/home/rex/ebltrunk/core/libidx/include/filters.h

/***************************************************************************
 *   Copyright (C) 2011 by Pierre Sermanet *
 *   pierre.sermanet@gmail.com *
 *   All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
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 *     * Redistribution under a license not approved by the Open Source
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 *        This product includes software developed at the Courant
 *        Institute of Mathematical Sciences (http://cims.nyu.edu).
 *     * The names of the authors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
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#ifndef FILTERS_H_
#define FILTERS_H_

#include "idx.h"
#include "numerics.h"

namespace ebl {
  
  // Filters

  template <typename T> idx<T> create_mexican_hat(double s, int n);

  template <typename T> idx<T>
    create_gaussian_kernel2(uint n, double sigma = 1);
  template <typename T>
    idx<T> create_gaussian_kernel2(uint h, uint w, double sigma = 1);
  
  template <typename T> idx<T>
    create_gaussian_kernel(idxdim &d, double mode = 2.0);
  template <typename T> idx<T> create_burt_adelson_kernel(double a = .375);
  
  template <typename T> idx<T>
    create_gaussian_kernel(uint n, double mode = 2.0);
  template <typename T> idx<T>
    create_gaussian_kernel(uint h, uint w, double mode = 2.0);
  
} // end namespace ebl

#include "filters.hpp"

#endif /* FILTERS_H_ */