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Horikawa
 Post subject: Removing Gloss From Page?
PostPosted: Sun Feb 28, 2016 5:28 pm  (#1) 
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GIMP Version: 2.8.14
Operating System: Windows
GIMP Experience: New User



So basically, what I'm aiming to do is take a book scan like the one attached ...

And remove the left-side discolouration from the scanner light.


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akovia
 Post subject: Re: Removing Gloss From Page?
PostPosted: Sun Feb 28, 2016 8:30 pm  (#2) 
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Posts: 133
I hope you find an answer. I've always had to clone/heal it out by hand.
I worked on one just yesterday bit it wasn't nearly as bad.

Attachment:
File comment: Before
Shakugan no Shana - Background Raw.jpg
Shakugan no Shana - Background Raw.jpg [ 1.23 MiB | Viewed 4389 times ]

Attachment:
File comment: After
Shakugan no Shana - Background.jpg
Shakugan no Shana - Background.jpg [ 1.1 MiB | Viewed 4389 times ]

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Some of my work.

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Wallace
 Post subject: Re: Removing Gloss From Page?
PostPosted: Sun Feb 28, 2016 8:35 pm  (#3) 
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Posts: 14268
Location: Native to NYC living in Arizona, Gimp 2.8 - 3.0, Win 11 PC.
Horikawa wrote:
GIMP Version: 2.8.14
Operating System: Windows
GIMP Experience: New User



So basically, what I'm aiming to do is take a book scan like the one attached ...

And remove the left-side discolouration from the scanner light.

Have you tried covering the image with black paper or cloth
and positioning the scan image in the center of the scan surface?

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Horikawa
 Post subject: Re: Removing Gloss From Page?
PostPosted: Mon Feb 29, 2016 6:24 pm  (#4) 
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Rescanning isn't an option quite yet. Just because it's on the other side of the country.
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Wallace
 Post subject: Re: Removing Gloss From Page?
PostPosted: Mon Feb 29, 2016 6:38 pm  (#5) 
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Location: Native to NYC living in Arizona, Gimp 2.8 - 3.0, Win 11 PC.
Horikawa wrote:
Rescanning isn't an option quite yet.
Just because it's on the other side of the country.

Oh, never mind...
:oops:

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Pat625
 Post subject: Re: Removing Gloss From Page?
PostPosted: Mon Feb 29, 2016 7:09 pm  (#6) 
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Posts: 4693
Wallace: I once saw a scm by sg: Script-fu-sg-de-mirror, but I have no instruction on it and my add on manager gives me an error where ever I put it. Do you or anyone else have knowledge of this? I thought it might help. Also I have some photos with some reflective mirroring that I wanted to try this on.
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Wallace
 Post subject: Re: Removing Gloss From Page?
PostPosted: Mon Feb 29, 2016 9:29 pm  (#7) 
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Location: Native to NYC living in Arizona, Gimp 2.8 - 3.0, Win 11 PC.
Pat625 wrote:
Wallace:
I once saw a scm by sg: Script-fu-sg-de-mirror,
but I have no instruction on it and my add on manager gives me an error where ever I put it.
Do you or anyone else have knowledge of this?
I thought it might help.
Also I have some photos with some reflective mirroring that I wanted to try this on.

Sorry Pat625,
unfortunately I don't know anything about that script, or it's usage.
:puzzled

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Horikawa
 Post subject: Re: Removing Gloss From Page?
PostPosted: Tue Mar 01, 2016 9:43 am  (#8) 
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Joined: Feb 28, 2016
Posts: 3
Wallace wrote:
Pat625 wrote:
Wallace:
I once saw a scm by sg: Script-fu-sg-de-mirror,
but I have no instruction on it and my add on manager gives me an error where ever I put it.
Do you or anyone else have knowledge of this?
I thought it might help.
Also I have some photos with some reflective mirroring that I wanted to try this on.

Sorry Pat625,
unfortunately I don't know anything about that script, or it's usage.
:puzzled


Well I got this script to work, but no idea how it's supposed to help.
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bilbo9955
 Post subject: Re: Removing Gloss From Page?
PostPosted: Wed Mar 02, 2016 9:26 am  (#9) 
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Joined: Jul 11, 2010
Posts: 349
The Script-fu-sg-de-mirror script says it will "Produce layers that allow subtracting particular hues." Not sure it applies here.
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