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Software Photoshop, Lightroom, Paintshop Pro, Painter, etc., and all their various plugins. Of course, you can also discuss all other programs, as well.

Digital Roc for restoring color

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  #1  
Old 10-14-2002, 11:20 AM
Royce Royce is offline
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Digital Roc for restoring color

Hi all, I'm trying to restore the color to a faded picture. I have a demo CD of Digital Roc and was wondering if anyone had experience with this or other software for restoring color. All responses are appreciated.

I tried to search the forum for references to this software, but 'Roc' is less than 4 characters, so I couldn't search for it!

Thanks in advance,
Royce
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Old 10-14-2002, 11:45 AM
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Tim_S Tim_S is offline
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Royce,

I have the ROC demo too, as well as the version built in to my Minolta scanner. I have played with it a bit, and find that some times it works wonderfully, and other times it fails miserably, and there is little in-between. I never developed much skill with the controls since what I found was that it either did well automatically, or in those cases it didn't work well, fiddling with the controls did little to improve it.

You can try color correcting it with Photoshop. The best books I've found on color correction are by Dan Margulis. Check out "Professional Photoshop 6" (or is there a 7 now?). Try not to be put off by his strong opinions and demeaning attitude toward anyone not working in pre-press, because what he can teach about color easily worth it.

I have tried a plug-in called ColorMechanic which is great for adjusting a narrow range of colors at one time. I'm not sure it would work for a badly faded image.

Do you have a particular picture you are working on? If you cold post it, there are many people here who could give some specific suggestions based on the picture...

--tks
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Old 10-14-2002, 01:49 PM
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Ed_L Ed_L is offline
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I'm not familiar with Digital Roc, so I can't offer an opinion on it. But if you have a scanner, and you use Vuescan software (a great buy here ), there is an option to restore colors when scanning. I've only used it a couple of times, but the results were impressive.

Ed
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Old 10-14-2002, 05:59 PM
Royce Royce is offline
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Digital ROC in action - Before Pic

Ok.. I loaded Digital ROC and here are the before and after pictures...
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File Type: jpg 6650_00 before roc.jpg (89.4 KB, 92 views)
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Old 10-14-2002, 06:01 PM
Royce Royce is offline
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Digital ROC in action - After Pic

Ok..here is the after pic... Sorry for 2 posts, but I wasn't sure how to post two pictures at once.
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File Type: jpg 6650_00 after roc.jpg (93.0 KB, 92 views)
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Old 10-14-2002, 07:10 PM
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KenB KenB is offline
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Photoshop's curves or levels do a pretty good job on color correction problems. I'm attaching an example, did this really fast.

Ken
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File Type: jpg 6650_00_kb.jpg (94.3 KB, 80 views)
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Old 10-14-2002, 07:49 PM
Royce Royce is offline
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Digital ROC vs PS

Thanks Ken, I tried PS also but I wasn't nearly as successful. Levels changed all of the colors equally, and I'm a coward when it comes to curves. Can you summarize the steps you took in PS to get your image?

Thanks,
Royce
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Old 10-14-2002, 08:05 PM
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Royce, In the levels dialog box change the channel to a specific channel. red in the case of your image and adjust just the red channel, then I think I moved on and adjusted the green channel a bit, from there it was just a little adjustment of the contrast and the brightness. Curves can also be used on a specific channel instead of all channels at once.


Ken
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Old 11-03-2002, 12:29 PM
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roger_ele roger_ele is offline
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Royce, I have digital ROC and find that it usually does the correction to intensly for my tastes. Here is the correction I did with the steps ...

1)added a levels adjustment layer, clicked OK without correction and changed blending mode to Multiply. Opened levels adjustment layer and pulled shadow slider on the left to the right a little (not all the way to the blacks, I like an illusion of detail.

2)added a curves adjustment layor, clicked the white eyedropper and clicked on the white barn, then adjusted to taste in each channel. clicked grey eyedropper and clicked on the road until I got close to what I liked, then adjusted each channel slightly to taste.

That's it ... I judge color accuracy by the variety of colors shades that I can see with-in an area, like the road or the field.

Hope this helps - and thanks for the fun.
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Old 11-03-2002, 12:37 PM
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roger_ele roger_ele is offline
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sorry - new to this, the after image doesn't appear to have attached - here it is - keeping my fingers crossed

Also - I darkened the image a little in the levels adjustment layer with the mid tone slider and I darkened the image in the curves adjustment layer with the overall RGB curve.
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File Type: jpg 6650_00-after.jpg (86.4 KB, 45 views)

Last edited by roger_ele; 11-03-2002 at 01:54 PM.
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