Human figure segmentation using independent component analysis

Authors:
Grégory Rogez;Carlos Orrite-Uruñuela;Jesús Martínez-del-Rincón
Affiliations:
Aragon Institute for Engineering Research, University of Zaragoza, Zaragoza, Spain;Aragon Institute for Engineering Research, University of Zaragoza, Zaragoza, Spain;Aragon Institute for Engineering Research, University of Zaragoza, Zaragoza, Spain
Venue:
IbPRIA'05 Proceedings of the Second Iberian conference on Pattern Recognition and Image Analysis - Volume Part I
Year:
2005

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Abstract

In this paper, we present a Statistical Shape Model for Human Figure Segmentation in gait sequences. Point Distribution Models (PDM) generally use Principal Component analysis (PCA) to describe the main directions of variation in the training set. However, PCA assumes a number of restrictions on the data that do not always hold. In this work, we explore the potential of Independent Component Analysis (ICA) as an alternative shape decomposition to the PDM-based Human Figure Segmentation. The shape model obtained enables accurate estimation of human figures despite segmentation errors in the input silhouettes and has really good convergence qualities.