On 4/19/09, Debayan Banerjee <debaya...@gmail.com> wrote:
> Does anyone know of any libraries that can transliterate bengali to
>  english. There are tools to the reverse. I need this to solve the last
>  remaining road-block in OCR.
>  The thing is Tesseract-OCR uses a data structure called
>  directed-acyclic-word-graph to store dictionaries for lookup. After an
>  OCR has been performed the OCR system matches the output with entries
>  in this d.a.w.g. file. Unfortunately the data structure is not suited
>  to complex scripts like ours
>  
> <http://groups.google.com/group/tesseract-ocr/browse_thread/thread/5495c4e348a4b272/a6dcfe5d92babb35?lnk=gst&q=dawg%2Bwieghts#a6dcfe5d92babb35>.
>  There are 2 solutions. 1) I figure out a suitable data structure that
>  handles Indic script and implement. 2) I transliterate the entire
>  dictionary and the OCR output to english (26 characters instead of the
>  500 odd for bengali) and then match. I think this should work.
>  Any suggestions?

Take a look at the uni2rb.py script in

http://bocra.svn.sourceforge.net/viewvc/bocra/bocra/trunk/src/python/

-Deepayan

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