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Merge pull request #29487 from Functionhx:fix/docs-combined

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Fix calibration tutorial docs, decomposeProjectionMatrix, and convertMaps performance claims #29487

Fixes #25655, #26791, #27277.

Three doc fixes:
1. Calibration tutorial: rows/cols swapped, fixed np.mgrid consistency
2. decomposeProjectionMatrix: clarified transVect is camera center in homogeneous coordinates
3. convertMaps: replaced overstated 2x speed claim

### Pull Request Readiness Checklist
- [x] I agree to contribute under Apache 2 License
- [x] Not based on GPL/incompatible license
- [x] PR proposed to proper branch (4.x)
- [x] Reference to original bug report and related work
- [ ] Accuracy test, performance test, test data: N/A (doc-only)
- [x] Feature well documented and sample code buildable
This commit is contained in:
FAN YUCHEN
2026-07-10 20:59:29 +08:00
committed by GitHub
parent b21eae2b8b
commit d7e6e58652
4 changed files with 22 additions and 15 deletions
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modules/calib3d/include/opencv2/calib3d.hpp
+2 -1
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@@ -881,7 +881,8 @@ CV_EXPORTS_W Vec3d RQDecomp3x3( InputArray src, OutputArray mtxR, OutputArray mt
@param projMatrix 3x4 input projection matrix P.
@param cameraMatrix Output 3x3 camera intrinsic matrix \f$\cameramatrix{A}\f$.
@param rotMatrix Output 3x3 external rotation matrix R.
@param transVect Output 4x1 translation vector T.
@param transVect Output 4x1 vector representing the camera position in homogeneous coordinates.
To obtain the translation vector, use t = -rotMatrix * transVect[:3].
@param rotMatrixX Optional 3x3 rotation matrix around x-axis.
@param rotMatrixY Optional 3x3 rotation matrix around y-axis.
@param rotMatrixZ Optional 3x3 rotation matrix around z-axis.