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

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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 OCR backend
=========== ===========
Mayan EDMS ships an OCR backend that uses the FLOSS engine Tesseract, but it can Mayan EDMS ships an OCR backend that uses the FLOSS engine Tesseract
use other engines. To support other engines a wrapper that subclasess the (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 ``OCRBackendBase`` class defined in mayan/apps/ocr/classes. This subclass should
expose the ``execute`` method. For an example of how the Tesseract backend 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`` 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"`` 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