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Help | Jlopez | 31 Dec 04:00 |
Help | Guy Stalnaker | 01 Jan 17:36 |
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I have a damaged picture and would like feedback on what should be done
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JLopez,
That's a fairly open-ended request as "damage" can cover a great variety of things. May I recommend several things you can look at to get a sense for the variety of approaches one can take for "damage" in digital images:
A technique for dealing with physical damage, e.g., scratches, etc., is the wavelet-decompose tool. The idea behind it is that damage may be limited to certain ranges of an image's detail. Wavelet-decompose breaks an image into a specified set detail levels allowing you to work on them in isolation. Pat David's tutorials show how this is done. It is the *primary* took I used in my own work in "fixing" old family photographs many of which are covered in fine cracks/scratches. It is time-intensive but can yield remarkable results, sometimes magical results!
https://patdavid.net/2014/07/wavelet-decompose-again.html
A more general book, not as in-depth as one might wish but which covers a more broad set of "damage" including color issues, is this book which is also GIMP specific (unlike most other books that are Photoshop specific).
The Bible of these types of guides is Ctein's "Digital Restoration ..." --
it is, unfortunately, a Photoshop book and thus it's not possible to map
the techniques used to GIMP use. Also, the author makes a fair number of
assumptions about Photoshop knowledge, so that it is not always clear what
he's doing. But the range of techniques he uses will give you a good
understanding of the may ways one can approach fixing "damage"
o
https://www.amazon.com/Digital-Restoration-Start-Finish-Photographs/dp/1138940259/ref=sr_1_1?s=books&ie=UTF8&qid=1514826231&sr=1-1&keywords=ctein
Hope this helps some -- really, really recommend Pat David's blog. He as many well written, informative guides for all sorts of things which you might adapt for your particular needs.
Follows are links to a variety of sources I've saved over the years into Evernote. You may find useful things here for the types of damage your photo has:
https://brainbyproduct.wordpress.com/2007/07/09/even-better-healing-without-the-magic-tool/ http://gimpchat.com/viewtopic.php?f=23&t=8020 http://www.gimptalk.com/index.php?/topic/28265-removing-scratches-from-old-bw-photo/ https://hubpages.com/art/Gimp-tutorial-for-the-Wavelet-Decompose-plug-in http://www.graphics.com/article/removing-spots-dust-and-scratches-photographs-gimp https://www.photo.net/discuss/threads/fixing-a-blotchy-sky-in-photoshop.382098/ http://phototechmag.com/color-correction-made-easier/ http://www.graphics.com/article/removing-spots-dust-and-scratches-photographs-gimp https://digital-photography-school.com/precise-color-cast-correction-with-gray-fill-layers/ http://gimpchat.com/viewtopic.php?f=18&t=6505 http://gimpchat.com/viewtopic.php?f=18&t=13181 https://www.youtube.com/watch?v=cvA9KmLg7sY wrote:
I have a damaged picture and would like feedback on what should be done
-- Jlopez (via www.gimpusers.com/forums) _______________________________________________ gimp-user-list mailing list
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