white is maximum point of the correlation image

ImageMagick · Feb 15, 2025 · 4761dcb · 4761dcb
1 parent bc4d820
commit 4761dcb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/magick/compare.c b/magick/compare.c
@@ -2209,7 +2209,9 @@ MagickExport Image *SimilarityMetricImage(Image *image,const Image *reference,
         }
       if (metric == PerceptualHashErrorMetric)
         similarity=MagickMin(0.01*similarity,1.0);
-      if (metric == NormalizedCrossCorrelationErrorMetric)
+      if ((metric == MeanSquaredErrorMetric) ||
+          (metric == NormalizedCrossCorrelationErrorMetric) ||
+          (metric == RootMeanSquaredErrorMetric))
         SetPixelRed(q,ClampToQuantum((double) QuantumRange-QuantumRange*
           similarity));
       else