Unresolved issues in stereopsis: dynamic disparity processing

Unresolved issues in stereopsis: dynamic disparity processing Spatial Vision , Vol. 22, No. 1, pp. 83 – 90 (2009) © Koninklijke Brill NV, Leiden, 2009. Also available online - www.brill.nl/sv Unresolved issues in stereopsis: dynamic disparity processing ROBERT PATTERSON ∗ Department of Psychology and Program in Neuroscience, Washington State University, USA Received 29 March 2007; accepted 28 September 2007 Abstract —Several unresolved issues in stereopsis are discussed that are related to the visual processing of dynamic disparity information. These unresolved issues include: (1) how well does the visual system compute temporal change in disparity and what kind of computation is used; (2) what is the neurophysiological basis of such processing in humans; and (3) how is the information gleaned from such processing used for guiding human action. The resolution of these issues will likely involve an adoption of a philosophical perspective in which dynamic disparity is viewed as playing an important role in the control of behavior and in which stereopsis is studied within the context of control-systems analysis. Keywords : Dynamic stereopsis; binocular disparity; cyclopean motion; motion-in-depth perception. INTRODUCTION One of the most important advantages of possessing binocular vision is the ability to process the binocular parallax that derives from the horizontal separation between http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Spatial Vision (continued as Seeing & Perceiving from 2010) Brill

Unresolved issues in stereopsis: dynamic disparity processing

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Publisher
Brill
Copyright
© 2009 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0169-1015
eISSN
1568-5683
D.O.I.
10.1163/156856809786618510
Publisher site
See Article on Publisher Site

Abstract

Spatial Vision , Vol. 22, No. 1, pp. 83 – 90 (2009) © Koninklijke Brill NV, Leiden, 2009. Also available online - www.brill.nl/sv Unresolved issues in stereopsis: dynamic disparity processing ROBERT PATTERSON ∗ Department of Psychology and Program in Neuroscience, Washington State University, USA Received 29 March 2007; accepted 28 September 2007 Abstract —Several unresolved issues in stereopsis are discussed that are related to the visual processing of dynamic disparity information. These unresolved issues include: (1) how well does the visual system compute temporal change in disparity and what kind of computation is used; (2) what is the neurophysiological basis of such processing in humans; and (3) how is the information gleaned from such processing used for guiding human action. The resolution of these issues will likely involve an adoption of a philosophical perspective in which dynamic disparity is viewed as playing an important role in the control of behavior and in which stereopsis is studied within the context of control-systems analysis. Keywords : Dynamic stereopsis; binocular disparity; cyclopean motion; motion-in-depth perception. INTRODUCTION One of the most important advantages of possessing binocular vision is the ability to process the binocular parallax that derives from the horizontal separation between

Journal

Spatial Vision (continued as Seeing & Perceiving from 2010)Brill

Published: Jan 1, 2009

Keywords: DYNAMIC STEREOPSIS; BINOCULAR DISPARITY; CYCLOPEAN MOTION; MOTION-IN-DEPTH PERCEPTION

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