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Photo Restoration Repairing damaged photos

Quick De-cracking Action results

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  #1  
Old 12-08-2001, 11:15 PM
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Quick De-cracking Action results

OK Tim, here's the results I got running the De-cracking action on 3 different cracked photos. I also compared the various High pass settings to see the results.

Here's the original version of the the first photo. It's the family photo from the Beyond Redemption restoration challenge.
DJ
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File Type: jpg family orig.jpg (83.5 KB, 113 views)

Last edited by DJ Dubovsky; 12-08-2001 at 11:30 PM.
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Old 12-08-2001, 11:17 PM
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Here's the same photo using the minimum high pass setting of 0.4. You can see a definate difference using the de-crack technique.
DJ
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File Type: jpg family 0.4.jpg (93.1 KB, 97 views)
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Old 12-08-2001, 11:19 PM
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Here's the same photo again at the medium setting of 1.5. The difference although significant from the original bares little difference from the minimum setting.
DJ
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File Type: jpg family 1.5.jpg (93.1 KB, 72 views)
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Old 12-08-2001, 11:22 PM
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Here's that photo at the high setting of 4.0. It seems to be little difference from the lowest setting of 0.4. I still think this is a good technique but I thought these results were interesting.
DJ
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File Type: jpg family 4.0.jpg (94.2 KB, 63 views)
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Old 12-08-2001, 11:22 PM
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Here is the second photo original condition.
DJ
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File Type: jpg bar scene orig.jpg (92.6 KB, 60 views)
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Old 12-08-2001, 11:24 PM
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Here is that same photo after running de-crack on it. This was done at a high pass setting of 5.0 which is higher then the heaviest setting. There is little change in this photo. Not the drastic difference I noticed in the family photo.
DJ
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File Type: jpg bar scene 5.0.jpg (91.8 KB, 56 views)
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Old 12-08-2001, 11:25 PM
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Here's the third photo I tried it on. This is the original photo.
DJ
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File Type: jpg muscles orig.jpg (91.1 KB, 44 views)
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  #8  
Old 12-08-2001, 11:27 PM
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Here it that same photo at a high pass setting of 5.0. Again there is not much difference from the original. I am not sure what the difference is from the first photo or other photos that it worked significantly on. This is just a demonstration of the varied results that can be expected in using this technique.
DJ
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File Type: jpg muscles 5.0.jpg (88.5 KB, 43 views)
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  #9  
Old 12-08-2001, 11:44 PM
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Wow, DJ. That was a lot of work, and some very interesting results. It appears that this techique works best when the substrate paper is showing through (ie: much whiter than anything in the image). I guess we could cheat and manipulate the curve beforehand to make sure that was the case, then adjust back afterwards.

I notice in the bar scene he looks a little sleepier in the actioned one than in the original. Some eye detail changed. That's what makes me think this should be done only after we make sure the paper is the whitest thing in the image.

I wonder if there's an equal and opposite action for dark cracks and spots. Tim?
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  #10  
Old 12-09-2001, 12:01 AM
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Thanks Doug. It really wasn't that much work with that action. If I had to do it manually that might be the case.

Interesting observations on the bar scene and your ideas for building upon it's abilities.
Dj
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