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Alex Wu
30fffe2fa0
hal/riscv-rvv: implement laplacian #28887 OpenCV Extra: https://github.com/opencv/opencv_extra/pull/1353 An implementation of laplacian for riscv-rvv hal Added benchmark in perf_laplacian.cpp The performance is evaluated on K1 by running ./opencv_perf_imgproc --gtest_filter="Perf_Laplacian*" Results are attached in the figure below. CV_8U fast path supports ksize=3 with BORDER_CONSTANT/BORDER_REPLICATE; unsupported combinations fall back to default implementation. See performance results bellow. ### 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 - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake