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Merge pull request #7852 from savuor:fix/orb_rotation

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This commit is contained in:
Vadim Pisarevsky
2016-12-19 16:19:38 +00:00
parent 01de65c2e9 13b9dd3963
commit c64ac42b27
2 changed files with 36 additions and 1 deletions
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modules/features2d/src/orb.cpp
+3 -1
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@@ -970,7 +970,9 @@ void ORB_Impl::detectAndCompute( InputArray _image, InputArray _mask,
//ROI handling
const int HARRIS_BLOCK_SIZE = 9;
int halfPatchSize = patchSize / 2;
int border = std::max(edgeThreshold, std::max(halfPatchSize, HARRIS_BLOCK_SIZE/2))+1;
// sqrt(2.0) is for handling patch rotation
int descPatchSize = cvCeil(halfPatchSize*sqrt(2.0));
int border = std::max(edgeThreshold, std::max(descPatchSize, HARRIS_BLOCK_SIZE/2))+1;
bool useOCL = ocl::useOpenCL() && OCL_FORCE_CHECK(_image.isUMat() || _descriptors.isUMat());