From 9a2488628288a1b87d821de5b7303e040c102b1f Mon Sep 17 00:00:00 2001
From: Rafa Gomez-Jordana <rgjordana@magicleap.com>
Date: Mon, 1 Jul 2019 17:48:48 +0200
Subject: [PATCH] Fix blob detector insertion sort

---
 modules/features2d/src/blobdetector.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/features2d/src/blobdetector.cpp b/modules/features2d/src/blobdetector.cpp
index 403a8974cc..c973b09764 100644
--- a/modules/features2d/src/blobdetector.cpp
+++ b/modules/features2d/src/blobdetector.cpp
@@ -338,7 +338,7 @@ void SimpleBlobDetectorImpl::detect(InputArray image, std::vector<cv::KeyPoint>&
                     centers[j].push_back(curCenters[i]);
 
                     size_t k = centers[j].size() - 1;
-                    while( k > 0 && centers[j][k].radius < centers[j][k-1].radius )
+                    while( k > 0 && curCenters[i].radius < centers[j][k-1].radius )
                     {
                         centers[j][k] = centers[j][k-1];
                         k--;