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6 July 2015 Weighted bilateral filtering using relative difference between pixels
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Proceedings Volume 9631, Seventh International Conference on Digital Image Processing (ICDIP 2015); 96310R (2015) https://doi.org/10.1117/12.2197143
Event: Seventh International Conference on Digital Image Processing (ICDIP15), 2015, Los Angeles, United States
Abstract
The similarity measurement of the bilateral filtering can’t indicate the difference between pixels accurately in the dense texture region. It causes the smoothing effect seriously, thereby reducing the edge preserving properties of the bilateral filtering. This paper presents a new weighted function of the bilateral filtering. It involves an additional range kernel using the relative difference between pixels. The range kernel operates differently by acting on the pixel gray intensities or colors. And it uses the reciprocal kernel for the approximation of the standard Gaussian weight value. Experimental results suggest that it significantly preserves more details than the classical bilateral filtering in edge or dense texture regions.
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Li Ma, Yu-qi Zhang, Bin-bin Hu, and Ming-yang Zheng "Weighted bilateral filtering using relative difference between pixels", Proc. SPIE 9631, Seventh International Conference on Digital Image Processing (ICDIP 2015), 96310R (6 July 2015); https://doi.org/10.1117/12.2197143
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