eswyft/bookscan_utils
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rootless 2023-10-14 11:07:42 +03:00
parent d3b8bce6df
commit 0d78b76d6a
1 changed files with 13 additions and 4 deletions
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@ -1,15 +1,15 @@
Unite PDFs:
pdfunite IMG* union.pdf
pdfunite $(ls *.pdf | sort -n) union.pdf
Rotate 90 degress clockwise:
pdftk union.pdf cat 1-endeast output 1.pdf
Split vertically (use -x for horizontal split):
mutool poster -y 2 1.pdf
@ -19,6 +19,15 @@ Split into separate files, one page per file:
Check Djvu metadata:
djvused -e print-meta book.djvu
OCR:
To see list of languages:
tesseract --list-langs
To perform OCR (overwrites existing OCR layer):
ocrmypdf -l rus+eng+fra --redo-ocr --tesseract-timeout 3600 --tesseract-non-ocr-timeout 3600 -O 0 input.pdf output.pdf