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  Spatial scale in stereo and shape-from-shading: Image input, mechanisms, and tasks

Mallot, H.(1996). Spatial scale in stereo and shape-from-shading: Image input, mechanisms, and tasks (39). Tübingen, Germany: Max Planck Institute for Biological Cybernetics.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-EB24-E Version Permalink: http://hdl.handle.net/21.11116/0000-0002-8E75-B
Genre: Report

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 Creators:
Mallot, HA1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The problem of spatial scale in depth perception can be considered on three stages: image input, mechanisms, and depth descriptors specific for certain tasks. This paper reviews a number of earlier experiments supporting the distinction between a coarse, correlation-based mechanism and a matching mechanism of stereopsis in terms of their respective inputs and outputs. In order to measure the influence of the correlation mechanism on the perception of three-dimensional shape, a shape-probe experiment was designed. The results show that for smooth intensity-profiles, perceived shape is largely independent of stereoscopic cues but does make use of shape-from-shading as well as the assumption that brighter parts are in front (proximity-luminance covariance).

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 Dates: 1996-09
 Publication Status: Published in print
 Pages: -
 Publishing info: Tübingen, Germany : Max Planck Institute for Biological Cybernetics
 Table of Contents: -
 Rev. Method: -
 Identifiers: Report Nr.: 39
BibTex Citekey: 1503
 Degree: -

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Title: Technical Report of the Max Planck Institute for Biological Cybernetics
Source Genre: Series
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Pages: - Volume / Issue: 39 Sequence Number: - Start / End Page: - Identifier: -