slopestatistics.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA 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 MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_core_slopestatistics_hh
#define mia_core_slopestatistics_hh

#include <vector>
#include <memory>
#include <mia/core/defines.hh>

NS_MIA_BEGIN


class  EXPORT_CORE CSlopeStatistics {
public:
        enum EEnergyCenterpos {
                ecp_none = 0, 
                ecp_begin,    
                ecp_center,   
                ecp_end       
        }; 

        CSlopeStatistics(const std::vector<float>& series, int index);

        CSlopeStatistics(const CSlopeStatistics& other) = delete;

        ~CSlopeStatistics();

        float get_curve_length() const;

        float get_range() const;

        float get_mean_frequency() const;

        int get_max_frequency_slot() const;


        float get_energy() const; 
        
        float get_mean_frequency_level() const;

        std::pair<int, int> get_peak_level_and_time_index() const; 

        float get_maximum_gradient_from_zero() const; 

        float get_peak_wavelet_coefficient() const; 

        float get_wavelet_energy() const; 

        std::pair<size_t, float>  get_first_peak() const;

        std::pair<size_t, float>  get_second_peak() const;

        std::pair<size_t, float>  get_perfusion_high_peak() const;

        std::pair<size_t, float>  get_gradient_peak(int start_movement) const;


        const std::vector<float>& get_level_coefficient_sums() const;
        
        const std::vector<EEnergyCenterpos>& get_level_mean_energy_position() const;


        CSlopeStatistics::EEnergyCenterpos get_mean_energy_position() const; 

        float get_positive_time_mean() const; 
        
        float get_level_change(size_t center) const; 
        
        int get_index() const; 
private:
        struct CSlopeStatisticsImpl *impl;
};

typedef std::shared_ptr<CSlopeStatistics > PSlopeStatistics;
NS_MIA_END

#endif // mia_core_slopestatistics_hh