Feature extraction based on co-occurrence of adjacent local binary patterns

  • Authors:
  • Ryusuke Nosaka;Yasuhiro Ohkawa;Kazuhiro Fukui

  • Affiliations:
  • Graduate School of Systems and Information Engineering, University of Tsukuba, Japan;Graduate School of Systems and Information Engineering, University of Tsukuba, Japan;Graduate School of Systems and Information Engineering, University of Tsukuba, Japan

  • Venue:
  • PSIVT'11 Proceedings of the 5th Pacific Rim conference on Advances in Image and Video Technology - Volume Part II
  • Year:
  • 2011

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Abstract

In this paper, we propose a new image feature based on spatial co-occurrence among micropatterns, where each micropattern is represented by a Local Binary Pattern (LBP). In conventional LBP-based features such as LBP histograms, all the LBPs of micropatterns in the image are packed into a single histogram. Doing so discards important information concerning spatial relations among the LBPs, even though they may contain information about the image's global structure. To consider such spatial relations, we measure their co-occurrence among multiple LBPs. The proposed feature is robust against variations in illumination, a feature inherited from the original LBP, and simultaneously retains more detail of image. The significant advantage of the proposed method versus conventional LBP-based features is demonstrated through experimental results of face and texture recognition using public databases.