An Upward-Facing Surface Appears Darker: The Role Played by the Light-From-Above Assumption in Lightness Perception
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DOI: 10.1177/0301006619847590
Abstract: The human visual system can extract information on surface reflectance (lightness) from light intensity; this, however, confounds information on reflectance and illumination. We hypothesized that the visual system, to solve this lightness problem, utilizes the… read more here.
Keywords: assumption; lightness; facing surface; upward facing ... See more keywords