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