Presentation 1997/3/7
Fuzzy Stack Filtering with Structural Constraints
Akira Taguchi, Kentaro Okamura, Nobunori Izawa,
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Abstract(in English) Rank-order based filters have received considerable attention due to their inherent outlier rejection and detail preservation properties. One of important rank-order based filters is stack filters. There are two diffferent approaches to design of stack filters. One might be called the structural approach, while the other might be called the estimation approach. On the other hand, we have proposed fuzzy stack filters in order to extend the class of stack filters. Fuzzy stack filters are very important for signal processing, because these filters include linear FIR filters and weighted median filters. In this paper, we develop a approach for finding optimal fuzzy stack filters under the structural constraints. The noise attenuation property of fuzzy stack filters is studied. Finally, we apply the proposed fuzzy stack filters to image restoration problem.
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Keyword(in English) Nonlinear digital filters / Fuzzy stack filters / Structural constraints
Paper # CAS96-108,DSP96-159,CS96-164
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Committee CAS
Conference Date 1997/3/7(1days)
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Registration To Circuits and Systems (CAS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fuzzy Stack Filtering with Structural Constraints
Sub Title (in English)
Keyword(1) Nonlinear digital filters
Keyword(2) Fuzzy stack filters
Keyword(3) Structural constraints
1st Author's Name Akira Taguchi
1st Author's Affiliation Department of Electrical and Electronic Engineering, Musashi Institute of Technology()
2nd Author's Name Kentaro Okamura
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Musashi Institute of Technology
3rd Author's Name Nobunori Izawa
3rd Author's Affiliation Department of Electrical and Electronic Engineering, Musashi Institute of Technology
Date 1997/3/7
Paper # CAS96-108,DSP96-159,CS96-164
Volume (vol) vol.96
Number (no) 550
Page pp.pp.-
#Pages 7
Date of Issue