Extracting text from .png images

John J. Lee jjl at pobox.com
Wed Oct 1 13:22:39 EDT 2003


"Henrik Berg Nielsen" <hbn at imada.sdu.dk> writes:

> I need to extract some text (well numbers actually) from a bunch of
> similarly looking .png images. After extraction the numbers will be fed to a
> Python script for further processing. Any good ideas on how to go about with
> this? I have no idea whatsoever about how to extract the numbers out of the
> images...

OCR is the TLA you're looking for ("Optical Character Recognition").

Dunno if there are any good free OCR engines.  With these sorts of
hard algorithms, you tend to get what you pay for.


John




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