Polarization-color mapping strategies: catching up with color theory

Andrew W. Kruse; Andrey S. Alenin; Israel J. Vaughn; J. Scott Tyo

doi:10.1117/12.2274254

25 September 2017 Polarization-color mapping strategies: catching up with color theory

Andrew W. Kruse; Andrey S. Alenin; Israel J. Vaughn; J. Scott Tyo

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Proceedings Volume 10407, Polarization Science and Remote Sensing VIII; 104070G (2017) https://doi.org/10.1117/12.2274254
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

Current visualization techniques for mapping polarization data to a color coordinates defined by the Hue, Saturation, Value (HSV) color representation are analyzed in the context of perceptual uniformity. Since HSV is not designed to be perceptually uniform, the extent of non-uniformity should be evaluated by using robust color difference formulae and by comparison to the state-of-the-art uniform color space CAM02-UCS. For mapping just angle of polarization with HSV hue, the results show clear non-uniformity and implications for how this can misrepresent the data. UCS can be used to create alternative mapping techniques that are perceptually uniform. Implementing variation in lightness may increase shape discrimination within the scene. Future work will be dedicated to measuring performance of both current and proposed methods using psychophysical analysis.

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Andrew W. Kruse, Andrew W. Kruse, Andrey S. Alenin, Andrey S. Alenin, Israel J. Vaughn, Israel J. Vaughn, J. Scott Tyo, J. Scott Tyo, } "Polarization-color mapping strategies: catching up with color theory", Proc. SPIE 10407, Polarization Science and Remote Sensing VIII, 104070G (25 September 2017); doi: 10.1117/12.2274254; https://doi.org/10.1117/12.2274254

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