Supervised relevance maps for increasing the distinctiveness of facial images

Authors:
Michal Kawulok;Jing Wu;Edwin R. Hancock
Affiliations:
Institute of Informatics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland;Computer Science, Cardiff University, Queen's Buildings, 5 The Parade, Roath, Cardiff CF24 3AA, UK;Department of Computer Science, University of York, Heslington, York YO10 5DD, UK
Venue:
Pattern Recognition
Year:
2011

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Abstract

This paper shows how to improve holistic face analysis by assigning importance factors to different facial regions (termed as face relevance maps). We propose a novel supervised learning algorithm for generating face relevance maps to improve the discriminating capability of existing methods. We have successfully applied the developed technique to face identification based on the Eigenfaces and Fisherfaces methods, and also to gender classification based on principal geodesic analysis (PGA). We demonstrate how to iteratively learn the face relevance map using labelled data. Experimental results confirm the effectiveness of the developed approach.