From 639bf3ee8f4cfb0dc88dfaa8b99e38e4e9b2ff01 Mon Sep 17 00:00:00 2001
From: Andrey Kamaev <no@email>
Date: Fri, 18 May 2012 06:08:14 +0000
Subject: [PATCH] Fixed accumulateWeighted with mask for multichannel matrices
 #1959

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

diff --git a/modules/imgproc/src/accum.cpp b/modules/imgproc/src/accum.cpp
index 3c2f0e5229..2c11f68903 100644
--- a/modules/imgproc/src/accum.cpp
+++ b/modules/imgproc/src/accum.cpp
@@ -272,7 +272,7 @@ accW_( const T* src, AT* dst, const uchar* mask, int len, int cn, double alpha )
             if( mask[i] )
             {
                 for( int k = 0; k < cn; k++ )
-                    dst[k] += src[k]*a + dst[k]*b;
+                    dst[k] = src[k]*a + dst[k]*b;
             }
     }
 }