Volume 4, Number 5, Article 2, Pages 362-377 doi:10.1167/4.5.2 http://journalofvision.org/4/5/2/ ISSN 1534-7362
An expressive three-mode principal components model for gender recognition
James W. Davis
Department of Computer and Information Science, Center for Cognitive Science, Ohio State University, Columbus, OH, USA
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Hui Gao
Department of Computer and Information Science, Ohio State University, Columbus, OH, USA
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Abstract

We present a three-mode expressive-feature model for recognizing gender (female, male) from point-light displays of walking people. Prototype female and male walkers are initially decomposed into a subspace of their three-mode components (posture, time, and gender). We then apply a weight factor to each point-light trajectory in the basis representation to enable adaptive, context-based gender estimations. The weight values are automatically learned from labeled training data. We present experiments using physical (actual) and perceived (from perceptual experiments) gender labels to train and test the system. Results with 40 walkers demonstrate greater than 90% recognition for both physically and perceptually labeled training examples. The approach has a greater flexibility over standard squared-error gender estimation to successfully adapt to different matching contexts.

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History
Received September 9, 2003; published May 6, 2004
Citation
Davis, J. W., & Gao, H. (2004). An expressive three-mode principal components model for gender recognition. Journal of Vision, 4(5):2, 362-377, http://journalofvision.org/4/5/2/, doi:10.1167/4.5.2.
Keywords
gender classification, recognition, three-mode principal components, style analysis, biological motion
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