levenshtein.h
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/*
* ASCLITE
* Author: Jerome Ajot, Jon Fiscus, Nicolas Radde, Chris Laprun
*
* This software was developed at the National Institute of Standards and Technology by
* employees of the Federal Government in the course of their official duties. Pursuant
* to title 17 Section 105 of the United States Code this software is not subject to
* copyright protection and is in the public domain. ASCLITE is an experimental system.
* NIST assumes no responsibility whatsoever for its use by other parties, and makes no
* guarantees, expressed or implied, about its quality, reliability, or any other
* characteristic. We would appreciate acknowledgement if the software is used.
*
* THIS SOFTWARE IS PROVIDED "AS IS." With regard to this software, NIST MAKES NO EXPRESS
* OR IMPLIED WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING MERCHANTABILITY,
* OR FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef LEVENSHTEIN_H
#define LEVENSHTEIN_H
#include "aligner.h"
#include "graph.h"
#include "speakermatch.h"
/**
* Implementation of an Aligner with the Levenshtein algorithm
*/
class Levenshtein : public Aligner
{
public:
// class constructor
Levenshtein();
// class destructor
~Levenshtein();
/**
* Align the segments with the Levenshtein algorithm.
*/
virtual void Align() { graph->FillGraph(); }
/**
* Retrieve the results.
*/
virtual GraphAlignedSegment* GetResults() { return graph->RetrieveAlignment(); }
/**
* Initialise the Aligner to work with this set of segments
*/
virtual void SetSegments(SegmentsGroup* segmentsGroup, SpeakerMatch* pSpeakerMatch, const bool& useCompArray);
/**
* Return the minimal cost of the graph
*/
int GetCost() { return graph->GetBestCost(); }
private:
/**
* Implementation of the Graph
*/
Graph* graph;
/**
* Where the ref begin in the list of Segments
*/
size_t refSepIndex;
/** Logger */
static Logger* logger;
};
#endif // LEVENSHTEIN_H