Color correction for optical see-through displays using display color profiles

Authors:
Srikanth Kirshnamachari Sridharan;Juan David Hincapié-Ramos;David R. Flatla;Pourang Irani
Affiliations:
University of Manitoba, Winnipeg, Manitoba, Canada;University of Manitoba, Winnipeg, Manitoba, Canada;University of Dundee, Dundee, Scotland;University of Manitoba, Winnipeg, Manitoba, Canada
Venue:
Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology
Year:
2013

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Abstract

In optical see-through displays, light coming from background objects mixes with the light originating from the display, causing what is known as the color blending problem. Color blending negatively affects the usability of such displays as it impacts the legibility and color encodings of digital content. Color correction aims at reducing the impact of color blending by finding an alternative display color which, once mixed with the background, results in the color originally intended. In this paper we model color blending based on two distortions induced by the optical see-through display. The render distortion explains how the display renders colors. The material distortion explains how background colors are changed by the display material. We show the render distortion has a higher impact on color blending and propose binned-profiles (BP) - descriptors of how a display renders colors - to address it. Results show that color blending predictions using BP have a low error rate - within nine just noticeable differences (JND) in the worst case. We introduce a color correction algorithm based on predictions using BP and measure its correction capacity. Results show light display colors can be better corrected for all backgrounds. For high intensity backgrounds light colors in the neutral and CyanBlue regions perform better. Finally, we elaborate on the applicability, design and hardware implications of our approach.