kncn
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Name
kncn - k nearest connected neighbour noise reduction
Syntax
kncn <inimage> <outimage> <k>
Description
Perform k-Nearest Connected Neighbour filtering
for noise removal, averaging over the center pixel
and k connected neighbours. All bands in the image
are filtered, one band at a time.
Small k => small effect, large k => large effect.
Restrictions
Only input bands with pixel type unsigned byte and unsigned
short are processed.
Reference
T. Lønnestad: "Connected Filters for Noise Removal"
Proc. of 9. ICPR, Rome, 1988, 848-850.
See also
kncn(3), mbkncn(1), knn(1), mbknn(1)
Author
Tor Lønnestad, BLAB, Ifi, UiO
Examples
kncn mona.img monasmooth.img 8
Id
$Id: kncn.c,v 1.25 1997/01/10 16:04:24 svein Exp $