Robert Cummings wrote:
On Fri, 2007-06-29 at 11:32 -0500, Jay Blanchard wrote:
[snip]
I am looking for a way to incorporate some simple OCR into a php script.
The
user will bulk scan a pile of invoices. I want the php script to look at
each
invoice and read a number off the invoice. The image will then be
renamed,
and be organized into a directory and the file name will be added to a
database. (all of these steps are straight forward once the number is
read.)
I have no problem with a system that requires a special OCR font and/or
some
sort of registration mark to help locate the Invoice number. Can anybody
tell
me of any tools out there that can do this?
[/snip]
In short PHP cannot perform OCR functions. You could insert an OCR
application into the process and have the OCR app pass PHP the
information.
Why can PHP not perform OCR functions?
Cheers,
Rob.
It's not so much impossible to perform OCR as it is unrealistic to do
so. PHP contains only the very most basic support for such things, not
to mention there are barely any (OS) libraries for PHP to do this, it's
simply not realistic to try and make one if you're "on your own". Other
languages (ie. C) have libraries, written by people specifically for
this purpose, so it seems clear to me: PHP is (currently) not the most
realistic language to try and do OCR with, instead it'd be a lot easier
(at this point) to "borrow" from another. Be this a low-level library in
C, or a full-blown package, it doesn't matter.
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