40. ICC color management - ICC color management for print...

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© FujiFilm 2002 ICC color management for print production ICC color management for print production TAGA Annual Technical Conference 2002 W Craig Revie Principal Consultant Fuji Film Electronic Imaging Limited ICC Chair of the Graphic Arts Special Interest Group
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© FujiFilm 2002 Tutorial outline Tutorial outline • About the ICC • ICC color management concepts • Creating ICC profiles • Using ICC profiles • Defining an ICC-based workflow
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© FujiFilm 2002 About the ICC About the ICC • ICC History • ICC Objectives • ICC Membership • Working groups • Details from www.color.org
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© FujiFilm 2002 ICC History - some milestones ICC History - some milestones 1990 PostScript Level 2 released by Adobe 1993 FOGRA conference - Intercolor consortium formed 1994 Apple’s ColorSync format adopted 1994 Version 2 ICC profile format defined 1995 Windows 95 with ICM 1999 PDF 1.3 has support for ICCBased colorspaces 2000 Photoshop 6 released 2001 Version 4 ICC profile format defined 2002 PDF/X-1a (and possibly PDF/X-3) standardized
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© FujiFilm 2002 ICC Objectives ICC Objectives • Open systems color management – Portable, standard color profile format – Framework independent of device capabilities • ‘Technical’ basis and broad membership – Develop a common understanding of color • Not limited to print production – Basis of profile connection space is a reflection print which may limit areas of application
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© FujiFilm 2002 ICC Membership and Organization ICC Membership and Organization • Founding members • Regular members • Honorary members •O b s e r v e r s • Steering committee – Founding members + elected members • Chair, vice chair, secretary and technical secretary Lars Borg [Adobe], Uwe-Jens Krabbenhoeft [Heidelberg], Kip Smythe [NPES], Tony Johnson [London College of Printing]
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© FujiFilm 2002 Working groups Working groups • Focus on specific areas • Examples: – Architecture Working Group – Workflow Working Group – Graphic Arts Special Interest Group • Email discussion groups + 4 meetings per year
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© FujiFilm 2002 Tutorial outline Tutorial outline • About the ICC ICC color management concepts • Creating ICC profiles • Using ICC profiles • Defining an ICC-based workflow
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© FujiFilm 2002 ICC color management concepts ICC color management concepts • Basic colorimetry, CIE standard observer • RGB additive and CMY(K) subtractive color models • ‘Device independent’ color • Color transforms
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© FujiFilm 2002 How we see color How we see color CIELab and CIEXYZ standards • based on CIE standard observer • describe colors as we see them • used in both PostScript and PDF Rod cells Cone cells Response of cone cells to different frequencies of light The CIE standard observer
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© FujiFilm 2002 Color illusions Color illusions Subtractive color Subtractive color Start with white and subtract red, green and blue Many (but not all) colors can be simulated in this way Additive color Additive color Start with black and add red, green and blue
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This note was uploaded on 02/19/2012 for the course ECE 638 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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40. ICC color management - ICC color management for print...

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