DNN/ONNX(Shape): dynamic 'zero' shapes are not supported, input 264 [ 0 0 0 51 ]
[ERROR:[email protected]] global /Users/xperience/actions-runner/_work/opencv-python/opencv-python/opencv/modules/dnn/src/onnx/onnx_importer.cpp (2516) parseShape DNN/ONNX(Shape): dynamic 'zero' shapes are not supported, input 297 [ 0 -4 ]

A patch is made to use YuNet of fixed input shape to bypass the error: opencv/opencv#21607. Although the input shape of ONNX model is fixed, OpenCV DNN infers on the actual input shape.
@fengyuentau fengyuentau added the bug Something isn't working label Mar 31, 2022
@fengyuentau fengyuentau self-assigned this Mar 31, 2022
@fengyuentau fengyuentau linked a pull request Mar 31, 2022 that will close this issue
Use YuNet of fixed input shape to avoid 'parseShape' error #45
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fengyuentau added a commit that referenced this issue Apr 1, 2022
@fengyuentau
Use YuNet of fixed input shape to avoid 'parseShape' error (#45)
4563a91 
* replace with yunet of fixed input shape

* update quantized yunet

* update yunet filename used in scripts

* add a note message for #44
@gidesa gidesa mentioned this issue May 29, 2023
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fengyuentau added a commit that referenced this issue Jun 8, 2023
@fengyuentau
Use YuNet of fixed input shape to avoid 'parseShape' error (#45)
c97242c 
* replace with yunet of fixed input shape

* update quantized yunet

* update yunet filename used in scripts

* add a note message for #44
@fengyuentau fengyuentau added this to the 4.9.0 (first release) milestone Dec 28, 2023
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Use YuNet of fixed input shape to avoid 'parseShape' error
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