Index: trunk/ippScripts/scripts/detrend_norm_apply.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_norm_apply.pl	(revision 11829)
+++ trunk/ippScripts/scripts/detrend_norm_apply.pl	(revision 11830)
@@ -138,11 +138,11 @@
     # Add the statistics triplet
     $command .= " -bg " . $stats->bg_mean();
-    if (defined($stats->bg_stdev())) {
-	$command .= " -bg_stdev " . $stats->bg_stdev();
+    if (defined($stats->bg_mean_stdev())) {
+	$command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
     } else {
 	# May be undefined if there's only a single imfile
-	$command .= " -bg_stdev 0";
+	$command .= " -bg_mean_stdev 0";
     }
-    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    $command .= " -bg_stdev " . $stats->bg_stdev();
 
     $command .= " -dbname $dbname" if defined $dbname;
Index: trunk/ippScripts/scripts/detrend_process_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_process_imfile.pl	(revision 11829)
+++ trunk/ippScripts/scripts/detrend_process_imfile.pl	(revision 11830)
@@ -144,11 +144,11 @@
 	"-class_id $class_id -recip $recipe -uri $outputImage -b1_uri $outputRoot";  # Command to run dettool
     $command .= " -bg " . $stats->bg_mean();
-    if (defined($stats->bg_stdev())) {
-	$command .= " -bg_stdev " . $stats->bg_stdev();
+    if (defined($stats->bg_mean_stdev())) {
+	$command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
     } else {
 	# May be undefined if there's only a single imfile
-	$command .= " -bg_stdev 0";
+	$command .= " -bg_mean_stdev 0";
     }
-    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    $command .= " -bg_stdev " . $stats->bg_stdev();
     $command .= " -dbname $dbname" if defined $dbname;
 
Index: trunk/ippScripts/scripts/detrend_stack.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_stack.pl	(revision 11829)
+++ trunk/ippScripts/scripts/detrend_stack.pl	(revision 11830)
@@ -155,11 +155,11 @@
 	" -uri $outputStack -recip $recipe"; # Command to run
     $command .= ' -bg ' . $stats->bg_mean();
-    if (defined($stats->bg_stdev())) {
-    $command .= ' -bg_stdev ' . $stats->bg_stdev();
+    if (defined($stats->bg_mean_stdev())) {
+    $command .= ' -bg_mean_stdev ' . $stats->bg_mean_stdev();
     } else {
 	# May be undefined if there is only a single imfile
-	$command .= ' -bg_stdev 0';
-    }
-    $command .= ' -bg_mean_stdev ' . $stats->bg_mean_stdev();
+	$command .= ' -bg_mean_stdev 0';
+    }
+    $command .= ' -bg_stdev ' . $stats->bg_stdev();
     $command .= " -dbname $dbname" if defined $dbname;
     my ( $success, $error_code, $full_buf, $stdout_buf, $stderr_buf ) =
Index: trunk/ippScripts/scripts/phase0_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/phase0_imfile.pl	(revision 11829)
+++ trunk/ippScripts/scripts/phase0_imfile.pl	(revision 11830)
@@ -187,5 +187,5 @@
         push @command, $stats->bg_mean_stdev();
     } else {
-        push @command, "NAN";
+        push @command, "0.0";
     }
 
Index: trunk/ippScripts/scripts/phase2.pl
===================================================================
--- trunk/ippScripts/scripts/phase2.pl	(revision 11829)
+++ trunk/ippScripts/scripts/phase2.pl	(revision 11830)
@@ -137,5 +137,9 @@
     $command .= " -bg " . $stats->bg_mean();
     $command .= " -bg_stdev " . $stats->bg_stdev();
-    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    if ( defined $stats->bg_mean_stdev() ) {
+	$command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    } else {
+	$command .= " -bg_mean_stdev 0.0";
+    }
     $command .= " -dbname $dbname" if defined $dbname;
 
Index: trunk/ippScripts/scripts/phase4_warp.pl
===================================================================
--- trunk/ippScripts/scripts/phase4_warp.pl	(revision 11829)
+++ trunk/ippScripts/scripts/phase4_warp.pl	(revision 11830)
@@ -142,5 +142,5 @@
 	" -uri $outputImage -b1_uri $outputRoot";  # Command to run dettool
     $command .= " -bg " . $stats->bg_mean();
-    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    $command .= " -bg_stdev " . $stats->bg_stdev();
     $command .= " -dbname $dbname" if defined $dbname;
 
Index: trunk/ippScripts/scripts/phase5_subtract.pl
===================================================================
--- trunk/ippScripts/scripts/phase5_subtract.pl	(revision 11829)
+++ trunk/ippScripts/scripts/phase5_subtract.pl	(revision 11830)
@@ -163,5 +163,5 @@
 	if (0) { ### Disabled because no statistics yet
 	    $command .= " -bg " . $stats->bg_mean();
-	    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+	    $command .= " -bg_stdev " . $stats->bg_stdev();
 	}