LibraryOfCongress

LibraryOfCongress/ndnp-open-ocr

An open-source pipeline developed by the Library of Congress for reprocessing the OCR of National Digital Newspaper Program (NDNP) data. The application efficiently creates new ALTO XML and PDF files at scale, can be deployed locally or in common cloud environments, uses Tesseract Open-Source OCR engine and custom post-processing steps.

1 good first / help-wanted issue · Python · last activity Sep 29, 2026

1 Open Issue Need Help Last updated: Sep 29, 2026

Open Issues Need Help

View All on GitHub
LibraryOfCongress/ndnp-open-ocr
29

An open-source pipeline developed by the Library of Congress for reprocessing the OCR of National Digital Newspaper Program (NDNP) data. The application efficiently creates new ALTO XML and PDF files at scale, can be deployed locally or in common cloud environments, uses Tesseract Open-Source OCR engine and custom post-processing steps.

Python