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Removing lots of red stains on photo

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  #1  
Old 12-16-2007, 12:06 AM
Gerald McClaren Gerald McClaren is offline
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Removing lots of red stains on photo

I would like to know how can I remove these stains. I had used the channel method but I still had a lot of stains.


Gerald McClaren
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File Type: jpg Thelma-and-Bernard100(3).jpg (95.4 KB, 224 views)
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Old 12-16-2007, 01:29 AM
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DCobb DCobb is offline
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Re: Removing lots of red stains on photo

This was just a very quick try with still a lot of work to be done. The whole picture was done, but I am posting with combined images for comparison. I found the stains to be magenta. The CMYK color space has a magenta slider which might be helpful. Also, replaced the background drapes. I am attaching a copy of a background drape in the event you do not have one. I sized it to match your posted picture.

dc
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File Type: jpg redspots.jpg (152.8 KB, 151 views)
File Type: jpg curtain.jpg (175.0 KB, 72 views)

Last edited by DCobb; 12-16-2007 at 01:44 AM.
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  #3  
Old 12-17-2007, 12:30 PM
Gerald McClaren Gerald McClaren is offline
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Re: Removing lots of red stains on photo

DCobb, what method did you use to remove the reddish spots or stains? Thanks for the drapes.

Gerald McClaren
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Old 12-17-2007, 01:27 PM
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Re: Removing lots of red stains on photo

Sounds like a job for the healing tool.
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Old 12-17-2007, 07:34 PM
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Re: Removing lots of red stains on photo

I managed to get rid of the spots by blurring behind recognition a and b after having changed to Lab mode...

The colours were strongly bleeding into each other .... but with the help of a layer mask the problem was solved ...
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  #6  
Old 12-17-2007, 08:21 PM
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Enkay Enkay is offline
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Re: Removing lots of red stains on photo

Quote:
Originally Posted by Flora View Post
I managed to get rid of the spots by blurring behind recognition a and b after having changed to Lab mode...

The colours were strongly bleeding into each other .... but with the help of a layer mask the problem was solved ...
I really like what you did. Do you think you could provide some more detail about the whole process?

I would like to know how you fixed the overall tones and got such good contrast out of every cloth... Also how much blurring did you do because not matter how much blurring I did on the a & b channels I couldnt get the spots completely off the way you did with the method you described!

EDIT: I used the healing tool to remove the stains. Removing some saturation in the magentas seems to have helped differenciate between the grey of the suit, the black of the bowtie and the dark blue part of her shirt. Still not getting the same rich colors you have!

EDIT2: lowering the saturation and lightness of the reds with a mask seems to work well to remove the stains on the clothing.

Last edited by Enkay; 12-17-2007 at 09:05 PM.
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Old 12-17-2007, 09:45 PM
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klassylady25 klassylady25 is offline
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Re: Removing lots of red stains on photo

Lab mode is something I'd like to learn more about.
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Old 12-17-2007, 10:40 PM
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Craig Walters Craig Walters is offline
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Re: Removing lots of red stains on photo

nice job, flora. i've not seen you use Lab before. interesting technique. would have never thought of blurring a and b to substitute for clone/heal.
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Old 12-17-2007, 10:51 PM
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Re: Removing lots of red stains on photo

Gerald, here is another approach you can try.
For the moment, ignore the stains. Duplicate the background layer and apply a curves or level adjustment to bring the overall color back in line (more green, less red, so that the man's skin is brown instead of magenta).
Now take a look at the original background and you will notice that the Blue channel is a disaster, the red is pretty bad, but the green channel has pretty even luminosity and the stains do not show much.
OK, so now go back to the top layer whose color you corrected somewhat and go Image>Apply Image. Select the Green channel of the background layer and change the blend mode to Normal, then click ok. The layer will be grayscale. Change the blend mode of that layer to Luminosity.
Next add a blank layer on top of the image and change its blend mode to Color. Now select the Brush tool and using the Alt+the eye dropper sample an adjacent area of good color and paint over the stains. The can paint over the damaged areas fairly quickly.
For the curtains, I ran Noiseware on it using a mask to protect the rest of the image , and used the healing brush to remove the white spots
Regards, Murray
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  #10  
Old 12-17-2007, 11:57 PM
Gerald McClaren Gerald McClaren is offline
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Re: Removing lots of red stains on photo

Flora and Mistermonday excellent job on removing all those stains. Flora, can you please elaborate in more detail how you had remove those stains. Your method would be priceless to us. Mistermonday, I'll try your method and see how it will come out.

Gerald McClaren
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