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Merge pull request #25726 from chacha21:remap_relative_doc

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Relates to #24603

### 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
- [ ] 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
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Pierre Chatelier 2024-06-10 10:09:25 +02:00 committed by GitHub
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1 changed files with 5 additions and 2 deletions
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7
modules/imgproc/include/opencv2/imgproc.hpp
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@ -2485,7 +2485,10 @@ CV_EXPORTS_W void warpPerspective( InputArray src, OutputArray dst,
The function remap transforms the source image using the specified map:
\f[\texttt{dst} (x,y) = \texttt{src} (map_x(x,y),map_y(x,y))\f]
\f[\texttt{dst} (x,y) = \texttt{src} (x+map_x(x,y),y+map_y(x,y))\f] with WARP_RELATIVE_MAP
with the WARP_RELATIVE_MAP flag :
\f[\texttt{dst} (x,y) = \texttt{src} (x+map_x(x,y),y+map_y(x,y))\f]
where values of pixels with non-integer coordinates are computed using one of available
interpolation methods. \f$map_x\f$ and \f$map_y\f$ can be encoded as separate floating-point maps
@ -2506,7 +2509,7 @@ representation to fixed-point for speed.
if map1 is (x,y) points), respectively.
@param interpolation Interpolation method (see #InterpolationFlags). The methods #INTER_AREA
#INTER_LINEAR_EXACT and #INTER_NEAREST_EXACT are not supported by this function.
The extra flag WARP_RELATIVE_MAP that can be ORed to the interpolation method
The extra flag WARP_RELATIVE_MAP can be ORed to the interpolation method
(e.g. INTER_LINEAR | WARP_RELATIVE_MAP)
@param borderMode Pixel extrapolation method (see #BorderTypes). When
borderMode=#BORDER_TRANSPARENT, it means that the pixels in the destination image that