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Mnonloc.c
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Mnonloc.c
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/* Non-local (Bilateral) smoothing.
Tomasi, C., and R. Manduchi, 1998, Bilateral filtering
for gray and color images: Proceedings of the 1998
IEEE International Conference on Computer Vision,
IEEE, 836-846*/
/*
Copyright (C) 2009 University of Texas at Austin
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU 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
*/
#include <rsf.h>
#include <stdio.h>
#include <math.h>
#include "bilateral.h"
int main (int argc, char *argv[])
{
int n1, n2, i2, ns, nrep;
float *trace, ax, bx;
sf_file inp, out;
bool gauss;
/* initialize */
sf_init(argc,argv);
/* set input and output files */
inp = sf_input("in");
out = sf_output("out");
/* get input dimensions */
if (!sf_histint(inp,"n1",&n1))
sf_error("No n1= in input");
n2 = sf_leftsize(inp,1);
/* get command-line parameters */
if (!sf_getint("ns",&ns)) sf_error("Need ns=");
/* spray radius */
if (!sf_getfloat("bx",&bx)) sf_error("Need bx=");
/* exponential weight for the domain distance (different if gaussian)*/
if (!sf_getbool("gauss",&gauss)) gauss=false;
/* if y, Gaussian weight, whereas Triangle weight */
if (!sf_getint("repeat",&nrep)) nrep=1;
/* repeat filtering several times */
if (gauss) {
if (!sf_getfloat("ax",&ax)) sf_error("Need ax=");
/* Gaussian weight for the range distance */
}
trace = sf_floatalloc(n1);
/* loop over traces */
for (i2=0; i2 < n2; i2++) {
/* read input */
sf_floatread(trace,n1,inp);
bilateral(trace,ns,ax,bx,n1,nrep,gauss);
/* write output */
sf_floatwrite(trace,n1,out);
}
exit (0);
}
/* $Id$ */