From 9685382eb6eae24b5183fa2761e68ce7816f50be Mon Sep 17 00:00:00 2001
From: Kishor <kishor@shopalyst.com>
Date: Sun, 21 Aug 2022 11:32:36 +0530
Subject: [PATCH] Set window_size to 1 if round down results in 0. Without this
 fix, we will get a floating point error in calCoherence method due to divide
 by zeor

---
 modules/barcode/src/detector/bardetect.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/barcode/src/detector/bardetect.cpp b/modules/barcode/src/detector/bardetect.cpp
index 72990b3cc8a..ec0806970c0 100644
--- a/modules/barcode/src/detector/bardetect.cpp
+++ b/modules/barcode/src/detector/bardetect.cpp
@@ -86,6 +86,9 @@ void Detect::localization()
     for (const float scale:SCALE_LIST)
     {
         window_size = cvRound(min_side * scale);
+        if(window_size == 0) {
+            window_size = 1;
+        }
         calCoherence(window_size);
         barcodeErode();
         regionGrowing(window_size);