Abstract：
:In the natural world, a binocular discrepancy of luminance can signal a glossy surface. Using a spatial forced choice task, we have measured the ability of subjects to detect binocular luminance disparities. We show that the detection of binocular luminance disparity shares several basic psychophysical features with the detection of surface properties such as lightness and chromaticity: an approximation to Weber's Law, spatial summation, temporal summation, and a deterioration with increasing eccentricity. We also discuss whether color-deficient subjects could derive reliable information about chromaticity from the binocular disparities of luminance induced by a monocularly worn color filter.
journal_name
Vision Resjournal_title
Vision researchauthors
Formankiewicz MA,Mollon JDdoi
10.1016/j.visres.2009.05.001subject
Has Abstractpub_date
2009-07-01 00:00:00pages
1929-38issue
15eissn
0042-6989issn
1878-5646pii
S0042-6989(09)00224-7journal_volume
49pub_type
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