期刊
VISION RESEARCH
卷 51, 期 20, 页码 2224-2233出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2011.08.016
关键词
Anomalous trichromacy; Photopigment; Optical density; Computational modeling; Color vision
We present a theoretical model to estimate the influence of photopigment optical density (OD) on the color vision of anomalous trichromats. Photopigment spectral sensitivities are generated using the Lamb (1995) template, which we correct for OD and pre-receptoral filters. Sixteen hyperspectral images (Foster, Nascimento, & Amano, 2004; Nascimento, Ferreira, & Foster, 2002) are analyzed, and the signals produced in the post-receptoral channels calculated. In the case of anomalous trichromats whose two longer-wavelength cones have peak sensitivities that lie close together in the spectrum, color vision can be substantially enhanced if the cones differ in optical density by a realistic amount. (C) 2011 Elsevier Ltd. All rights reserved.
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