Gamut mapping for color simulation on CRT devices

Gabriel G. Marcu; Satoshi Abe

doi:10.1117/12.236980

29 March 1996 Gamut mapping for color simulation on CRT devices

Gabriel G. Marcu, Satoshi Abe

Proceedings Volume 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts; (1996) https://doi.org/10.1117/12.236980
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States

Abstract

The gamut mapping procedures transform the colors of the original image into the colors that can be reproduced by another device, according with different reproduction criteria. This paper discusses three gamut mapping procedures: gamut clipping, white shifting technique recently introduced by Konica, and an example of UltraColor technique used by Kodak. A new proposed method that maps the out of gamut colors to the gamut colors based on the morphing technique along the constant angle direction or constant device hue in CIELAB or CIELUV is investigated. The mapping procedures dependent on the content of the image are compared with the procedures based only on the device to device gamut mapping. The image dependent mapping procedures exploit more efficiently the potential of adaptation of the observer eye to the contrast of the image than the device mapping methods and conduct to better results. A 3D rendering procedure is used to illustrate different gamut devices and to compare the effect of mapping procedures. The CIELAB and CIELUV color spaces are compared for optimum performance of mapping of the outside gamut colors from one device to another. The mapping methods dependent on the content of the image are evaluated using the 3D histogram visualization technique simultaneously with the gamut visualization. The techniques are applied for simulation on the CRT of the different reproduction media.

Citation Download Citation

Gabriel G. Marcu and Satoshi Abe "Gamut mapping for color simulation on CRT devices", Proc. SPIE 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts, (29 March 1996); https://doi.org/10.1117/12.236980

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