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Audio Visual Person Authentication by Multiple Nearest Neighbor Classifiers

  • Amitava Das
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4642)

Abstract

We propose a low-complexity audio-visual person authentication framework based on multiple features and multiple nearest-neighbor classifiers, which instead of a single template uses a set of codebooks or collection of templates. Several novel highly-discriminatory speech and face image features are introduced along with a novel “text-conditioned” speaker recognition approach. Powered by discriminative scoring and a novel fusion method, the proposed MCCN method delivers not only excellent performance (0% EER) but also a significant separation between the scores of client and imposters as observed on trials run on a unique multilingual 120-user audio-visual biometric database created for this research.

Keywords

Speaker recognition face recognition audio-visual biometric authentication fusion multiple classifiers feature extraction VQ Multimodal 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Amitava Das
    • 1
  1. 1.Microsoft Research - India 196/36 2nd Main Sadashivnagar, Bangalore 560 080India

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