SOME ROOT PROPERTIES OF RECURSIVE WEIGHTED MEDIAN FILTERS

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
ENG
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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