[accessibleimage] Re: Imagine Cup, Kurzweil-NFB Reader, Black Sun, art sculpt

Hi Chris,
Would it be possible to turn the filter on and off? That the user could
control that? And if a font was designed to be super clear so small?
Thanks,
Lisa


accessibleimage@xxxxxxxxxxxxx skrev 4. juli 2006 kl. 19:27 +0000:
>OCR works by searching for edges in an image and then rendering them using
>an fft algorithm.  It then uses some very sophisticated pattern
>recognition
>algorithms to determine if something is a character or just schmootz. 
>Very
>small text presents a problem as a filter designed to remove speckles and
>other crud that may appear on the paper might think it is dirt or dust on
>the lens and remove it before the edge detection and OCR is even executed.


Lisa Yayla
Huseby Kompetansesenter 
Oslo Norway
lisa.yayla@xxxxxxxxxx

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