tensorflow-gpu < 2.0  # Needed for sbb_text_linedetector

ocrd >= 2.0.0

https://github.com/mikegerber/ocrd_kraken/archive/fix/pass-down-page-id.tar.gz  # XXX ocrd_kraken >= 0.1.1

ocrd_tesserocr

https://github.com/mikegerber/ocrd_calamari/archive/6949876.tar.gz

https://github.com/qurator-spk/sbb_textline_detector/archive/1446d7c6.tar.gz

https://github.com/qurator-spk/dinglehopper/archive/c305539.tar.gz