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Cleaning up jpeg artefacts with Imagemagic?

Posted: 2013-10-24T04:24:39-07:00
by joew
Hello,

I have scanned a bunch of documents, which I'd like to run through OCR and archive. Unfortunately, the scanner supports only high jpeg compression, so I got lots of artefacts.

I searched the web for methods to remove those artefacts with imagemagic. But I found only a guide for GIMP (http://plasmasturm.org/log/124/)

Any hints how this could be translated with imagemagick?

Re: Cleaning up jpeg artefacts with Imagemagic?

Posted: 2013-10-24T06:51:38-07:00
by snibgo
IM has similar tools for blurring and sharpening. If you post up a sample, someone might experiment.

Re: Cleaning up jpeg artefacts with Imagemagic?

Posted: 2013-10-25T03:42:07-07:00
by joew
How can I upload such an image?

Re: Cleaning up jpeg artefacts with Imagemagic?

Posted: 2013-10-25T04:34:56-07:00
by snibgo
Put it on the web somewhere, such as dropbox.com, and paste the URL here.