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Open Source Computer Vision Library
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Yuantao Feng 3f13ce797b
Merge pull request #25779 from fengyuentau:dnn/fix_onnx_depthtospace 
dnn: add DepthToSpace and SpaceToDepth #25779

We are working on updating WeChat QRCode module. One of the new models is a fully convolutional model and hence it should be able to run with different input shapes. However,  it has an operator `DepthToSpace`, which is parsed as a subgraph of `Reshape -> Permute -> Reshape` with a fixed shape getting during parsing. The subgraph itself is not a problem, but the true problem is the subgraph with a fixed input and output shape regardless input changes. This does not allow the model to run with different input shapes.

Solution is to add a dedicated layer for DepthtoSpace and SpaceToDepth.

Backend support:

- [x] CPU
- [x] CUDA
- [x] OpenCL
- [x] OpenVINO
- [x] CANN
- [x] TIMVX
-  ~Vulkan~ (missing fundamental tools, like permutation and reshape)

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
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.github Added Ubuntu 24.04 to regular CI. 2024-05-16 11:17:35 +03:00
3rdparty Enable build with both old and new layouts of IPP 2024-06-17 03:26:01 -07:00
apps Merge pull request #25582 from fengyuentau:dnn/dump_pbtxt 2024-05-17 11:07:05 +03:00
cmake Enable build with both old and new layouts of IPP 2024-06-17 03:26:01 -07:00
data Merge pull request #22727 from su77ungr:patch-1 2022-11-17 06:54:25 +00:00
doc Svgfig library update to version 1.0.1 as it uses BSD-3 license. 2024-06-18 11:13:32 +03:00
include exclude opencv_contrib modules 2020-02-26 15:12:45 +03:00
modules Merge pull request #25779 from fengyuentau:dnn/fix_onnx_depthtospace 2024-06-21 19:28:22 +03:00
platforms Merge pull request #25746 from savuor:rv/hwasan_flag_release 2024-06-18 18:15:41 +03:00
samples Merge pull request #25771 from fengyuentau:vittrack_black_input 2024-06-18 12:48:28 +03:00
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COPYRIGHT copyright: 2023 (update) 2023-01-09 09:49:22 +00:00
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README.md Space mistake in README.md 2024-03-03 23:37:07 +05:30
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README.md

OpenCV: Open Source Computer Vision Library

Resources

Contributing

Please read the contribution guidelines before starting work on a pull request.

Summary of the guidelines:

  • One pull request per issue;
  • Choose the right base branch;
  • Include tests and documentation;
  • Clean up "oops" commits before submitting;
  • Follow the coding style guide.

Additional Resources