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✨ Use sbb_textline_detector to segment lines
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735e9599d7
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6 changed files with 49 additions and 11 deletions
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@ -59,7 +59,7 @@ do_fontident() {
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# any DEFAULT, yet -I DEFAULT seems to work for ocrd-typegroups-classifier
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}
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do_linesegmentation() {
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do_linesegmentation_tesserocr() {
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# Segment the lines in the binarized images
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remove_filegrp OCR-D-SEG-REGION mets.xml
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@ -76,6 +76,16 @@ do_linesegmentation() {
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# XXX compare ocrd-tesserocr-segment* vs tesseract native
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}
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do_linesegmentation_sbb() {
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# Segment the lines in the images
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remove_filegrp OCR-D-SEG-REGION mets.xml
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remove_filegrp OCR-D-SEG-LINE mets.xml
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ocrd_sbb_textline_detector -l $LOG_LEVEL \
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-m mets.xml -I OCR-D-IMG -O OCR-D-SEG-LINE \
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-p '{"model": "/var/lib/textline_detection"}'
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}
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do_ocr() {
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# Perform OCR on the segmented lines
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@ -123,16 +133,22 @@ page_fix_image_references() {
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done
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}
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page_workaround_remove_conf() {
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# XXX Work around https://github.com/OCR-D/core/issues/269
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page_fix_image_references_to_bin() {
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# Make image references point to the binarized images
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# XXX This is a hack, it is probably better to use alternative images in ocrd_calamari
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filegrp=$1
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local file
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for file in `ocrd workspace find -G $filegrp`; do
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xmlstarlet ed --inplace \
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-N 'page=http://schema.primaresearch.org/PAGE/gts/pagecontent/2019-07-15' \
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-d '//page:TextEquiv/@conf' $file
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# Arrays with filenames to the images
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imgs=(`ocrd workspace find -G OCR-D-IMG`)
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imgs_bin=(`ocrd workspace find -G OCR-D-IMG-BIN`)
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# Change all image references to point to the corresponding binarized image
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for i in ${!imgs[@]}; do
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sed -i "s!imageFilename=.${imgs[$i]}.!imageFilename=\"${imgs_bin[$i]}\"!g" $file
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done
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done
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}
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@ -146,6 +162,14 @@ page_downgrade_to_2018() {
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done
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}
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page_upgrade_to_2019() {
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filegrp=$1
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local file
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for file in `ocrd workspace find -G $filegrp`; do
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sed -i 's#pagecontent/[0-9-]*#pagecontent/2019-07-15#g' $file
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done
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}
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pip3 list
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@ -158,9 +182,11 @@ do_binarization
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do_validate
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do_linesegmentation
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page_validate_xml OCR-D-SEG-REGION
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page_validate_xml OCR-D-SEG-LINE
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do_linesegmentation_sbb
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page_fix_image_references_to_bin OCR-D-SEG-LINE
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page_upgrade_to_2019 OCR-D-SEG-LINE
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page_validate_xml OCR-D-SEG-REGION
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page_validate_xml OCR-D-SEG-LINE
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do_validate
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