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Proceedings Paper

Digital Filters Based On Threshold Decomposition And Boolean Functions
Author(s): Jaakko Astola; Lasse Koskinen; Olli Yli-Harja; Yrjo Neuvo
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Paper Abstract

In this paper we discuss certain limitations which are inherent in filters that are based on threshold decomposition and Boolean functions. We also define a generalization of stack filters by dropping the requirement of positivity in the defining Boolean function. We show that while some of the nice properties of stack filters are lost the extra design freedom makes it possible to construct filters which have certain attractive properties that are not attainable with stack filters.

Paper Details

Date Published: 1 November 1989
PDF: 10 pages
Proc. SPIE 1199, Visual Communications and Image Processing IV, (1 November 1989); doi: 10.1117/12.970056
Show Author Affiliations
Jaakko Astola, Tampere University (Finland)
Lasse Koskinen, Tampere University (Finland)
Olli Yli-Harja, Technical Research Center (Finland)
Yrjo Neuvo, Tampere University of Technology (Finland)

Published in SPIE Proceedings Vol. 1199:
Visual Communications and Image Processing IV
William A. Pearlman, Editor(s)

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