X-Git-Url: https://git.ucc.asn.au/?p=dja%2Fscandal.git;a=blobdiff_plain;f=scan2pages.sh;h=5fbdab5ffdeba68b5684bdad7a60c59fb525574d;hp=cbfe52f06bd4af008225c65a3426c9e3b0527f49;hb=d3130f66fba75ba0fefa6bf6a85c11f6c0c3a96b;hpb=88f2331a5a94726bdf7c2b28f11c203a3f9ae15a

diff --git a/scan2pages.sh b/scan2pages.sh
index cbfe52f..5fbdab5 100755
--- a/scan2pages.sh
+++ b/scan2pages.sh
@@ -156,7 +156,7 @@ for scanpgnum in  `$my_seq 1 $pages`; do
 		# ... get crop co-ords. They're off by ~2 as I don't know how to
 		# properly correct for the border.
 		cropcords=$(convert -border 1x1 -bordercolor '#000' -resize 1000% -trim -fuzz 90% -format "%wx%h%O" $outdir/scanpg-mask-${scanpgnum}.png info: || exit 1)
-		
+
 		# ... crop and despeckle? the final pre-prepared image
 		convert $convertflags -crop $cropcords $binscanpg  $cleanscanpg || exit 1
 	fi;
@@ -190,13 +190,22 @@ for scanpgnum in  `$my_seq 1 $pages`; do
 			convert $convertflags -resize 10% -depth 8 -gamma 0.01 -median 2 $physpg $outdir/physpg-mask-${scanpgnum}-${physpgnum}.png ||exit 1
 
 			# Trim #-border 1x1 -bordercolor '#fff' -trim -fuzz 30% 
-			cropcords=$(convert -trim -fuzz 90%\
+			# binarise is so effective, try something << 90%
+			cropcords=$(convert -trim -fuzz 50%\
 			 -resize 1000% -format "%wx%h%O" $outdir/physpg-mask-${scanpgnum}-${physpgnum}.png info: || exit 1)
 		
+			[[ $verbose ]] && echo Crop co-ords: $cropcords
+
 			# ... crop and despeckle? the final pre-prepared image
 			convert $convertflags -crop $cropcords $physpg $cleanphyspg || exit 1
 		fi;
-		
+
+		# check it hasn't mostly disappeared, warn viciously if it has!
+		if [[ $(convert  $cleanphyspg -format '%[fx:s.w*s.h>1000]' info:) = "0" ]]; then
+			echo "Warning: discarding physical pg ${scanpgnum}-${physpgnum}: not enough remains after masking."
+			continue;
+		fi;
+
 		#detect if the page is 2-up
 
 		if [[ $logperphys == 2 ]] || ( [[ $logperphys != 1 ]] && $(dirname $0)/detect2pages.sh ${cleanphyspg} ${scanpgnum} ${physpgnum} ); then
@@ -214,8 +223,8 @@ for scanpgnum in  `$my_seq 1 $pages`; do
 		convert $convertflags $outdir/logpg-${scanpgnum}-${physpgnum}-?.pnm $outdir/logpg-${scanpgnum}-${physpgnum}-%01d.png || exit 1
 
 		#final convert and clean w/ bebook optimisation
-		if [[ $bebook ]]; then
-			convert $convertflags $outdir/logpg-${scanpgnum}-${physpgnum}-?.pnm -trim -fuzz 80% -resize 1200x1600 $outdir/final-${scanpgnum}-${physpgnum}-%01d.${extension} || exit 1
+		if [[ $bebook ]]; then #1200x1600
+			convert $convertflags $outdir/logpg-${scanpgnum}-${physpgnum}-?.pnm -trim $outdir/final-${scanpgnum}-${physpgnum}-%01d.${extension} || exit 1
 		else
 			convert $convertflags $outdir/logpg-${scanpgnum}-${physpgnum}-?.pnm $outdir/final-${scanpgnum}-${physpgnum}-%01d.${extension} || exit 1
 		fi
@@ -224,13 +233,13 @@ for scanpgnum in  `$my_seq 1 $pages`; do
 
 done
 
-#try full ocr
-rm -rf $outdir/logpgs
-ocropus book2pages $outdir/logpgs $outdir/logpg-*.png
-ocropus pages2lines $outdir/logpgs
-ocropus lines2fsts $outdir/logpgs
-ocropus fsts2bestpaths $outdir/logpgs
-ocropus buildhtml $outdir/logpgs > $outdir/out.html
+#don't try full ocr, it's a waste of time.
+#rm -rf $outdir/logpgs
+#ocropus book2pages $outdir/logpgs $outdir/logpg-*.png
+#ocropus pages2lines $outdir/logpgs
+#ocropus lines2fsts $outdir/logpgs
+#ocropus fsts2bestpaths $outdir/logpgs
+#ocropus buildhtml $outdir/logpgs > $outdir/out.html
 
 mkdir -p $outdir/pages
 mv $outdir/final-*.${extension} $outdir/pages