+done;
+
+# do ocr binarise
+[ -e $outdir/scanpgs ] && rm -r $outdir/scanpgs
+ocropus book2pages $outdir/scanpgs $outdir/scanpg-*.png || exit 1
+
+for scanpgnum in `$my_seq 1 $pages`; do
+
+ binscanpg=$outdir/scanpgs/$(printf '%04d' $scanpgnum).bin.png
+ scanpgnum=$(printf '%03d' $scanpgnum)
+ scanpg=$outdir/scanpg-${scanpgnum}.png
+
+ # preprocess scanned page