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Title: Human use of horizontal disparity for perception and visuomotor control
Authors: Scarfe, Peter
Supervisors: Hibbard, Paul
Keywords: Binocular vision
Three-dimensional shape
Issue Date: 30-Nov-2007
Abstract: Our eyes are horizontally separated in the head by approximately 6.5cm. As a result of this separation there are subtle differences in the position of corresponding image points within the two eyes. The horizontal component of this binocular positional difference is termed horizontal disparity. Horizontal disparity is an important visual cue as once scaled with an estimate of the viewing distance, it can theoretically provide full metric information about the structure of the world. This thesis will address the issue of how binocular visual cues are used by the human visual system for the estimation of three-dimensional (3-D) shape for perception and visuomotor control. The research presented is particularly focused on understanding why biases in the perception of 3-D shape from binocular cues are found, their importance for perception and visuomotor control and how these biases may be overcome by combining binocular cues with other sources of visual information.
Type: Thesis
Publisher: University of St Andrews
Appears in Collections:Psychology & Neuroscience Theses

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