運動視差のスケーリングと知覚距離

概要

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To obtain magnitudes of depth from motion parallax signals, the visual system scales the signals with absolute distance information. The present study investigated whether motion parallax is scaled according to the representation of distance perception, which has been suggested in other reports. In Experiment 1, using a constant motion parallax, perceived depth and perceived distance were measured while distance cues of the stimuli were manipulated. The results showed that the perceived depth covaried with the perceived distance in some cases, but not in others; the perceived depth, but not the perceived distance, decreased when cues for distance perception were reduced even at a constant viewing distance. This suggests that motion parallax is not directly scaled according to the perceived distance. In Experiment 2, we showed that reducing distance cues perse affected the perceived depth. We propose that motion parallax is scaled according to neither physical viewing distance nor the representation of distance perception, but another distance representation.
日本基礎心理学会の論文
1999-03-31