averello/ImageMagick-mirror
1
0
Fork 0
mirror of https://github.com/ImageMagick/ImageMagick.git synced 2026-06-12 15:37:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

trap for NCC working with constant color in spatial domain

Browse Source
This commit is contained in:
Cristy
2025-04-26 19:45:04 -04:00
parent c0a0fc1106
commit 2489ef6740
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MagickWand/compare.c
+5 -1
View File
@@ -1266,6 +1266,7 @@ WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
similarity_metric=fabs(similarity_metric);
break;
}
case NormalizedCrossCorrelationErrorMetric:
case PerceptualHashErrorMetric:
{
double
@@ -1273,7 +1274,10 @@ WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
minima = 0.0;
(void) GetImageRange(reconstruct_image,&minima,&maxima,exception);
if (fabs(maxima-minima) < MagickEpsilon)
if ((fabs(maxima-minima) < MagickEpsilon) ||
((subimage_search != MagickFalse) &&
(image->columns == reconstruct_image->columns) &&
(image->rows == reconstruct_image->rows)))
(void) ThrowMagickException(exception,GetMagickModule(),ImageWarning,
"subimage search is not sufficiently robust for PAE/PHASH metrics",
"`%s'",image->filename);