Index: trunk/psLib/src/imageops/psImageCovariance.c
===================================================================
--- trunk/psLib/src/imageops/psImageCovariance.c	(revision 28667)
+++ trunk/psLib/src/imageops/psImageCovariance.c	(revision 30595)
@@ -30,4 +30,15 @@
     return covar;
 }
+
+/** 
+
+ * changes from 28666
+ ** add scale to imageCovarianceCalculate (& multiply at return)
+ ** add scale to imageCovarianceCalculateThread
+
+ ** accumulate scale (sum kernel^2) in psImageCovarianceCalculate and pass to imageCovarianceCalculate
+ ** accumulate scale (sum kernel^2) in psImageCovarianceCalculateFactor and pass to imageCovarianceCalculate
+
+ **/
 
 /// Calculation of covariance matrix element when convolving