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  Texture and haptic cues in slant discrimination: Reliability-based cue weighting without statistically optimal cue combination

Rosas, P., Wagemans, J., Ernst, M., & Wichmann, F. (2005). Texture and haptic cues in slant discrimination: Reliability-based cue weighting without statistically optimal cue combination. Journal of the Optical Society of America A, 22(5), 801-809. doi:10.1364/JOSAA.22.000801.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D595-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-C4B2-3
Genre: Journal Article

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 Creators:
Rosas, P1, 2, Author              
Wagemans, J, Author
Ernst, MO1, 2, Author              
Wichmann, FA1, 3, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497797              
3Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              

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 Abstract: A number of models of depth cue combination suggest that the final depth percept results from a weighted average of independent depth estimates based on the different cues available. The weight of each cue in such an average is thought to depend on the reliability of each cue. In principle, such a depth estimation could be statistically optimal in the sense of producing the minimum variance unbiased estimator that can be constructed from the available information. Here we test such models using visual and haptic depth information. Different texture types produce differences in slant discrimination performance, providing a means for testing a reliability-sensitive cue combination model using texture as one of the cues to slant. Our results show that the weights for the cues were generally sensitive to their reliability, but fell short of statistically optimal combination—we find reliability-based re-weighting, but not statistically optimal cue combination.

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 Dates: 2005-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 2785
DOI: 10.1364/JOSAA.22.000801
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Title: Journal of the Optical Society of America A
Source Genre: Journal
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Publ. Info: Washington, D.C. : The Society
Pages: - Volume / Issue: 22 (5) Sequence Number: - Start / End Page: 801 - 809 Identifier: ISSN: 0740-3232
CoNE: https://pure.mpg.de/cone/journals/resource/954925538151_1