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Thread started 13 Jun 2011 (Monday) 07:17
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Help fix color

 
domat
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Jun 13, 2011 07:17 |  #1

this is not the best picture but I have several with the same color to it. I am unable to correct it myself in LR. Hope you guys can give me some ideas on how to,

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René ­ Damkot
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Jun 13, 2011 07:31 |  #2

Raw or jpg?
https://photography-on-the.net …=calibration#po​st12369363


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Jun 13, 2011 08:46 as a reply to  @ René Damkot's post |  #3

Messed around in channel mixer in photoshop.

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tkerr
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Jun 13, 2011 09:34 |  #4

What is causing the atomic red?

But here is what I did to get it close to how it should probably look. It could have used more noise reduction and sharpening, but working with a downloaded forum jpeg I didn't want to invest too much time into it. I also see more red in the faces that could be corrected a little more.
On the right you will see the adjustments I made in ACR prior to moving it into PS, then on the right you can see he layers I used in Photoshop with the one highlighted to finish correcting the atomic red colors just to where it is now. Like I said it could still use more work, but not very likely to achieve good results working on a jpeg vs Raw when it needs this much work.
On Edit: I went back an included a Channel Mixer layer and tone the red down even more fore each channel.


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tkerr
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Jun 13, 2011 10:00 |  #5

This one was done solely in ACR, In addition to the adjustments applied originally in ACR shown above, this time I also adjusted the camera Calibration Colors. If this can be done in ACR it can also be done in LR.


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BTW, These do look better before I save for web and reduce the IQ to adjust for the allowable file attachment size here at POTN.

On Edit: Here are the camera calibration setting I added in ACR.

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kirkt
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Jun 13, 2011 11:07 |  #6

Based on the image you posted, it appears that the image was shot with a largish light source behind and to the photographer's right (like a window or doorway) in combination with tungsten lighting (especially in the background). The perfect segmentation of the wacked out artifacting on the subjects, with no effect on the background is weird too.

Hmmm, bizarre. The posted image has no exif data that might be useful in determining the history of this image and the reason for its appearance. The subjects almost look as if their green and blue channels were switched.

If this is an image that was shot raw, then you should post a link to download the raw file for further inspection and suggestions.

Kirk


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tkerr
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Jun 13, 2011 11:29 |  #7

kirkt wrote in post #12585322 (external link)
Hmmm, bizarre. The posted image has no exif data that might be useful in determining the history of this image and the reason for its appearance.


Kirk

Almost looks like someone tried to adjust the Hue and Saturation after converting the image to Lab.


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kirkt
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Jun 13, 2011 13:27 |  #8

tkerr - I edited my post above, before your comment - It appears as if the blue and green channels are swapped for the subjects, and the original green channel is buried in shadow (ie, way underexposed). This would account for the over-representation of magenta, but how everything got this way, with the background looking reasonably rendered (at least if my assumption about it is correct) is beyond me. That's why some history from the OP and a raw file with exif would be helpful.

Kirk


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René ­ Damkot
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Jun 13, 2011 13:38 |  #9

kirkt wrote in post #12586063 (external link)
but how everything got this way, with the background looking reasonably rendered (at least if my assumption about it is correct) is beyond me.

I was assuming a "party setting" with blacklights or purple lighting.


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kirkt
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Jun 13, 2011 14:12 |  #10

I thought that as well René, but then why would the OP be interested in "correcting" this snazzy lighting set up? A lot like the concert lighting that I see you typically shoot in.


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tkerr
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Jun 13, 2011 14:21 |  #11

kirkt wrote in post #12586312 (external link)
I thought that as well René, but then why would the OP be interested in "correcting" this snazzy lighting set up? A lot like the concert lighting that I see you typically shoot in.

It almost looks like the color was added using a layer with a mask. OR like René, said, a Blacklight was used and it's positioned right above the couple.


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domat
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Jun 13, 2011 16:02 |  #12

Here is a link to the raw file. There was some mood party lighting but it was very dim and I was perplexed when I saw the color in the viewfinder. I am a noob though hopefully you guys will have a better idea after you see the raw files. That was the first time I shot at iso 3200 since I got this camera fairly recently.

http://dl.dropbox.com/​u/22469386/IMG_7116.CR​2 (external link)




  
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TheBurningCrown
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Jun 13, 2011 16:09 |  #13

How to fix it? Black and white is your friend ;).

The color is probably long gone from their skin if you're looking to get some level of normalcy...


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kirkt
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Jun 13, 2011 17:47 |  #14

And this is why raw is your friend. White balanced on the tuxedo shirt and jacket - take a look at those white balance coefficients!

IMAGE: http://kirkt.smugmug.com/Photography/Photo-of-the-Day/i-ZnDgMhQ/0/X3/RPPScreenShot-X3.jpg

White balance and some exposure bump is all it took. I added a little more contrasty tone curve for fun. You would then white balance again "As Shot" or specifically for the tungsten background and then blend the two images in PS, etc.

Kirk

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domat
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Jun 13, 2011 18:09 |  #15

kirkt wrote in post #12587579 (external link)
And this is why raw is your friend. White balanced on the tuxedo shirt and jacket - take a look at those white balance coefficients!

White balance and some exposure bump is all it took. I added a little more contrasty tone curve for fun. You would then white balance again "As Shot" or specifically for the tungsten background and then blend the two images in PS, etc.

Kirk

Wow that is great. Now if only I had a clue what you did here. wish I had aperture. I assume that is what you are using. So I can copy the settings.

When You mean white balance are you talking about using the dropper tool? Or just playing with the temp tint? That sure isn't doing me any good.

can you explain it like I am a 2 year old? Hopefully you don't have to dumb it down lower then that.

Thanks




  
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Help fix color
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