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Nagel MR, Mayr E, Kastner H, et al. Application of a model for the inherent contrast conditions in full-form objects. Appl Opt. 1974;13(8):1946-55doi: 10.1364/AO.13.001946.
Nagel, M. R., Mayr, E., Kastner, H., & Dantz, K. (1974). Application of a model for the inherent contrast conditions in full-form objects. Applied optics, 13(8), 1946-55. https://doi.org/10.1364/AO.13.001946
Nagel, M R, et al. "Application of a model for the inherent contrast conditions in full-form objects." Applied optics vol. 13,8 (1974): 1946-55. doi: https://doi.org/10.1364/AO.13.001946
Nagel MR, Mayr E, Kastner H, Dantz K. Application of a model for the inherent contrast conditions in full-form objects. Appl Opt. 1974 Aug 01;13(8):1946-55. doi: 10.1364/AO.13.001946. PMID: 20134600.
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Appl Opt. 1974 Aug 01;13(8):1946-55. doi: 10.1364/AO.13.001946.

Application of a model for the inherent contrast conditions in full-form objects.

Applied optics

M R Nagel, E Mayr, H Kastner, K Dantz

PMID: 20134600 DOI: 10.1364/AO.13.001946

Abstract

The concept has been developed of a simple model that is representative of the luminance and contrast conditions on full-form objects. A reasonably realistic approach is a sphere that is exposed to the irradiation from the entire sky, the sun, and the ground, taking into account the considerable variation of the luminance in the sky. Based, primarily, on measurements of the sky luminance in the Pikes Peak region of Colorado, calculations were made of the inherent surface contrast in such a model when it is viewed from any direction with fields of view of various sizes. Other calculations were concerned with the model object's contour contrast against its background and with its color. Representative results of these calculations are shown and discussed.

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