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Appearance is more than shape, illumination, and pose

Published online by Cambridge University Press:  01 August 1998

Jan-Olof Eklundh  and
Stefan Carlsson
Jan-Olof Eklundh
Affiliation:
Computational Vision and Active Perception Laboratory, Department of Numerical Analysis and Computing Science, Royal Institute of Technology, 100 44 Stockholm, Sweden joe@nada.kth.se stefanc@nada.kth.se www.nada.kth.se/
Stefan Carlsson
Affiliation:
Computational Vision and Active Perception Laboratory, Department of Numerical Analysis and Computing Science, Royal Institute of Technology, 100 44 Stockholm, Sweden joe@nada.kth.se stefanc@nada.kth.se www.nada.kth.se/
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Abstract

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Although we find the idea of representation by similarities attractive as such, we have two main objections to the specific proposal of Edelman. First, he does not consider complexity issues in terms of storage and speed of recall for recognition. Related to this, the appearance of objects depends on far more factors than just shape, illumination, and pose. This requires an intermediate shape abstraction process that extracts category-specific shape properties from the mixed appearance of images.

Information

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 4 , August 1998 , pp. 470 - 471
Copyright
© 1998 Cambridge University Press