Feature Modelling of PCA Difference Vectors for 2D and 3D Face Recognition

Authors:
Chris McCool;Jamie Cook;Vinod Chandran;Sridha Sridharan
Affiliations:
Queensland University of Technology, Australia;Queensland University of Technology, Australia;Queensland University of Technology, Australia;Queensland University of Technology, Australia
Venue:
AVSS '06 Proceedings of the IEEE International Conference on Video and Signal Based Surveillance
Year:
2006

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Abstract

This paper examines the the effectiveness of feature modelling to conduct 2D and 3D face recognition. In particular, PCA difference vectors are modelled using Gaussian Mixture Models (GMMs) which describe Intra-Personal (IP) and Extra-Personal (EP) variations. Two classifiers, an IP and IPEP classifier, are formed using these GMMs and their performance is compared to that of the Mahalanobis cosine metric (MahCosine). The best results for the 2D and 3D face modalities are obtained with the IP and IPEP classifiers respectively. The multi-modal fusion of these two systems provided consistent performance improvement across the FRGC database v2.0.