Constructing Local Binary Pattern Statistics by Soft Voting

  • Juha Ylioinas
  • Xiaopeng Hong
  • Matti Pietikäinen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7944)

Abstract

In this paper we propose a novel method for constructing Local Binary Pattern (LBP) statistics for image appearance description. The method is inspired by the kernel density estimation designed for estimating the underlying probability function of a random variable. An essential part of the proposed method is the use of Hamming distance. Compared to the standard LBP histogram statistics where one labeled pixel always contributes to one bin of the histogram, the proposed method exploits a kernel-like similarity function to determine weighted votes contributing several possible pattern types in the statistic. As a result, the method yields a more reliable estimate of the underlying LBP distribution of the given image. In overall, the method is easy to implement and outperforms the standard LBP histogram description in texture classification and in biometrics-related face verification. We demonstrate that the method is extremely potential in problems where the number of pixels is limited. This makes the method very promising, for example, in low-resolution image description and the description of interest regions. Another interesting property of the proposed method is that it can be easily integrated with many existing LBP variants that use label statistics as descriptors.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Juha Ylioinas
    • 1
  • Xiaopeng Hong
    • 1
  • Matti Pietikäinen
    • 1
  1. 1.Center for Machine Vision ResearchUniversity of OuluFinland

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