両眼立体視による物体内の奥行き構造知覚と物体間の奥行き差知覚の相違(人工現実感)(マルチメディア・仮想環境基礎)

概要

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We perceive surface shape of object and relative depth of objects from binocular disparity. These two types of depth should bc generated by different processes. We investigated whether the perception of surface shape and relative depth of objects show different performance. In Experiment 1, the detection thresholds were examined and the results revealed that the thresholds of detecting surface shape were higher than relative depth of objects. In Experiment 2, the detection threshold of connected surface was examined and the results showed that the thresholds of connected surface were higher than relative depth objects. This indicates that connected surface was processed as surface shape of one object. In Experiment 3, the matching task was used to examine whether the estimation of depth is different between these two types of depth. The results revealed that the surface shape was underestimated than relative depth of objects. We concluded from these experiments that in stereopsis the performance of detecting d estimating relative depth of objects is better than surface shape of object.
社団法人電子情報通信学会の論文
2003-06-03