Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Single Image Based HDR Algorithm Using Statistical Differencing and Histogram Manipulation

통계적 편차와 히스토그램 변형을 이용한 단일영상기반 고품질 영상 생성기법

  • Song, Jin-Sun (Dept. of Computer Engineering, Kumoh National Institute of Technology) ;
  • Han, Kyu-Phil (Dept. of Computer Engineering, Kumoh National Institute of Technology) ;
  • Park, Yang-Woo (Dept. of Aeronautics & Software Engineering, Kyungwoon University)
  • Received : 2018.05.05
  • Accepted : 2018.07.04
  • Published : 2018.07.31
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Abstract

In this paper, we propose a high-quality image acquisition algorithm using only a single image, which the high-quality image is normally referred as HDR ones. In order to acquire the HDR image, conventional methods need many images having different exposure values at the same scene and should delicately adjust the color values for a bit-expansion or an exposure fusion. Thus, they require considerable calculations and complex structures. Therefore, the proposed algorithm suggests a completely new approach using one image for the high-quality image acquisition by applying statistical difference and histogram manipulation, or histogram specification, techniques. The techniques could control the pixel's statistical distribution of the input image into the desired one through the local and the global modifications, respectively. As the result, the quality of the proposed algorithm is better than those of conventional methods implemented in commercial image editing softwares.

Keywords

References

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