[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Bug-ocrad] Feature Request for less noisy output
From: |
Gareth |
Subject: |
Re: [Bug-ocrad] Feature Request for less noisy output |
Date: |
Fri, 25 May 2007 16:01:54 +0100 |
I wrote a little processing script which you might find usefull.
See http://www.gbnetwork.co.uk/mailscanner/gbpgmdiff/
On Fri, 2007-05-25 at 15:50, Uwe Dippel wrote:
> Here we have to do with plenty documents with lots of white space.
> A usual headache are patches (lines) of streaky noises, in between valid
> text lines.
> I have now started to write a filter; using -x and then extracting the line
> numbers from there, and store the line numbers with low height. Then I split
> the OCR-ed text into its lines to purge those lines from the text.
> Cumbersome, I thought. And then I had the impression that this might be done
> much easier within ocrad; with an option, somewhat like
> ocrad -h <height>
> that simply suppresses the output of lines with a height of <height> or
> lower.
> In my humble opinion, the file created with -x should still show everything.
> But text output would be much cleaner from dirt and dust, when any 'line' of
> a height below a certain threshold is simply dropped when using this option.
> I am well aware, that this would as well drop a straight, horizontal line,
> though, but would not matter in our case. We fight much more with patches
> and dots of dirt on the scanner surface, that usually screw up inter-line
> white-space; adding dots, dashes and underscores into the text.
>
> Uwe
> _______________________________________________
> Bug-ocrad mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/bug-ocrad