MAN page from Mandrake Other XITE-3.3-3.i386.rpm
KNN
Section: User Commands (1)
Updated: 16 Mar 1998
Index
NAME
knn - k nearest neighbour noise reduction
SYNTAX
knn <input image> <output image> <n> <k>
DESCRIPTION
Performs k nearest neighbour noise removal.n x n is window size.Averages over center pixel and k neighbours,using histogram updating technique.
RESTRICTIONS
The input image must have pixel type unsigned byte.
REFERENCE
L. S. Davis & A. Rosenfeld:"Noise Cleaning byIterated Local Averaging" IEEE trans. on syst.,man, and cyb., vol smc-8, no 9, 1978.
SEE ALSO
knn(3),
mbknn(1),
kncn(1),
mbkncn(1)
AUTHOR
Tor Lønnestad, BLAB, Ifi, UiO
EXAMPLES
knn mona.img monaknn.img 5 9
ID
$Id: knn.c,v 1.24 1997/01/10 16:03:52 svein Exp $
Index
- NAME
- SYNTAX
- DESCRIPTION
- RESTRICTIONS
- REFERENCE
- SEE ALSO
- AUTHOR
- EXAMPLES
- ID
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