www.pudn.com > firev0.01.rar > gaussian.cpp


/*
This file is part of the FIRE -- Flexible Image Retrieval System

FIRE 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.

FIRE 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 FIRE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
#include 
#include 
#include "gaussian.hpp"

using namespace std;
vector gaussian(int size) {
  vector result(size);
  
  double alpha=1;///(2.0*M_PI);
  
  double stepsize=5.0/double(size);
  double tmp;
  int i=0;

  for(double x=-2.5;i stretchedgaussianwindow(int size, int falling) {
  
  if(size result(size,1.0);
  vector gauss=gaussian(2*falling);
  for(int i=0;i