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PSEUDOMEDIAN3X3
Section: User Commands (1)
Updated: 16 Mar 1998
Index
NAME
pseudomedian3x3 - median like noise reduction filtering
SYNTAX
pseudomedian3x3 <input> <output>
DESCRIPTION
Filters the input image into the output imageband by band, using a median like filter withwindow size 3 x 3.Given the neighborhood a..i :
a b c
d e f
g h i
First the median of a, b and c is computed, likewise themedian of d, e and f, and the median of g, h and i. Finallythe median of these three median values replaces the value ein the output band. Corner pixels are copied from input image,border pixels are set to the median of the border pixel andthe two neighboring border pixels.
SEE ALSO
median(1)
RESTRICTIONS
inputmust have pixeltype unsigned byte.
AUTHOR
Tor Lønnestad, BLAB, Ifi, UiO.
EXAMPLES
pseudomedian3x3 mona.img monamed.img
ID
$Id: pseudomedian3x3.c,v 1.23 1997/01/10 16:08:31 svein Exp $
Index
- NAME
- SYNTAX
- DESCRIPTION
- SEE ALSO
- RESTRICTIONS
- AUTHOR
- EXAMPLES
- ID
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