levenshtein.cpp
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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.
*/
/**
* Implementation of an Aligner with the Levenshtein algorithm
*/
#include "levenshtein.h" // class's header file
Logger* Levenshtein::logger = Logger::getLogger();
// class constructor
Levenshtein::Levenshtein()
{
graph = NULL;
}
// class destructor
Levenshtein::~Levenshtein()
{
// insert your code here
if(graph)
delete graph;
}
/**
* Initialise the Aligner to work with this set of segments
*/
void Levenshtein::SetSegments(SegmentsGroup* segmentsGroup, SpeakerMatch* pSpeakerMatch, const bool& useCompArray)
{
if (graph != NULL)
delete graph;
string opt_case = Properties::GetProperty("align.optionally");
bool opt_ref = false;
bool opt_hyp = false;
if (string("both").compare(opt_case) == 0 || string("ref").compare(opt_case) == 0)
{
opt_ref = true;
}
else if (string("both").compare(opt_case) == 0 || string("hyp").compare(opt_case) == 0)
{
opt_hyp = true;
}
else if (string("none").compare(opt_case) == 0)
{
opt_ref = false;
opt_hyp = false;
}
else
{
LOG_WARN(logger, "The <align.optionally> property has an unrecognized value: '"+opt_case+"'");
}
int typecost = atoi(Properties::GetProperty("align.typecost").c_str());
if(typecost == 2)
{
LOG_DEBUG(logger, "Using Time base cost model");
//graph = new Graph(segmentsGroup, pSpeakerMatch, typecost, 400, 300, 200, 100, 50, opt_ref, opt_hyp, useCompArray);
}
else
{
LOG_DEBUG(logger, "Using Word cost model");
//graph = new Graph(segmentsGroup, pSpeakerMatch, typecost, 400, 300, 200, 100, 50, opt_ref, opt_hyp, useCompArray);
}
graph = new Graph(segmentsGroup, pSpeakerMatch, typecost, 400, 300, 200, 100, 50, opt_ref, opt_hyp, useCompArray);
}