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Progressive Filter for Impulse Noise Reduction  

Kim, Young-Ro (Myongji College)
Dong, Sung-Soo (Yong-In Songdam College)
Publication Information
전자공학회논문지 IE / v.49, no.1, 2012 , pp. 24-29 More about this Journal
Abstract
In this paper, we propose a progressive filter for impulse noise reduction. The proposed method uses non-linear filter and linear filter progressively. Non-linear filter reduces abrupt noise pattern. Also, linear filter adjusts filtering direction according to an edge in the image which is filtered by non-linear filter. Thus, our proposed method not only preserves edge, but also reduces noise in uniform region. Experimental results show that our proposed method has better quality than those by existing non-linear and linear progressive filtering methods.
Keywords
Progressive; linear filter; non-linear filter; impulse noise reduction;
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