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  Machine Learning Applied to Perception: Decision-Images for Gender Classification

Wichmann, F., Graf, A., Simoncelli, E., Bülthoff, H., & Schölkopf, B. (2005). Machine Learning Applied to Perception: Decision-Images for Gender Classification. In L. Saul, Y. Weiss, & L. Bottou (Eds.), Advances in Neural Information Processing Systems 17 (pp. 1489-1496). Cambridge, MA, USA: MIT Press.

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 Urheber:
Wichmann, FA1, 2, Autor           
Graf, ABA1, 2, 3, Autor           
Simoncelli, EP, Autor
Bülthoff, HH2, 3, Autor           
Schölkopf, B1, 2, Autor           
Affiliations:
1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
3Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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Schlagwörter: -
 Zusammenfassung: We study gender discrimination of human faces using a combination of psychophysical classification and discrimination experiments together with methods from machine learning. We reduce the dimensionality of a set of face images using principal component analysis, and then train a set of linear classifiers on this reduced representation (linear support vector machines (SVMs), relevance vector machines (RVMs), Fisher linear discriminant (FLD), and prototype (prot) classifiers) using human classification data. Because we combine a linear preprocessor with linear classifiers, the entire system acts as a linear classifier, allowing us to visualise the decision-image corresponding to the normal vector of the separating hyperplanes (SH) of each classifier. We predict that the female-to-maleness transition along the normal vector for classifiers closely mimicking human classification (SVM and RVM 1) should be faster than the transition along any other direction. A psychophysical discrimination experiment using the decision images as stimuli is consistent with this prediction.

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 Datum: 2005-07
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: BibTex Citekey: 2784
 Art des Abschluß: -

Veranstaltung

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Titel: Eighteenth Annual Conference on Neural Information Processing Systems (NIPS 2004)
Veranstaltungsort: Vancouver, BC, Canada
Start-/Enddatum: 2004-12-13 - 2004-12-16

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Titel: Advances in Neural Information Processing Systems 17
Genre der Quelle: Konferenzband
 Urheber:
Saul, LK, Herausgeber
Weiss, Y, Herausgeber
Bottou, L, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Cambridge, MA, USA : MIT Press
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 1489 - 1496 Identifikator: ISBN: 0-262-19534-8