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Color Calibration Chart

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  #1  
Old 09-29-2008, 09:04 AM
beezy40 beezy40 is offline
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Color Calibration Chart

Can anyone here clue in on how to operate a color calibration chart, for exp
the GretagMacbeth ColorChecker Chart My images are suffering because of my lack of knowledge in this area. I have included 2 examples, given to me by a fellow forum member. Thanks
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File Type: jpg ColorChartA.jpg (87.9 KB, 101 views)
File Type: jpg ColorChartB.jpg (98.7 KB, 89 views)
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Old 09-29-2008, 12:10 PM
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amica999 amica999 is offline
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Re: Color Calibration Chart

Beezy, these charts could function as a reference. Use the color picker set to 3x3 pixels or higher and note the values of the skin tones for exaqmple in the highlight, shadow and "normal" area in order to see if you are on the right track...
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Old 09-29-2008, 01:26 PM
pixelzombie pixelzombie is offline
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Re: Color Calibration Chart

are you trying to calibrate a camera?
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Old 09-29-2008, 02:30 PM
beezy40 beezy40 is offline
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Re: Color Calibration Chart

Quote:
are you trying to calibrate a camera?

Nope pixelzombie, just my images after capture. I would like to understand the whole process of color calibration, imagewise only. Thanks
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Old 09-29-2008, 03:52 PM
pixelzombie pixelzombie is offline
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Re: Color Calibration Chart

that's not something that is easily explained, see if any of the links on this page help you out:

http://www.digitaldog.net/tips/
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Old 09-30-2008, 07:49 PM
bazza64 bazza64 is offline
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Re: Color Calibration Chart

More color charts that might help!!
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File Type: jpg haircolor 2.jpg (53.2 KB, 40 views)
File Type: jpg skintones.jpg (86.6 KB, 36 views)
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  #7  
Old 09-30-2008, 08:49 PM
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TommyO TommyO is offline
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Re: Color Calibration Chart

Beezy,
Maybe the term calibration is confusing us. We don't actually calibrate images after photographing or scanning them. We do calibrate devices, i.e. camera, scanner, monitor, printer. However, we often adjust our images after a shoot to compensate for incorrect white balance or lighting conditions. By including a color chart in one exposure/image during the shoot, you provide a standard within an image taken in the same lighting conditions. Once you bring the standard image into Photoshop and make adjustments, you can transfer those adjustments to all the other images, shortening your workflow.

The various other color charts (like above) simply provide a target you can use if you don't like your skin tones, etc. This is why Amica999 mentioned to set your color picker to 3x3 or 5x5, as you don't want to try to match individual pixels... just general tonality.

Here are a few links to color management principles:
Dry Creek Photo color management basics
CambridgeInColour color management overview
International Color Consortium color management links

Here are a few links to color management tools, etc.:
Colour Confidence color charts
ColorHQ color charts
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Old 09-30-2008, 10:58 PM
bazza64 bazza64 is offline
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Re: Color Calibration Chart

Those are helpfull links Tommy, thanks for that.

Barry.
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