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Color Correction

Created and Compiled by Kent Christiansen

You can find Kent or ask questions and learn more at DPReview’s Retouch Forum

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Color Correction

You can find Kent or ask questions and learn more at DPReview’s Retouch Forum

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Color management

 

 

beginner’s tutorial

http://www.skeller.ch/ps/color_management.php

 

Main Color Management sites

 

http://www.computer-darkroom.com/ps8_colour/ps8_1.htm

http://www.normankoren.com/makingfineprints1A.html

http://www.drycreekphoto.com/Learn/monitor_calibration.htm

http://www.drycreekphoto.com/Learn/Calibration/monitor_black.htm

 

PS different color than other applications

 

http://www.arraich.com/elements/pse_ggotcha1.htm#colorman

http://www.arraich.com/ps6_tips_colormanage1.htm

http://www.adobeforums.com/cgi-bin/webx?13@251.9O41c3i1Ucp.1@.ef44dc8/1

sRGB different in apps

http://forums.dpreview.com/forums/read.asp?forum=1006&message=17636015

 

Adobe Gamma – How to

 

http://www.adobe.com/support/techdocs/321608.html

For deleting Adobe gamma from startup for hardware calibrators:

Scroll to Adobe Gamma and Third-Party Monitor Calibration Utilities

http://www.computer-darkroom.com/ps8_colour/ps8_2.htm

grayscale test

http://www.jasc.com/support/kb/articles/images/moncal.gif ;

 

Adobe Gamma - lost it

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=9397551

http://www.adobeforums.com/cgi-bin/webx?13@874.cSAtfDRtQoK.15@.3bbda5ce/0

 

Online “calibration”

 

http://www.easyrgb.com/calibrate.php

Why you should calibrate often…

http://forums.dpreview.com/forums/read.asp?forum=1006&message=16768574

 

Good check on monitor calibration

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=8707573

 

Hardware calibrators reviewed

 

http://www.drycreekphoto.com/Learn/monitor_calibration_tools.htm

 

Camera profiles vs. tags

 

See “Additional Information” paragraph

http://www.adobe.com/support/techdocs/327705.html

http://forums.dpreview.com/forums/read.asp?forum=1006&message=11744239

 

 

see Bruce’s post

http://www.adobeforums.com/cgi-bin/webx?14@621.l39pee9SzhY.9449061@.3bb6a85c.3bbb1172/10

on tors calibration

http://www.adobeforums.com/cgi-bin/webx?14@621.pnDleZ3fAto.32@.3bb6a85c.3bbb1172/19

 

Abobe RGB/sRGB colorspace

 

My summary:

http://forums.dpreview.com/forums/read.asp?forum=1006&message=14461590

Also note digidog’s reply on untagged docs

ProPhoto

http://www.luminous-landscape.com/tutorials/prophoto-rgb.shtml

 

aRGB monitor

http://www.eizo.com/press/releases/pdf/pr_WUXGA_drupa.pdf

Knoll on RAW colorspace

http://www.adobeforums.com/cgi-bin/webx?13@621.be5rerW8tHG.90@.3bb9810b/0

 

 

LCDs

 

http://forums.dpreview.com/forums/read.asp?forum=1004&message=12479962

http://www.xbitlabs.com/articles/other/display/lcd-guide.html

comprehensive guide ^

http://www.xbitlabs.com/articles/other/display/lcd-guide_19.html

panel types ^

http://www.prad.de/en/guide/hersteller_start.html

specs ^

http://graphics.tomshardware.com/display/20040226/contrast_ratio-01.html

contrast ratio ^

http://graphics.tomshardware.com/display/20050706/index.html

pro ^

http://forums.dpreview.com/forums/read.asp?forum=1006&message=16181893

text and ‘native rez’ on lcds ^

 

Save – Save as Settings

 

Baseline standard, optimized, progressive

 

http://www.library.georgetown.edu/dept/gelardin/guides/photoshop_basics/photoshopbasics1(new).htm

scroll to “about jpeg format”

 

Relative or absolute colorimetric

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=14081766

 

Jpeg quality level compression

 

http://www.photo.net/learn/jpeg/#qual

Scroll to Jpeg Quality Settings

 

http://www.impulseadventure.com/photo/jpeg-quantization.html

http://epaperpress.com/psphoto/expArchiving.html

Scroll to Jpeg vs. tiff

 

 

More on color management

 

Ian Lyons:
http://www.computer-darkroom.com/home.htm

Bruce Fraser articles page:
http://www.creativepro.com/author/home/40.html

Margulis

http://www.ledet.com/margulis/PP7_Ch02_ByTheNumbers.pdf

 

ASSIGN Versus CONVERT to Profile
http://www.gballard.net/psd/assignconvert.html

 

Workspace Color – input or output

 

http://www.creativepro.com/printerfriendly/story/6541.html

http://www.naturephotographers.net/articles0303/tg0303-1.html

 

Bruce Fraser: Color Management Policies in Color settings:

The safest starting point is to set all Color Management Policies to Preserve Embedded Profiles, and to turn all warnings on.

http://www.creativepro.com/story/feature/14331-3.html

 

Videos

 

Color management

http://www.photoworkshop.com/registered/softwarecinema/eddie_tapp_01.html

http://www.photoworkshop.com/registered/softwarecinema/eddie_tapp_02.html

http://www.photoworkshop.com/registered/softwarecinema/eddie_tapp_pro_tech.html

http://www.photoworkshop.com/registered/softwarecinema/rick_sammon.html

http://www.photoworkshop.com/registered/softwarecinema/bob_coates.html

 

http://www.computer-training-software.com/photoshop-color.htm

 

WhiBal videos – gray cards

 

http://rawworkflow.com/WhiBalManual/index.html

 

 

Colorcasts fixes

 

90% method

 

http://www.photoworkshop.com/registered/softwarecinema/Eddie_Tapp/index2.html

must sign in but free

http://www.peimag.com/pdf/pei01/pei0101/tapppei0101.pdf

 

My colorcast summary post

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=10687846

http://www.dpreview.com/learn/?/Image_Techniques/Color_Correction_Speed_01.htm

http://forums.dpreview.com/forums/read.asp?forum=1006&message=14591253

Match color fix

http://forums.dpreview.com/forums/read.asp?forum=1006&message=9726122

http://forums.dpreview.com/forums/read.asp?forum=1006&message=10690647

 

Katrin’s color fix by the numbers – also skin fix

 

http://www.peachpit.com/articles/article.asp?p=101197&seqNum=6

 

Dave Beaman’s colorcast correction

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=10262937

 

Color correction:

 

http://homepages.ihug.com.au/~larrykin/pshop/color_correct_one.html

 

Color correction

 

http://www.creativepro.com/story/feature/17164.html

photog:

http://forums.dpreview.com/forums/read.asp?forum=1006&message=4028525

 

Color correction – philo

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=4837225

 

Color cast

My post – color dodge method 101

http://forums.dpreview.com/forums/read.asp?forum=1006&message=10462593

http://forums.dpreview.com/forums/read.asp?forum=1006&message=4999713

 

Changing gray point for color correction

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=5539796

 

Ashok’s color correction – mean values and curves

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=6404961

http://forums.dpreview.com/forums/read.asp?forum=1006&message=6383243

 

Color corrections using Variations

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=6555501

http://forums.dpreview.com/forums/read.asp?forum=1006&message=6556280

 

Auto color tweaks

 

http://www.creativepro.com/story/feature/17164-1.html

 

Chuck’s Gray eyedropper tut

 

http://forums.dpreview.com/forums/read.asp?forum=1006&message=5790897