Index: trunk/ippconfig/isp/ppMerge_dark.config
===================================================================
--- trunk/ippconfig/isp/ppMerge_dark.config	(revision 8835)
+++ trunk/ippconfig/isp/ppMerge_dark.config	(revision 9331)
@@ -9,6 +9,7 @@
 FRACLOW		F32	0.1		# Fraction of low pixels to reject immediately
 NKEEP		S32	5		# Minimum number of pixels in stack to keep
+SHUTTERSIZE	S32	128		# Size of shutter regions for statistics
 MASKVAL		S32	0xff		# Mask value for input data
-### Statistics options: MEAN | MEDIAN | ROBUST | FITTED | CLIPPED
 COMBINE		STR	MEAN		# Statistic to use for combination: 
-BACKGROUND	STR	MEDIAN		# Statistic to use to measure the background
+MEAN		STR	ROBUST_MEDIAN	# Statistic to use to measure the mean
+STDEV		STR	ROBUST_STDEV	# Statistic to use to measure the stdev