From: cristy <urban-warrior@git.imagemagick.org>
Date: Mon, 17 Oct 2011 18:21:57 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~6795
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e28f7af50842c342335bb552f18e7ddb1a8e137a;p=imagemagick

---

diff --git a/MagickCore/compare.c b/MagickCore/compare.c
index a3914d6e1..8b2ce8145 100644
--- a/MagickCore/compare.c
+++ b/MagickCore/compare.c
@@ -833,7 +833,7 @@ static MagickBooleanType GetNormalizedCrossCorrelationDistortion(
   progress=0;
   for (i=0; i <= MaxPixelChannels; i++)
     distortion[i]=0.0;
-  area=1.0/((MagickRealType) image->columns*image->rows);
+  area=1.0/((MagickRealType) image->columns*image->rows-1);
   image_view=AcquireCacheView(image);
   reconstruct_view=AcquireCacheView(reconstruct_image);
   for (y=0; y < (ssize_t) image->rows; y++)
@@ -1493,7 +1493,7 @@ static double GetNCCDistortion(const Image *image,
   image_statistics=GetImageStatistics(image,exception);
   status=MagickTrue;
   distortion=0.0;
-  area=1.0/((MagickRealType) image->columns*image->rows);
+  area=1.0/((MagickRealType) image->columns*image->rows-1);
   image_view=AcquireCacheView(image);
   reconstruct_view=AcquireCacheView(reconstruct_image);
   for (y=0; y < (ssize_t) image->rows; y++)