Braille character recognition
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BOLD TEXT Hai i need a help.. im doing my final year project in title braille character recognition since braille is different with other character i cant use the normal OCR codings to convert them in english text.. i managed to crop them by finding the brailles grid but then i don't know how to match these cropped original images with the template images... is the any ideas hw i cud do this.. pls help im stuck!
Sean de Wolski on 31 Mar 2011
One easy way: minimum absolute differences. Rescale each character so it is the same size as a set of templates (contained in slices of a 3-d matrix). Use BSXFUN to subtract the actual image from all of the templates and sum the absolute values of this. The minimum one is the match.