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Merge pull request #23388 from simonlynen:patch-2

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Make LineSegmentDetector deterministic by using stable_sort
This commit is contained in:
Alexander Smorkalov
2023-03-23 16:18:29 +03:00
committed by GitHub
parent 8c64adb000 6033599c88
commit 1af790ecc3
1 changed files with 2 additions and 2 deletions
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modules/imgproc/src/lsd.cpp
+2 -2
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@@ -592,8 +592,8 @@ void LineSegmentDetectorImpl::ll_angle(const double& threshold,
}
}
// Sort
std::sort(ordered_points.begin(), ordered_points.end(), compare_norm);
// Use stable sort to ensure deterministic region growing and thus overall LSD result determinism.
std::stable_sort(ordered_points.begin(), ordered_points.end(), compare_norm);
}
void LineSegmentDetectorImpl::region_grow(const Point2i& s, std::vector<RegionPoint>& reg,