Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/QGMMModel.h
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00001 /*
00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #if !defined(__QGMMMODEL_h)
00020 #define __QGMMMODEL_H
00021 
00022 #include <vector>
00023 #include <marsyas/common_header.h>
00024 #include <marsyas/realvec.h>
00025 
00026 namespace Marsyas
00027 {
00038 class QGMMModel
00039 {
00040 private:
00041 
00042   mrs_natural maxNrGSMixes_;
00043   mrs_natural nrGSMixes_;
00044   std::vector<mrs_natural> GSmixNrFrames_;
00045   std::vector<realvec> GSmixCovMatrix_;
00046   mrs_natural totalNrFrames_;
00047 
00048   mrs_real divergenceThres_;
00049 
00050   realvec updateCovModel(realvec C, mrs_natural N, realvec Cm, mrs_natural Nm);
00051   mrs_real deltaBIC(realvec C1, mrs_natural N1, realvec C2, mrs_natural N2, realvec C, mrs_real lambda);
00052 
00053 public:
00054 
00055   QGMMModel();
00056   QGMMModel(const QGMMModel &a);
00057   ~QGMMModel();
00058 
00059   void updateModel(realvec &covMatrix, mrs_natural nrModelFrames);
00060   void resetModel();
00061 
00062   mrs_real BICdistance(realvec &covMatrix, mrs_natural Nframes, mrs_real lambda);
00063 
00064   mrs_natural nrGSMixes() {return nrGSMixes_; };
00065   realvec& GSmixCovMatrix(mrs_natural GSmix) { return GSmixCovMatrix_[GSmix]; };
00066   mrs_natural GSmixNrFrames(mrs_natural GSmix) { return GSmixNrFrames_[GSmix]; };
00067   mrs_natural totalNrFrames() {return totalNrFrames_; };
00068 
00069 };
00070 
00071 }//namespace Marsyas
00072 
00073 #endif
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