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Philipp Zumstein edited this page May 14, 2017 · 30 revisions

Older versions of ocropus

LSTM-based versions

LSTM-based OCR engine only

LSTM-based OCR engine and the OCR engine from v0.6

See also https://github.com/tmbdev/ocropy/releases.

Older versions

In the old days there was a main 'ocropus' repository with references to 'ocropy' and other sub-repos. The versions were attached to the main repository, but we have now retro-perspectively added these version numbers also to the ocropy repository to corresponding commits of the same time.

ocropy repository

ocropus repository

  • v0.? ????-??-??
  • v0.4.4 2010-03-24
  • v0.4 2009-05-31
  • v0.3 2008-10-15
  • v0.2 2008-05-30 "Alpha 2"
  • v0.1.1 2007-12-14: "This is the first maintenance release of OCRopus Alpha, which introduces closer cooperation with Tesseract to improve speed and accuracy. It also fixes several portability issues."
  • v0.1.0 2007-10-22: "The first packaged release aims to stabilize the interfaces of the involved components and provides a first version of the scripting functionality for OCRopus based on Lua. It also includes some more preprocessing functionality for document images and a MLP based character classifier."
  • Announcing the OCRopus Open Source OCR System April 9, 2007 and remark in old CHANGES: "The Ocropus svn was opened to the public in April 2007 in order to give a first preview of the project. The Technology Preview internally combined Tesseract 1.x with some Layout Analysis algorithms.In this stage, a basic system was already working but the whole architecture was still changing as well as the interfaces for the respective modules / components."
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