Detectability of a luminance increment: Effect of superimposed random luminance fluctuation*
- 1 December 1976
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 66 (12) , 1426
- https://doi.org/10.1364/josa.66.1426_1
Abstract
Detectability, d′, of foveal luminance increments obscured by luminance noise was tested in human observers. For low noise, d′ was constant. For high noise, d′ decreased more rapidly than would be predicted for the ideal observer. An ideal observer degraded by internal noise and uncertainty would match this behavior.Keywords
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