From b7292bc8990cef10b424c96defd6160965a78f88 Mon Sep 17 00:00:00 2001
From: Alexander Smorkalov <alexander.smorkalov@xperience.ai>
Date: Mon, 26 Dec 2022 12:07:00 +0300
Subject: [PATCH] Fixed blob detector parameters range.

---
 modules/features2d/src/blobdetector.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/features2d/src/blobdetector.cpp b/modules/features2d/src/blobdetector.cpp
index 396521f72b..7cd49d8193 100644
--- a/modules/features2d/src/blobdetector.cpp
+++ b/modules/features2d/src/blobdetector.cpp
@@ -83,8 +83,8 @@ public:
       if (p.thresholdStep <= 0)
           CV_Error(Error::StsBadArg, "thresholdStep>0");
 
-      if (p.minThreshold > p.maxThreshold || p.minThreshold <= 0)
-          CV_Error(Error::StsBadArg, "0<minThreshold<=maxThreshold");
+      if (p.minThreshold > p.maxThreshold || p.minThreshold < 0)
+          CV_Error(Error::StsBadArg, "0<=minThreshold<=maxThreshold");
 
       if (p.minDistBetweenBlobs <=0 )
           CV_Error(Error::StsBadArg, "minDistBetweenBlobs>0");