3D face verification using a free-parts approach

Authors:
C. McCool;V. Chandran;S. Sridharan;C. Fookes
Affiliations:
Image and Video Laboratory, Queensland University of Technology, 2 George Street, Brisbane, 4001, GPO 2434, Australia;Image and Video Laboratory, Queensland University of Technology, 2 George Street, Brisbane, 4001, GPO 2434, Australia;Image and Video Laboratory, Queensland University of Technology, 2 George Street, Brisbane, 4001, GPO 2434, Australia;Image and Video Laboratory, Queensland University of Technology, 2 George Street, Brisbane, 4001, GPO 2434, Australia
Venue:
Pattern Recognition Letters
Year:
2008

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Abstract

This paper proposes a novel approach to 3D face verification which divides the 3D face into separate parts. This method, termed 3D free-parts, considers each part of the face independently and consequently the spatial relationship is discarded for the purpose of obtaining many observations from each face. Experiments illustrate the validity of the face verification system where the distribution of features are modelled robustly using Gaussian Mixture Models. This approach demonstrates a significant improvement over the eigenfaces approach, lowering the false rejection rate from 9.83% to 4.48% at a false acceptance rate of 0.1%, in tests conducted on 3D face data from the face recognition grand challenge database.