Abduragim Shtanchaev efbc9f0b66 Merge pull request #25861 from Abdurrahheem:ash/torch-attention-export-fix-4x ... Merge pull request #25861 from Abdurrahheem:ash/torch-attention-export-fix-4x Support for Unflatten operation requred by Attention layer - 4.x #25861 ### Pull Request Readiness Checklist All test data and models for PR are located [#1190](https://github.com/opencv/opencv_extra/pull/1190) This PR fixes issue reised when importing batched vanilla `Attention` layer from `PyTorch` via ONNX. Currently batched version of `Attention` layer in PyTorch [has unflatten operation inside](e3b3431c42/torch/nn/functional.py (L5500C17-L5500C31)). `unflatten` operation causes issue in `reshape` layer (see the Reshape_2 in the graph below) due to incorrect output of `slice` layer. This PR particularly fixes `slice` and `concat` layers to handle `unflatten` operation. <img width="673" alt="image" src="https://github.com/opencv/opencv/assets/44877829/5b612b31-657a-47f1-83a4-0ac35a950abd"> 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		2024-07-04 16:25:31 +03:00
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cmake	Add Definition "_USE_MATH_DEFINES" for dnn plugin on Win32 build	2024-04-07 21:08:09 +09:00
include/opencv2	Merge pull request #25810 from fengyuentau:python/fix_parsing_3d_mat_in_dnn	2024-07-04 08:33:20 +03:00
misc	Merge pull request #25810 from fengyuentau:python/fix_parsing_3d_mat_in_dnn	2024-07-04 08:33:20 +03:00
perf	Fix proto and weights mess in dnn performance tests.	2024-02-07 09:16:09 +03:00
src	Merge pull request #25861 from Abdurrahheem:ash/torch-attention-export-fix-4x	2024-07-04 16:25:31 +03:00
test	Merge pull request #25861 from Abdurrahheem:ash/torch-attention-export-fix-4x	2024-07-04 16:25:31 +03:00
CMakeLists.txt	Merge pull request #25230 from hanliutong/rvv-conv	2024-03-31 16:47:06 +03:00