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Add tesseract homepage link and note on how to add extra languages.

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This commit is contained in:
Roberto Rosario
2016-10-24 01:20:43 -04:00
parent 9e7ffc1e99
commit d13c444312
1 changed files with 8 additions and 2 deletions
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docs/topics/ocr_backend.rst
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@@ -2,8 +2,9 @@
OCR backend
===========
Mayan EDMS ships an OCR backend that uses the FLOSS engine Tesseract, but it can
use other engines. To support other engines a wrapper that subclasess the
Mayan EDMS ships an OCR backend that uses the FLOSS engine Tesseract
(https://github.com/tesseract-ocr/tesseract/), but it can
use other engines. To support other engines crate a wrapper that subclasess the
``OCRBackendBase`` class defined in mayan/apps/ocr/classes. This subclass should
expose the ``execute`` method. For an example of how the Tesseract backend
is implemented take a look at the file ``mayan/apps/ocr/backends/tesseract.py``
@@ -13,3 +14,8 @@ OCR_BACKEND and point it to your new OCR backend class path.
The default value of OCR_BACKEND is ``"ocr.backends.tesseract.Tesseract"``
To add support to OCR more languages when using Tesseract, install the
corresponding language file. If using a Debian based OS, this command will
display the available language files:
apt-cache search tesseract-ocr