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EXTREMA1
Section: User Commands (1)
Updated: 16 Mar 1998
Index
NAME
extrema1 - detection of local minima and maxima
SYNTAX
extrema1 [-bg <bg>] [-fg <fg>] <inimage> <outimage>
DESCRIPTION
Local extrema (minima and maxima) are detected in
inimage,and marked in
outimagewith value
fg,foreground. All other pixels are marked
bg,background. If you need to distinguish betweenminima and maxima, see extrema2.
The default for fgis 255, the bgdefault is 0.
SEE ALSO
extrema1(3),
extrema2(1),
minima(1),
maxima(1)
RESTRICTIONS
Supports ony unsigned byte images. bg and fg shouldnot be equal, and they should be in 0..255.
REFERENCE
B.B. Chaudhuri and B.Uma Shankar:"An efficient algorithm for extrema detection indigital images"Pattern Recognition Letters 10 (1989), 81-85.
AUTHOR
Tor L|nnestad, BLAB, ifi, UiO
EXAMPLES
extrema1 -fg 0 -bg 1 mona.img monaextrem.img
ID
$Id: extrema1.c,v 1.20 1996/11/08 14:03:21 svein Exp $
Index
- NAME
- SYNTAX
- DESCRIPTION
- SEE ALSO
- RESTRICTIONS
- REFERENCE
- AUTHOR
- EXAMPLES
- ID
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