From a4b5641836c172b4f5abe9b4334a7de8873677c5 Mon Sep 17 00:00:00 2001
From: Rohit Girdhar <rohit@iiith>
Date: Wed, 12 Feb 2014 22:29:04 +0530
Subject: [PATCH] bugfix: blobdetector was putting incorrect diameter value in
 keypoints

---
 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 2368591d9b..69e058555d 100644
--- a/modules/features2d/src/blobdetector.cpp
+++ b/modules/features2d/src/blobdetector.cpp
@@ -336,7 +336,7 @@ void SimpleBlobDetector::detectImpl(InputArray image, std::vector<cv::KeyPoint>&
             normalizer += centers[i][j].confidence;
         }
         sumPoint *= (1. / normalizer);
-        KeyPoint kpt(sumPoint, (float)(centers[i][centers[i].size() / 2].radius));
+        KeyPoint kpt(sumPoint, (float)(centers[i][centers[i].size() / 2].radius) * 2.0f);
         keypoints.push_back(kpt);
     }
 }