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Level order Recursive Median Filter by Spatial Histogram  

조우연 (공주대학교 정보통신공학부)
최두일 (공주대학교 전기전자정보공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.41, no.6, 2004 , pp. 195-208 More about this Journal
Abstract
Histogram is a very useful method on various practical aspect. With increasing importance of simple calculation method and convenience, it became the basic method in digital image processing nowadays. However, basic limit of using histogram is losing spatial position information of pixels on image. This paper reanalyzes image by presenting histogram with spatial position information(spatial histogram). Also using that result, level order recursive median filter is realized. Presented recursive median filter showed much improved results on edge maintenance aspect compared to existing recursive median filter.
Keywords
Histogram; Recursive Filter; Median Filter; Recursive Median Filter; FIR Filter; IIR Filter;
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