Neighborhood discriminant projection for face recognition

Authors:
Qubo You;Nanning Zheng;Shaoyi Du;Yang Wu
Affiliations:
Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, PR China;Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, PR China;Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, PR China;Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, PR China
Venue:
Pattern Recognition Letters
Year:
2007

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Abstract

We propose a novel manifold learning approach, called Neighborhood Discriminant Projection (NDP), for robust face recognition. The purpose of NDP is to preserve the within-class neighboring geometry of the image space, while keeping away the projected vectors of the samples of different classes. For representing the intrinsic within-class neighboring geometry and the similarity of the samples of different classes, the within-class affinity weight and the between-class affinity weight are used to model the within-class submanifold and the between-class submanifold of the samples, respectively. Comprehensive comparisons and extensive experiments on face recognition are performed to demonstrate the effectiveness and robustness of our proposed method.