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Night Vision Image Enhancement Based on Double-Plateaus Histogram

  • ShuBin Yang
  • WanLong Cui
  • DiFeng Zhang
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 143)

Abstract

Night vision image has characteristics of low contrast, weak-arrangement gray and dim vision. Double-plateaus histogram enhancement algorithm is presented to enhance them. By setting a higher threshold value, the algorithm can constrain the background and noises. At the same time, the algorithm can magnify dim targets and image details by setting a lower threshold value. With the proposed algorithm, disadvantages of classical histogram and other plateaus histogram enhancement algorithm are overcome while achieving high contrast. Experiments prove that the proposed algorithm can enhance image contrast effectively and preserve image details simultaneously. Moreover, it can also overcome over-bright phenomenon.

Keywords

Double-plateaus histogram Image enhancement Night vision low-light-level image 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • ShuBin Yang
    • 1
  • WanLong Cui
    • 1
  • DiFeng Zhang
    • 1
  1. 1.School of Electrical and Information Eng.Wuhan Institute of TechnologyWuhanChina

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