--- FuzzyOcr.scansets.orig	2009-05-29 23:09:04.000000000 +0300
+++ FuzzyOcr.scansets	2009-05-29 23:09:37.000000000 +0300
@@ -20,14 +20,14 @@
 
 # Inverted Ocrad scanset with decolorization
 scanset ocrad-decolorize-invert {
-    preprocessors = ppmtopgm, pamthreshold, pamtopnm
+    preprocessors = ppmtopgm, pamditherbw, pamtopnm
     command = $ocrad
     args = -s5 -i $input
 }
 
 # Ocrad scanset with decolorization
 scanset ocrad-decolorize {
-    preprocessors = ppmtopgm, pamthreshold, pamtopnm
+    preprocessors = ppmtopgm, pamditherbw, pamtopnm
     command = $ocrad
     args = -s5 $input
 }