The following software is needed to run ocrodjvu:

* Python 2.6 or 2.7

* an OCR engine:

  + OCRopus_ 0.2, 0.3 or 0.3.1

  + Cuneiform_ ≥ 0.7

  + Ocrad_ ≥ 0.10

  + GOCR_ ≥ 0.40

  + Tesseract_ ≥ 2.00

* DjVuLibre_ ≥ 3.5.21

* python-djvulibre_

* argparse_ (only for Python 2.6)

* subprocess32_

* lxml_ ≥ 2.0

Additionally, some optional features require the following software:

* PyICU_ ≥ 1.0 —
  required for the ``--word-segmentation=uax29`` option

* html5lib_ —
  required for the ``--html5`` option

The following software is needed to rebuild the manual pages from
source:

* xsltproc_

* `DocBook XSL stylesheets`_


.. _OCRopus:
   https://code.google.com/p/ocropus/
.. _Cuneiform:
   https://launchpad.net/cuneiform-linux
.. _Ocrad:
   https://www.gnu.org/software/ocrad/
.. _GOCR:
   http://www-e.uni-magdeburg.de/jschulen/ocr/
.. _Tesseract:
   https://github.com/tesseract-ocr/tesseract
.. _DjVuLibre:
   http://djvu.sourceforge.net/
.. _python-djvulibre:
   http://jwilk.net/software/python-djvulibre
.. _argparse:
   https://pypi.org/project/argparse/
.. _lxml:
   https://lxml.de/
.. _subprocess32:
   https://pypi.org/project/subprocess32/
.. _PyICU:
   https://pypi.org/project/PyICU/
.. _html5lib:
   https://github.com/html5lib/html5lib-python
.. _xsltproc:
   http://xmlsoft.org/XSLT/xsltproc2.html
.. _DocBook XSL stylesheets:
   https://github.com/docbook/xslt10-stylesheets

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