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RANK
Section: User Commands (1)
Updated: 16 Mar 1998
Index
NAME
rank - noise reduction filter
SYNTAX
rank <inimage> <outimage> <rank> [<dx> [<dy>]]
DESCRIPTION
ranknoise filtering with window
dx*
dyusing the histogram update technique.Every input pixel is replaced by the rank-thpixel in a sorted vector containg all pixelsin the dx*dy window. rank=1 gives the minfilter, rank=dx*dy/2 gives the median filter,and rank = dx*dy gives the max filter.
inimage - input image
outimage - output image
rank - the rank of the output pixel
dx - horizontal window size. Default value 3
dy - vertical window size. Default value dx
FILES
SEE ALSO
DIAGNOSTICS
RESTRICTIONS
Accepts only UNS_BYTE pixels. dx, dy must belarger than 0. rank should be in [1..dx*dy]
AUTHOR
Tor L|nnestad, BLAB, ifi, UiO
EXAMPLES
rank mona.img monaRank.img 1
rank mona.img monaRank.img 3 7
rank mona.img monaRank.img 35 7 5
ID
$Id: rank.c,v 1.22 1997/01/10 16:09:01 svein Exp $
Index
- NAME
- SYNTAX
- DESCRIPTION
- FILES
- SEE ALSO
- DIAGNOSTICS
- RESTRICTIONS
- AUTHOR
- EXAMPLES
- ID
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