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Dealing With Over Saturation.

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  #1  
Old 10-12-2007, 06:43 PM
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MacBurg MacBurg is offline
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Dealing With Over Saturation.

Hi,

I do a lot of product photography, and whenever it comes to photographing products with bright colors, reds and yellows in particular, I cringe at the thought of my cameras ability to handle these colors. I shoot with a 5D and although its an excellent camera otherwise, it has trouble with reds and yellows.

I often spend extra time processing RAW files with these colors, and pay particular attention to the saturation levels. Please check out the links below for some examples of current images I am working on -


#1
http://img228.imageshack.us/img228/6...ration1lz5.jpg

#2
http://img228.imageshack.us/img228/9...ration2mp4.jpg


I have tried to de-sat the reds/yellows using a Hue/Saturation layer with a luminosity mask, as the darker parts of the image seem to suffer the most, and although I am making improvements, I still feel the images are loosing their "pop" from trying to control the saturation.

Any help or techniques on this matter would be appreciated, cheers Shaun.



.
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Old 10-12-2007, 08:06 PM
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Flora Flora is offline
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Re: Dealing With Over Saturation.

Hi MacBurg,

I don't know if this is in the right direction... I also used a Hue/Saturation Adjustment Layer decreasing Lightness and Saturation ...

I obtained a sharper 'shadow mask' by using Threshold.
Attached Images
File Type: jpg F_saturation2mp4a.jpg (196.0 KB, 65 views)
File Type: jpg F_saturation1lz5a.jpg (194.9 KB, 62 views)
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Old 10-12-2007, 09:16 PM
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MacBurg MacBurg is offline
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Re: Dealing With Over Saturation.

Thanks for the input Flora, you seem to have levelled out the saturation globally, however I think the shadows have now darkened too much and the image has lost its contrast. Depressed Kevin is the most saturated figure of the bunch, he's the thin one and I'll keep experimenting with layers, any other suggestions would be great.
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Old 10-12-2007, 10:19 PM
pixelzombie pixelzombie is offline
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Re: Dealing With Over Saturation.

here's a h/s move with a curve on top of that to get back some of the saturation...i can read and see more detail, but the file is too small to truly see the results...

Last edited by pixelzombie; 02-21-2008 at 05:10 PM.
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Old 10-12-2007, 11:25 PM
pixelzombie pixelzombie is offline
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Re: Dealing With Over Saturation.

here's a 2nd version with just a channel mixer adj. layer with a mask for the reds only...

Last edited by pixelzombie; 02-21-2008 at 05:10 PM.
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Old 10-13-2007, 01:06 AM
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MacBurg MacBurg is offline
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Re: Dealing With Over Saturation.

Thanks Pixelzombie, I prefer your second version using the channel mixer, I'll run through all the files when I do the resize and sharpen and see if I can achieve similar results.

I was sure there was an easier way in Photoshop, and I payed careful attention when shooting the images on camera to get the exposure bang on, I'll post a link when they go "Live" on the web.
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Old 10-13-2007, 01:37 AM
Murphyimages.ca Murphyimages.ca is offline
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www.murphyimages.ca

Hello My Name is Justin Murphy. I am a calgary wedding photographer located in calgary, alberta. My website is www.murphyimages.ca. I am new to this blogging thing....
But I love your suggestions.
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Old 10-13-2007, 02:09 AM
Cassidy Cassidy is offline
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Re: Dealing With Over Saturation.

Thought I'd have a go. Duplicated and desaturated the duplicate, reduced the opacity to 10% and set the blending mode to saturation. Second one is as above, but opacity reduced to 20% and blending mode set to darken
Attached Images
File Type: jpg saturation2mp4-.jpg (88.1 KB, 16 views)
File Type: jpg Darken.jpg (73.6 KB, 21 views)

Last edited by Cassidy; 10-13-2007 at 02:16 AM.
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Old 10-13-2007, 06:01 AM
Mike Nykoruk Mike Nykoruk is offline
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Talking Re: Dealing With Over Saturation.

If I understand your concerns, try: Color range select of the reds, make selection: (command-J to dupe selection only), Change the mode to screen on new layer:
adjust opacity to fine tune. Simply and quick. ;>}
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File Type: jpg UseScreen.jpg (79.7 KB, 29 views)
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Old 10-13-2007, 09:23 AM
edgework edgework is offline
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Re: Dealing With Over Saturation.

Your thinking is sort of right, but you need to take it a step further and determine what your real problem is. By definition, the more saturated a color, the farther away it is from the neutral axis, which means that it is lacking in that contaminating color that would turn it grey. But here's the catch: those contaminating colors are where your detail comes from. So the problem isn't specifically that your colors are saturated, it's that there is no detail. Using Sat/Desat moves won't address that problem.

I played around with some channels and luminosity blends and came up with these versions. I wasn't thinking about color much at all, but rather, how to engineer the detail that was clearly present in the Green and Blue channels into the final result.

http://edgework.tripod.com/samples/sat1.jpg
http://edgework.tripod.com/samples/sat2.jpg

As I say, I wasn't thinking about color, though the results are decent. Lighter perhaps, on first glance, than the originals, but that's because there are actual highlights and shadows showing up, rather than a more or less flat sheet of tone.

Last edited by edgework; 10-13-2007 at 09:42 AM.
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