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  Homogenized Virtual Support Vector Machines

Walder, C., & Lovell, B. (2006). Homogenized Virtual Support Vector Machines. In Digital Image Computing: Techniques and Applications (DICTA '05) (pp. 1-6). Piscataway, NJ, USA: IEEE.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-1DC4-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1DC5-F
Genre: Conference Paper

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 Creators:
Walder, C1, 2, 3, Author              
Lovell, BC, 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              
3Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528702              

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 Abstract: In many domains, reliable a priori knowledge exists that may be used to improve classifier performance. For example in handwritten digit recognition, such a priori knowledge may include classification invariance with respect to image translations and rotations. In this paper, we present a new generalisation of the Support Vector Machine (SVM) that aims to better incorporate this knowledge. The method is an extension of the Virtual SVM, and penalises an approximation of the variance of the decision function across each grouped set of "virtual examples", thus utilising the fact that these groups should ideally be assigned similar class membership probabilities. The method is shown to be an efficient approximation of the invariant SVM of Chapelle and Sch¨olkopf, with the advantage that it can be solved by trivial modification to standard SVM optimization packages and negligible increase in computational complexity when compared with the Virtual SVM. The efficacy of the method is demonstrated on a simple problem.

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 Dates: 2006-10
 Publication Status: Published in print
 Pages: -
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 Identifiers: DOI: 10.1109/DICTA.2005.43
 Degree: -

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Title: International Conference on Digital Image Computing: Techniques and Applications (DICTA 2005)
Place of Event: Queensland, Australia
Start-/End Date: 2005-12-06 - 2005-12-08

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Title: Digital Image Computing: Techniques and Applications (DICTA '05)
Source Genre: Proceedings
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Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: 57 Start / End Page: 1 - 6 Identifier: ISBN: 0-7695-2467-2