snn

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Name

snn - symmetric nearest neighbour noise reduction

Syntax

snn <inimage> <outimage> [<dx> [<dy>]]

Description

Perform Symmetric Nearest Neighbour filtering for noise removal. Filter window has size dx * dy.

dx has default value 3, dy has default value dx.

Restrictions

inimage must have bands with pixel type unsigned byte or unsigned short.

See also

lit(1), litSnn(1)

Author

Tor Lønnestad, BLAB, Ifi, UiO

Examples

 snn mona.img monasnn.img
 snn mona.img monasnn.img 5
 snn mona.img monasnn.img 5 7

Id

$Id: snn.c,v 1.29 1997/01/10 19:42:14 svein Exp $