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EXTREMA1

Section: C Library Functions (3)
Updated: 16 Mar 1998
Index

 

NAME

extrema1 - detection of local minima and maxima

 

SYNTAX

 #include <xite/extrema.h>

 int extrema1( IBAND inband, IBAND outband,
    int fg, int bg );

 

DESCRIPTION

Local extrema (minima and maxima) are detected ininband,and marked in outbandwith value fg,foreground. All other pixels are marked bg,background. If you need to distinguish betweenminima and maxima, see extrema2.

 

RESTRICTIONS

Supports only unsigned byte.

 

SEE ALSO

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

 

RETURN VALUE

 0 => ok
 1 => bad input pixel type
 2 => bad output pixel type
 3 => bad fg or bg value

 

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

 

ID

$Id: extrema1.c,v 1.20 1996/11/08 14:03:21 svein Exp $

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Index

NAME

SYNTAX

DESCRIPTION

RESTRICTIONS

SEE ALSO

RETURN VALUE

REFERENCE

AUTHOR

ID

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