Re: [Gimp-user] How to flatten images of book page
- From: Steve Kinney <admin pilobilus net>
- To: gimp-user-list gnome org
- Subject: Re: [Gimp-user] How to flatten images of book page
- Date: Thu, 21 Mar 2013 17:42:56 -0400
On 03/21/2013 12:17 PM, Rob Antonishen wrote:
I wrote a plugin to correct such distortion by drawing two paths:
http://registry.gimp.org/node/19214
Here is a sample I ran on the page you provided:
http://www.majhost.com/gallery/ffaat/gimp/more2/corrected.jpg
I had to use it twice, once to correct the horizontal page bending,
and once to correct the camera barreling after rotating the image.
Very nice!
In similar cases I have used the Perspective Tool in "Corrective
(Backward) mode to square up warped photos-of-photos and documents,
sometimes followed by running Filters > Distorts > Lens Distortion
against all or part of the image.
The Distortion Correction Between Paths plugin adds another useful
tool to the "bent document correction" arsenal; my initial
experiments seem to indicate it will be especially effective with
photos of pages in books and similar geometries.
:o)
Steve
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