Binary LUM smoothing

被引:23
作者
Lukac, R [1 ]
机构
[1] Tech Univ Kosice, Dept Elect & Multimedia Commun, Kosice 04120, Slovakia
关键词
binary operation; Boolean expression; LUM; smoothers; stack filters;
D O I
10.1109/LSP.2002.806059
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this letter, valuable simplification and analysis related to Boolean lower-upper middle (LUM) smoothers are provided. Thus, a class of nonlinear order-statistic LUM smoothers can be implemented as stack filters fast and effectively. An acquisition of the proposed method lies in the simple determination of the binary output according to the configuration of binary samples inside the filter window, where the proposed method takes advantage of the recently developed conversion algorithm between LUM smoothers and positive Boolean functions. Besides the important theoretical aspect, the proposed analysis allows to implement the LUM smoothers in small-area chips that can be successfully used in real image and video applications.
引用
收藏
页码:400 / 403
页数:4
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