SOME ROOT PROPERTIES OF RECURSIVE WEIGHTED MEDIAN FILTERS

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The weights of weighted median and recursive weighted median filters have close relationship with the root signal characteristics of these filters. In this paper, we find a set of conditions on weights under which a recursive weighted median filter preserves monotone or locally monotone sequence and that under which any input sequence converges to a locally monotone sequence after a finite number of passes. We also find a set of conditions on weights under which the output of a recursive weighted median filter is the same as that of a recursive median filter.
Publisher
ELSEVIER SCIENCE BV
Issue Date
1991-12
Language
English
Citation

SIGNAL PROCESSING, v.25, no.3, pp.337 - 344

ISSN
0165-1684
DOI
10.1016/0165-1684(91)90118-3
URI
http://hdl.handle.net/10203/5522
Appears in Collection
EE-Journal Papers(저널논문)
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