19 February 2013 Kernel-based image upscaling method with shooting artifact reduction
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Abstract
This paper describes the interpolation algorithm which contains shooting or ringing artifact suppression based on windowed sinc interpolator. In general, the windowed sinc interpolator can achieve better performance by using wider window. However, using wide window causes more ripples that produce unwanted defects such as ringing or shooting artifact. Therefore, shooting reduction technique is proposed in this paper for using wider windows to improve the performance without shooting artifact. The proposed algorithm can suppress shooting artifact by using median sinc interpolator and it can be also used as a post processor for many kernel-based interpolation methods. The resulted image shows that the proposed algorithm can maintain local details and suppress shooting artifact in the image well.
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Chul Hee Park, Chul Hee Park, Joonyoung Chang, Joonyoung Chang, Moon Gi Kang, Moon Gi Kang, } "Kernel-based image upscaling method with shooting artifact reduction", Proc. SPIE 8655, Image Processing: Algorithms and Systems XI, 86550T (19 February 2013); doi: 10.1117/12.2003326; https://doi.org/10.1117/12.2003326
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