Intro gestion de la couleur - Clermont'ech

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1. MANAGING COLORS IN GPGPU CLERMONT’ECH mardi 29 octobre 2013 Nabil Boukala
2. COLOR CONTROL THROUGH GRAPHIC CHAIN PRODUCED COLOR ≠ PERCEIVED COLOR
3. IN OR OUT GAMUT? R=255 G=193 B=5 Lab XYZ xyY Profile Profile Very nice, but … each device has his own COLOR GAMUT
4. COMMUNICATE COLORS WITH EVOLVING LANGUAGES
5. COLOR MANAGEMENT WORKFLOW Pixels RGB Colors Lab 225,70,60 _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ 80,0.5,0.2 _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ RGB RVB CMYK Lab Pixels RGB Colors Lab 235,75,80 _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ 80,0.5,0.2 _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ ICC Profile ICC Profile Values CMYK Colors Lab 2,75,80,5 _, _ , _ ,_ _, _ , _ ,_ _, _ , _ ,_ _, _ , _ ,_ _, _ , _ ,_ _, _ , _ ,_ _, _ , _ ,_ 80,0.5,0.2 _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ _ , _ , _ ICC Profile conversion
6. SOFT-PROOFING
7. Provenance: périph source IMAGE RGB Périph simulé IMAGE LAB/ XYZ Écran d’affichage IMAGE LAB/ XYZ IMAGE RGB SOFTPROOFING WORKFLOW AND GPGPU LARGE DIMENSION IMAGES ADDITIONNAL SIMULATION PARAMETERS: LIGHTING, CUSTOM COLOR TRANS., … IN REALTIME => NEED FOR COMPUTATIONAL POWER