Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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Two-Dimensional Joint Bayesian Method for Face Verification

  • Han, Sunghyu (School of Liberal Arts, KoreaTech) ;
  • Lee, Il-Yong (LG Electronics, and Dept. of Computer Science at Yonsei University) ;
  • Ahn, Jung-Ho (Division of Computer Media Information Engineering, Kangnam University)
  • Received : 2015.01.16
  • Accepted : 2015.12.31
  • Published : 2016.09.30
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Abstract

The Joint Bayesian (JB) method has been used in most state-of-the-art methods for face verification. However, since the publication of the original JB method in 2012, no improved verification method has been proposed. A lot of studies on face verification have been focused on extracting good features to improve the performance in the challenging Labeled Faces in the Wild (LFW) database. In this paper, we propose an improved version of the JB method, called the two-dimensional Joint Bayesian (2D-JB) method. It is very simple but effective in both the training and test phases. We separated two symmetric terms from the three terms of the JB log likelihood ratio function. Using the two terms as a two-dimensional vector, we learned a decision line to classify same and not-same cases. Our experimental results show that the proposed 2D-JB method significantly outperforms the original JB method by more than 1% in the LFW database.

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References

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