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Anand Mahesh
ad50964f78
Feat: Add OpenCL support for AKAZE features #28879 Implement OpenCL-accelerated AKAZE feature detection and descriptor extraction Benchmarked on RTX 5060 Ti: 1.2x to 3.31x faster for image sizes from 640x480 to 3840x2160 - Added 8 OpenCL kernels for feature detection and descriptor extraction - Refactored compute_kcontrast to use OpenCV magnitude() for consistency - Added comprehensive tests with >95% accuracy vs CPU baseline ### 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 - [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