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25 February 2014 Parametric rational unsharp masking for image enhancement
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Proceedings Volume 9019, Image Processing: Algorithms and Systems XII; 90190W (2014)
Event: IS&T/SPIE Electronic Imaging, 2014, San Francisco, California, United States
Unsharp masking is an effective enhancement tool to improve the visual quality of fine details in images. However, it also amplifies noisy and over-enhances steep edges. To address this problem, this paper proposes a parametric rational unsharp masking. It utilizes the horizontal and vertical gain factors to enhance image details in two directions independently. Experiments and comparisons are provided to demonstrate its excellent enhancement performance.
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Changzhe Yin, Yicong Zhou, Sos Agaian, and C. L. Philip Chen "Parametric rational unsharp masking for image enhancement", Proc. SPIE 9019, Image Processing: Algorithms and Systems XII, 90190W (25 February 2014);

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