libvips/tools/other/cooc_features.c

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2009-08-16 17:00:08 +02:00
/* @(#) Prints features of cooc to stdout
* @(#) Usage: cooc_features matrix
*
* Copyright: 1991, N. Dessipris.
*
* Author: N. Dessipris
* Written on: 26/03/1991
* Modified on:
* 16/6/93 J.Cupitt
* - stupid cooc_features externs removed
* - ANSIfied
* - print to stdout
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <math.h>
#include <vips/vips.h>
int
main( int argc, char *argv[] )
{
IMAGE *matrix;
double fasm, fent, fcor, fcon;
if( im_init_world( argv[0] ) )
error_exit( "unable to start VIPS" );
if( argc != 2 )
error_exit( "usage: %s matrix_image", argv[0] );
if( !(matrix = im_open(argv[1],"r")) )
error_exit( "unable to open %s for input",
argv[1] );
if( im_cooc_asm( matrix, &fasm ) )
error_exit( "unable to im_cooc_asm" );
if( im_cooc_contrast( matrix, &fcon ) )
error_exit( "unable to im_cooc_contrast");
if( im_cooc_entropy( matrix, &fent ) )
error_exit( "unable to im_cooc_entropy");
if( im_cooc_correlation( matrix, &fcor ) )
error_exit( "unable to im_cooc_correlation");
if( im_close( matrix ) )
error_exit( "unable to close %s", argv[1]);
printf( "cooc: ASM=%f, ENT=%f, COR=%f, CON=%f\n",
fasm, fent, fcor, fcon);
return( 0 );
}