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/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): Pawel Dlotko
*
* Copyright (C) 2017 Swansea University
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef PSSK_INTERFACE_H_
#define PSSK_INTERFACE__H_
#include <gudhi/PSSK.h>
namespace Gudhi {
namespace Persistence_representations {
/**
* This is a version of a representation presented in https://arxiv.org/abs/1412.6821
* In that paper the authors are using the representation just to compute kernel. Over here, we extend the usability by
*far.
* Note that the version presented here is not exact, since we are discretizing the kernel.
* The only difference with respect to the original class is the method of creation. We have full (square) image, and for
*every point (p,q), we add a kernel at (p,q) and the negative kernel
* at (q,p)
**/
class PSSK_interface : public PSSK {
public:
PSSK_interface(){}
PSSK_interface(const std::vector<std::pair<double, double> >& interval,
std::vector<std::vector<double> > filter = create_Gaussian_filter(5, 1), size_t number_of_pixels = 1000,
double min_ = -1, double max_ = -1)
:
PSSK(interval,filter,number_of_pixels,min_,max_){}
PSSK_interface(const char* filename, std::vector<std::vector<double> > filter = create_Gaussian_filter(5, 1),
size_t number_of_pixels = 1000, double min_ = -1, double max_ = -1,
unsigned dimension = std::numeric_limits<unsigned>::max())
:PSSK(filename,filter,number_of_pixels,min_,max_,dimension){}
};
} // namespace Persistence_representations
} // namespace Gudhi
#endif // PSSK_INTERFACE__H_
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