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dnn: add ONNX TopK #23279 Merge with https://github.com/opencv/opencv_extra/pull/1200 Partially fixes #22890 and #20258 To-do: - [x] TopK forward impl - [x] add tests - [x] support Opset 1 & 10 if possible - [ ] ~Support other backends~ (TopK has two outputs, which is not supported by other backends, such as openvino) Perf: M1 (time in millisecond) | input shape | axis | dnn | ort | | --------------- | ---- | ---- | ---- | | (1000, 100) | 0 | 1.68 | 4.07 | | (1000, 100) K5 | 0 | 1.13 | 0.12 | | (1000, 100) | 1 | 0.96 | 0.77 | | (100, 100, 100) | 0 | 10.00 | 31.13 | | (100, 100, 100) | 1 | 7.33 | 9.17 | | (100, 100, 100) | 2 | 7.52 | 9.48 | M2 (time in milisecond) | input shape | axis | dnn | ort | | --------------- | ---- | ---- | ---- | | (1000, 100) | 0 | 0.76 | 2.44 | | (1000, 100) K5 | 0 | 0.68 | 0.07 | | (1000, 100) | 1 | 0.41 | 0.50 | | (100, 100, 100) | 0 | 4.83 | 17.52| | (100, 100, 100) | 1 | 3.60 | 5.08 | | (100, 100, 100) | 2 | 3.73 | 5.10 | ONNXRuntime performance testing script: https://gist.github.com/fengyuentau/a119f94fd16721ec9974b8c7b0a45d4c ### 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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