Adaptive retinex back-light compensation algorithm using skewness information of image

  • Authors:
  • Jong-Geun Oh;Min-Cheol Hong

  • Affiliations:
  • Soongsil Univ., Dongjak-Gu, Seoul, Korea;Soongsil Univ., Dongjak-Gu, Seoul, Korea

  • Venue:
  • Proceedings of the 2013 Research in Adaptive and Convergent Systems
  • Year:
  • 2013

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Abstract

This paper presents an adaptive Retinex algorithm. In order to solve the typical problems of the Retinex algorithm, such as expensive computational cost, halo artifact, and color distortion, a function of skewness that represents a statistical distribution of pixels is defined to compensate for contrast and color distortion. The experimental results show that the proposed algorithm leads to subjectively better performance than the typical Retinex algorithm, and that proposed algorithm also has the capability of reducing the computational cost by approximately 40%.