Commit f85632e71 for imagemagick.org
commit f85632e711aeee4ba59fa5fdd95b349f001415c3
Author: Cristy <urban-warrior@imagemagick.org>
Date: Sun Jul 5 21:42:40 2026 -0400
normalize the AE metric
diff --git a/MagickCore/compare.c b/MagickCore/compare.c
index 9eacb481c..d5717af5d 100644
--- a/MagickCore/compare.c
+++ b/MagickCore/compare.c
@@ -394,7 +394,7 @@ static MagickBooleanType GetAESimilarity(const Image *image,
error=Sa*p[i]-Da*GetPixelChannel(reconstruct_image,channel,q);
if (MagickSafeSignificantError(error*error,fuzz) != MagickFalse)
{
- double ae = fabs(error);
+ double ae = fabs(QuantumScale*error);
channel_similarity[i]+=ae;
channel_similarity[CompositePixelChannel]+=ae;
}