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EXTREMA2

Section: User Commands (1)
Updated: 16 Mar 1998
Index

 

NAME

extrema2 - detection of local minima and maxima

 

SYNTAX

extrema2 [-min <min>] [-max <max>] [-bg <bg>]<inimage> <outimage>

 

DESCRIPTION

Local extrema (minima and maxima) are detected ininband,and marked in outband.Minima aremarked with value min,maxima are marked max,and all other pixels are marked bg,background.If you do not want to distinguish between minimaand maxima, see extrema1.

The default for minis 0, the maxdefault is 255,the bgdefault is 128.

 

SEE ALSO

extrema2(3), extrema1(1), minima(1), maxima(1)

 

RESTRICTIONS

Supports ony unsigned byte images. min, max and bgshould not 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

 extrema2 -min 0 -max 1 -bg 2 mona.img monaextrem.img

 

ID

$Id: extrema2.c,v 1.20 1996/11/08 14:03:22 svein Exp $

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Index

NAME

SYNTAX

DESCRIPTION

SEE ALSO

RESTRICTIONS

REFERENCE

AUTHOR

EXAMPLES

ID

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