VectorTracker.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLCV/src/ICLCV/VectorTracker.h                        **
** Module : ICLCV                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <ICLUtils/CompatMacros.h>
#include <ICLUtils/Function.h>
#include <vector>

namespace icl{
  namespace cv{


    class ICLCV_API VectorTracker{
      public:
      enum IDmode{
        firstFree, // old unused IDs are re-used
        brandNew   // each new element gets a brand new ID (untils int-range ends)
      };

      typedef std::vector<float> Vec;

      typedef utils::Function<float,const Vec&,const Vec&> DistanceFunction;

      VectorTracker();


      VectorTracker(int dim, float largeDistance, const std::vector<float> &normFactors=std::vector<float>(),
                    IDmode idMode=firstFree, float distanceThreshold=0, bool tryOpt=true,
                    DistanceFunction df=DistanceFunction(), bool dfIsQualityFunction=false);


      VectorTracker(const VectorTracker &other);


      VectorTracker &operator=(const VectorTracker &other);

      ~VectorTracker();

      void pushData(const std::vector<Vec> &newData);

      int getID(int index, float *lastErrorOrScore=0) const;

      bool isNull() const;

      int getDim() const;


      void setExtrapolationMask(const std::vector<bool> &mask);

      void setDistanceFunction(DistanceFunction df);

      const std::vector<bool> &getExtrapolationMask() const;

      private:

      struct Data;

      Data *m_data;
    };


  } // namespace cv
}