Adaptive colour rendering of maps for users with colour vision deficiencies

Anne Kristin Kvitle; Phil Green; Peter Nussbaum

doi:10.1117/12.2083411

8 February 2015 Adaptive color rendering of maps for users with color vision deficiencies

Anne Kristin Kvitle, Phil Green, Peter Nussbaum

Author Affiliations +

Proceedings Volume 9395, Color Imaging XX: Displaying, Processing, Hardcopy, and Applications; 939515 (2015) https://doi.org/10.1117/12.2083411
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

A map is an information design object for which canonical colors for the most common elements are well established. For a CVD observer, it may be difficult to discriminate between such elements - for example, it may be hard to distinguish a red road from a green landscape on the basis of color alone. We address this problem through an adaptive color schema in which the conspicuity of elements in a map to the individual user is maximized. This paper outlines a method to perform adaptive color rendering of map information for users with color vision deficiencies. The palette selection method is based on a pseudo-color palette generation technique which constrains colors to those which lie on the boundary of a reference object color gamut. A user performs a color vision discrimination task, and based on the results of the test, a palette of colors is selected using the pseudo-color palette generation method. This ensures that the perceived difference between palette elements is high but which retains the canonical color of well-known elements as far as possible. We show examples of color palettes computed for a selection of normal and CVD observers, together with maps rendered using these palettes.

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Anne Kristin Kvitle, Phil Green, and Peter Nussbaum "Adaptive color rendering of maps for users with color vision deficiencies", Proc. SPIE 9395, Color Imaging XX: Displaying, Processing, Hardcopy, and Applications, 939515 (8 February 2015); https://doi.org/10.1117/12.2083411

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