ctf_estimate_psd_with_arma.h

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/***************************************************************************
 *
 * Authors:     Carlos Oscar S. Sorzano (coss@cnb.csic.es)
 *              Javier �ngel Vel�zquez Muriel (javi@cnb.csic.es)
 *
 * Unidad de  Bioinformatica of Centro Nacional de Biotecnologia , CSIC
 *
 * 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
 *
 *  All comments concerning this program package may be sent to the
 *  e-mail address 'xmipp@cnb.csic.es'
 ***************************************************************************/
#pragma once

#include <core/multidim_array.h>
#include <core/xmipp_program.h>

constexpr int  AR       =0;   // To distinguish between an AR parameter or a MA
constexpr int  MA       =1;   // parameter, or sigma in the output ARMAParameters matrix
constexpr int  SIGMA    =2;   // returned by functions.

class ARMA_parameters
{
public:
    int       N_AR;               // order in the Rows direction of the AR part of the model
    int       M_AR;               // order in the Cols direction of the AR part of the model
    int       N_MA;               // order in the Rows direction of the MA part of the model
    int       M_MA;               // order in the Cols direction of the MA part of the model
public:
    MultidimArray<double> ARParameters; // Output parameters
    MultidimArray<double> MAParameters; // Output parameters
    double dSigma;                      // Noise variance
public:
    void readParams(XmippProgram *program);
    static void defineParams(XmippProgram *program);
};

void CausalARMA(MultidimArray<double> &Img, ARMA_parameters &prm);


void ARMAFilter(MultidimArray<double> &Img, MultidimArray< double > &Filter,
                ARMA_parameters &prm);