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Reduce the buffer usage in `QualitySSIM::compute`

Open lumina37 opened this issue 5 months ago • 1 comments

Reduce the buffer usage in QualitySSIM::compute by safely reusing I1_I2, mu1_mu2 and sigma12.

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

lumina37 avatar Sep 22 '24 15:09 lumina37