4.x
Merge pull request #25898 from Octopus136:issue-25853
Merge pull request #25607 from Fest1veNapkin:imgproc_approx_bounding_poly
Extended bilateralFilter test to cover more branches.
imgproc: fixed alignment issue and improved test for boundingRect
Merge pull request #25842 from mshabunin:cpp-imgproc-test-4.x
Merge pull request #25968 from FantasqueX:correct-bayer2gray-simd-1
Merge pull request #23108 from crackwitz:issue-23107
Merge pull request #25564 from mshabunin:cleanup-imgproc-2
Merge pull request #25680 from mshabunin:fix-approx-2
Merge pull request #26022 from Kumataro:fix26016
Merge pull request #24333 from definitelyuncertain:CvtRGB2YUV422
Merge pull request #24234 from dkurt:distanceTransform_max_dist
Merge pull request #25469 from mshabunin:cpp-emd
Merge pull request #25970 from savuor:rv/hal_pyrdown
Merge pull request #17417 from vpisarev:fix_fitellipse
ts: refactor OpenCV tests
fix cv::floodfill() for calling it with an empty mask
Merge pull request #19392 from amirtu:OCV-165_finalize_goodFeaturesToTrack_returns_also_corner_value_PR
Check for empty Mat in compare, operator= and RNG::fill, fixed related tests
Relax equalizeHist test for some HAL implementations.
Backport C-API cleanup (imgproc) from 5.x
Merge pull request #23109 from seanm:misc-warnings
Merge remote-tracking branch 'upstream/3.4' into merge-3.4
Merge pull request #23688 from cpoerschke:4.x-pr-21959-prep
Fixed result buffer overflow in intersectConvexConvex_ for non-convex input.
Merge pull request #23690 from chacha21:rotatedRectangleIntersection_precision
restore LSD
Merge pull request #11897 from Jakub-Golinowski:hpx_backend
don't use constructors for C API structures
fix the right border
Merge pull request #23634 from dkurt:fix_nearest_exact
Post-merge fixes for algorithm hint API.
improve code style and Doc of stackblur.
imgproc: reduce template sizes in templMatch test
Added tests for adaptiveThreshold and sepFilter2D