Fix ONNX parser for single-layer LSTM hidden and cell states #23475
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rogday
suggested changes
Apr 9, 2023
dkurt
reviewed
Apr 10, 2023
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Not related to this PR but I see in some cases our ONNX parser inserts several layers to properly execute LSTM layer. Could it be fixed so that we do not need those extra layers? |
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rogday
suggested changes
Apr 16, 2023
rogday
approved these changes
Apr 24, 2023
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We had a branch with test for this pr, didn't we? |
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There is even PR with testdata: opencv/opencv_extra#1052 |
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@Abdurrahheem, can you please add tests for new functionality? |
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thewoz
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Jan 4, 2024
…tion Fix ONNX parser for single-layer LSTM hidden and cell states opencv#23475 ### Fix ONNX parser for single-layer LSTM hidden and cell states ### 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 This PR addresses opencv#21118 [issue](opencv#21118). The problem is that the ONNX parser is unable to read the hidden state and cell state for single-layer LSTMs. This PR fixes the issue by updating the parser to correctly read hidden and cell states.
thewoz
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May 29, 2024
…tion Fix ONNX parser for single-layer LSTM hidden and cell states opencv#23475 ### Fix ONNX parser for single-layer LSTM hidden and cell states ### 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 This PR addresses opencv#21118 [issue](opencv#21118). The problem is that the ONNX parser is unable to read the hidden state and cell state for single-layer LSTMs. This PR fixes the issue by updating the parser to correctly read hidden and cell states.
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Fix ONNX parser for single-layer LSTM hidden and cell states
Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.
This PR addresses #21118 issue. The problem is that the ONNX parser is unable to read the hidden state and cell state for single-layer LSTMs. This PR fixes the issue by updating the parser to correctly read hidden and cell states.