Perceiving large depth from binocular disparity, motion parallax, and relative size cue

Abstract

To examine the interaction among binocular disparity, motion parallax, and relative size cue for perceiving large depth, we quantified the apparent depth from these cues using a matching method. When only one of these cues was given, apparent depth was tiny. When the depth was specified by both binocular disparity and motion parallax, perceived depth was small again. However, adding relative size cue to binocular disparity and/or motion parallax expanded apparent depth much. These results suggest that the interaction between relative size cue and binocular disparity or motion parallax plays a major roll for perceiving large depth.