Fix normalization in convolution when kernel sums to zero

ruven · Sep 7, 2023 · b9caf9c · b9caf9c
1 parent be7e090
commit b9caf9c
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,8 @@
+
+07/09/2023:
+	- Fix normalization in convolution when kernel sums to zero
+
+
 03/09/2023: Version 1.2 Released
 
 

diff --git a/src/Transforms.cc b/src/Transforms.cc
@@ -1197,7 +1197,7 @@ void Transform::convolution( RawTile& in, const vector<float>& kernel ){
           }
         }
 	// Normalize our values
-	v = v / total;
+	if( total > 0.0 ) v = v / total;
 	buffer[n++] = v;
       }
     }