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Acta graphica : journal for printing science and graphic communications, Vol.20 No.1-4 January 2010. -

The ciecam02 colour appearance model was developed to allow prediction of accurate colour appearance under various viewing conditions. In this study, a software module, based on mathematical transformations of the ciecam02 model, was designed and implemented. Unlike the previous software modules, which were allowing use of only a limited choice of common standardized icc display profiles, the developed module also allows the use of optimized profiles created by the user. This paper presents prediction of the appearance of test images with assigned different display profiles after changing illuminant. The two used optimized profiles, created by software characterization of specific lcd display, have a different display gamma value 1.8 and 2.2. It is observed that, after changing the initial cie d50 to a higher colour temperature illuminant d65, the colours of images will be shifted to the blue hues, and, in the case of illuminant temperature less than d50 a and f11, to yellow hues. It is also observed that the intensity of colour shifts in the simulated images with associated profiles which have different gamma value will be significantly different, which implies that the icc display profile and display gamma value have the great impact on the prediction of the accurate colour appearance under various viewing conditions.

ICC profile; gamma; ciecam02 colour appearance model; viewing conditions



Autor: Dragoljub Novaković - ; The Faculty of Technical Science, University of Novi Sad, Serbia Neda Milić - ; The Faculty of Technica

Fuente: http://hrcak.srce.hr/



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