Re: Subtitle extraction via OCR

[Mathias Brodala <info noctus net>]

Hi Liam.

Liam R E Quin, 31.07.2007 02:03:
> On Tue, 2007-07-31 at 01:13 +0200, Mathias Brodala wrote:
>>> I've yet to use any open source OCR package that has been less effort than
>>> rekeying -- commercial OCR software is workable though.
>> Hm, is libgocr that bad? (As an example.)
> Yes.
> 
> There's one from Google that may be slightly better,
> tesseract, as it's based on what was originally proprietary
> code written in the 1980s.
> http://code.google.com/p/tesseract-ocr/

Yeah, I heard of that one before.

> If you have some samples I can run them through Abby FineReader and also
> gocr (and maybe tesseract) if it is of use to you.

Yes, please. It’d be interesting to know how well these tools perform. Take this
example:

http://download.noctus.net/mov/shny06.avi

It’s one of the simpler parts.

> If you have only one font, you might be able to do well with some
> pre-processing, and by training the software.

Yep, SubRip seems to be able to do this. But no GNU/Linux app …


Regards, Mathias

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