Volume 34 Issue 01
Jan.  2008
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Yang Wei, Zhao Yan, Xu Donget al. Method of image quality assessment based on human visual system and structural similarity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 1-4. (in Chinese)
Citation: Yang Wei, Zhao Yan, Xu Donget al. Method of image quality assessment based on human visual system and structural similarity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 1-4. (in Chinese)

Method of image quality assessment based on human visual system and structural similarity

  • Received Date: 17 Jan 2007
  • Publish Date: 31 Jan 2008
  • Through analyzing the influence of certain digital image factors (brightness, texture details, dimentional position, etc.) on human visual characteristic, a mathematic model which combines human visual characteristic and structural similarity of images was built, a new image-quality assessment method in accordance with human visual characteristic was put forward. By unoverlapped partitioning of images using equal-sized sliding windows, this method can calculate the following factors with influence on the partitions: influencing brightness, influencing texture details, and influencing dimentional position. The weighted value of each partition is generated after normalization, and the weighted structural similarity is used as the assessing index of image quality. Experiment shows that this method is in accordance with human visual characteristic, and consistent with the result of subjective assessment.

     

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