with three additive primary colors (R,G,B), new displays are emerging with more than three primaries. Multi-primary displays try to achieve two goals: to expand the color gamut available on the screen and to extend screen contrast and brightness to achieve the range of colors and highlights renderable in commercial (film-based) cinema. Meeting these objectives entails challenges, however. For e...

© Toward Robust Categorical Color Perception Giordano Beretta, Nathan Moroney, John Ludd Recker HP Laboratories HPL-2009-146 color difference; language; color naming When implementing a software service for printing on commercial presses, it may be necessary to allow a casual user to modify the color rendering to remove a colorcast. In variable data printing, colored text on a colored backgroun...

There have been many attempts to answer the question of how many distinct colors there are, with widely varying answers. Here we present an analysis of what it would take to arrive at a reliable answer and show how currently available models fail to make predictions under the wide range of conditions that needs to be considered. Gamut volumes are reported for a number of light sources and viewi...

© 2013 In-Su Jang et al. 969 http://dx.doi.org/10.4218/etrij.13.2013.0079 Various simulation applications for hair, clothing, and makeup of a 3D avatar can provide more useful information to users before they select a hairstyle, clothes, or cosmetics. To enhance their reality, the shapes, textures, and colors of the avatars should be similar to those found in the real world. For a more realisti...

A psychophysical experiment was carried out to evaluate 5 chroma clipping techniques for gamut mapping. Three different destination gamuts were used in order to determine how the shape of the destination gamut would influence performance of the different mapping techniques. The test images consisted of 7 colored computer-rendered textured spheres and one image which contained all 7 objects. The...