4.8 Article

Multi-View Discriminant Analysis

Publisher

IEEE COMPUTER SOC
DOI: 10.1109/TPAMI.2015.2435740

Keywords

Multi-view discriminant analysis; cross-view recognition; heterogeneous recognition; common space

Funding

  1. 973 Program [2015CB351802]
  2. Natural Science Foundation of China [61173065, 61222211, 61402443, 61390511]
  3. R&D Program for Implementation of Anti-Crime and Anti-Terrorism Technologies for a Safe and Secure Society, Special Coordination Fund for Promoting Science and Technology of MEXT, the Japanese Government

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In many computer vision systems, the same object can be observed at varying viewpoints or even by different sensors, which brings in the challenging demand for recognizing objects from distinct even heterogeneous views. In this work we propose a Multi-view Discriminant Analysis (MvDA) approach, which seeks for a single discriminant common space for multiple views in a non-pairwise manner by jointly learning multiple view-specific linear transforms. Specifically, our MvDA is formulated to jointly solve the multiple linear transforms by optimizing a generalized Rayleigh quotient, i.e., maximizing the between-class variations and minimizing the within-class variations from both intra-view and inter-view in the common space. By reformulating this problem as a ratio trace problem, the multiple linear transforms are achieved analytically and simultaneously through generalized eigenvalue decomposition. Furthermore, inspired by the observation that different views share similar data structures, a constraint is introduced to enforce the view-consistency of the multiple linear transforms. The proposed method is evaluated on three tasks: face recognition across pose, photo versus. sketch face recognition, and visual light image versus near infrared image face recognition on Multi-PIE, CUFSF and HFB databases respectively. Extensive experiments show that our MvDA achieves significant improvements compared with the best known results.

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