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Proceedings Paper

An approach to description of fuzzy filters
Author(s): Bohdan S. Butkiewicz
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Paper Abstract

Linear time invariant system with fuzzy parameters is considered. The concept of fuzzy transfer function is discussed. The problem is closely related to the question how to apply fuzzy techniques to such systems. In system theory Fourier transform, convolution operation and correlation function are frequently used. Generally, filters are described in two ways: in time domain, by impulse or step response, and in frequency domain, by amplitude and phase frequency response. In the paper, linear filters with fuzzy parameters using fuzzy convolution operation and fuzzy Fourier transform are analyzed. The approach is compared with conventional one. Herein, some examples of fuzzy filters for image applications are presented.

Paper Details

Date Published: 5 August 2009
PDF: 7 pages
Proc. SPIE 7502, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009, 75021H (5 August 2009); doi: 10.1117/12.837348
Show Author Affiliations
Bohdan S. Butkiewicz, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 7502:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009
Ryszard S. Romaniuk; Krzysztof S. Kulpa, Editor(s)

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