vg-pyramid-maker.h

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// Copyright 2007, Massachusetts Institute of Technology.
// The use of this code is permitted for research only. There is
// absolutely no warranty for this software.
//
// Author: John Lee (jjl@mit.edu)
//

#ifndef PYRAMIDS_VG_PYRAMID_MAKER_H
#define PYRAMIDS_VG_PYRAMID_MAKER_H

#include "clustering/hierarchical-clusterer.h"
#include "histograms/multi-resolution-histogram.h"
#include "point_set/point.h"
#include "point_set/point-set.h"
#include "point_set/point-set-list.h"
#include "pyramids/pyramid-maker.h"
#include "util/distance-computer.h"
#include "util/sparse-vector.h"

namespace libpmk {

class VGPyramidMaker : public PyramidMaker {
public:
  VGPyramidMaker(const HierarchicalClusterer& c,
                 const DistanceComputer& distance_computer);

  virtual MultiResolutionHistogram* MakePyramid(const PointSet& point_set) = 0;

protected:
  const HierarchicalClusterer& clusterer_;

  const Tree<PointTreeNode>& centers_;
  const DistanceComputer& distance_computer_;


  bool GetMembershipPath(const Point& f, LargeIndex* out_path,
                         vector<double>* out_distances);
};
}  // namespace libpmk

#endif  // PYRAMIDS_INPUT_SPECIFIC_VG_PYRAMID_MAKER_H

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