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A versatile tool has been created, with user‐friendly interface, for the rapid and efficient conversion of printed Tamil books to Braille books for the use of persons with visual disability. The tool has been developed in Java using Eclipse SWT and runs on Linux, Windows and Mac operating systes. This tool has been developed as an open source project and is available under the Apache 2.0 license from code.google.com. An individual scanned page or all the pages of a whole book can be recognized by this tool. The average time taken for
digitizing a Tamil page is two seconds. The output can be savedin RTF, XML or BRF (Braille) format directly, by the click of a button. There is a provisionfor manually selecting the indi‐vidual columns of a two‐column printed page or even marking the individual rectangular text blocks of a page with a more complex Manhattanlayout. The user can modify the reading order of the so‐selected text blocks. This information of ordered text blocks is passed on to the Tamil OCR integrated at the backend of the tool and hence the recognized Tamil
text in Unicode is put together in the same reading order. In the case of books with identical or very similar text layouts across its pages, such an user‐defined layout can be saved as a custom layout and automatically applied to segment the other pages of the same book or a different book also.

Added on August 5, 2014


  More Details
  • Product Type : Research Paper
  • License Type : Freeware
  • System Requirement : Not Applicable
  • Author : Shiva Kumar HR, AG Ramakrishnan
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