/**********************************************************************************
* AUTHOR : Deepu V.
* DATE : 22-AUG-2005
* NAME : recognize
* DESCRIPTION : This is the recognize call
* : The results of the recognition is set on the Recognition context
* : object. In case of BATCH_MODE recognition recognition of every
* : character is performed. otherwise the recognizer updates the outputs
* : with the recognized results
* ARGUMENTS : rc - The recognition context for the current recognition
* RETURNS : SUCCESS/FAILURE
* NOTES :
* CHANGE HISTROY
* Author Date Description of
*************************************************************************************/
int BoxedFieldRecognizer::recognize (LTKRecognitionContext& rc)
{
LOG(LTKLogger::LTK_LOGLEVEL_DEBUG)
<<"Entering: BoxedFieldRecognizer::recognize"
<<endl;
string tempStr = REC_UNIT_INFO; //temp string required to pass the arguments to set/get Flags
int tempFlagValue = 0; //temp int to hold flag values
int errorCode = 0;
vector <LTKWordRecoResult>::iterator resultIter,resultEnd; //iterates through decoded recognition results
int numWordRecoResults ; //Number of results required by the application
int resultIndex ; //index to iterate through the results
vector<unsigned short> resultString; //result
float normConf; //normalized confidence
//Returning FAILURE if the recognition context
//is not segmented into characters
if((errorCode=rc.getFlag(tempStr,tempFlagValue))!=SUCCESS)
{
LOG(LTKLogger::LTK_LOGLEVEL_ERR)
<<"Error: BoxedFieldRecognizer::recognize"<<endl;
LTKReturnError(errorCode);
}
if( tempFlagValue != REC_UNIT_CHAR)
{
LOG(LTKLogger::LTK_LOGLEVEL_ERR)
<<"Error : "<< EINVALID_SEGMENT <<":"<< getErrorMessage(EINVALID_SEGMENT)
<<" BoxedFieldRecognizer::recognize" <<endl;
LTKReturnError(EINVALID_SEGMENT);
}
tempStr =REC_MODE;
if((errorCode=rc.getFlag(tempStr,tempFlagValue))!=SUCCESS)
{
LOG(LTKLogger::LTK_LOGLEVEL_ERR)
<<"Error: BoxedFieldRecognizer::recognize"<<endl;
LTKReturnError(errorCode);
}
if(tempFlagValue == REC_MODE_BATCH)
{
//clear all the recognizer state
clearRecognizerState();
recognizeTraces(rc);
}
else if (tempFlagValue == REC_MODE_STREAMING)
{
recognizeTraces(rc);
}
else
{
LOG(LTKLogger::LTK_LOGLEVEL_ERR)
<<"Error : "<< EINVALID_REC_MODE <<":"<< getErrorMessage(EINVALID_REC_MODE)
<<" BoxedFieldRecognizer::recognize" <<endl;
LTKReturnError(EINVALID_REC_MODE);
}
/* Now all the recognized results are in
* m_decodedResults.
*/
resultEnd = m_decodedResults.end();
for(resultIter = m_decodedResults.begin(); resultIter != resultEnd ; ++resultIter)
{
normConf = (*resultIter).getResultConfidence();
normConf /= ((*resultIter).getResultWord()).size();
(*resultIter).setResultConfidence(normConf);
}
//number of requested results
numWordRecoResults = rc.getNumResults();
//checking with existing recognition results' size
if(numWordRecoResults > m_decodedResults.size())
{
LOG(LTKLogger::LTK_LOGLEVEL_INFO)
<< "Don't have enough results to populate. Num of results available = "
<< m_decodedResults.size() <<", however, results asked for ="
<< numWordRecoResults <<endl;
}
resultEnd = m_decodedResults.end();
for(resultIndex =0,resultIter = m_decodedResults.begin();(resultIndex <numWordRecoResults)&&(resultIter != resultEnd); ++resultIndex,++resultIter)
{
//map the shape ids to unicode IDs
if((errorCode = LTKStrEncoding::shapeStrToUnicode(m_boxedShapeProject,(*resultIter).getResultWord(),resultString)) != SUCCESS)
{
LOG(LTKLogger::LTK_LOGLEVEL_ERR)
<<"Error: BoxedFieldRecognizer::recognize"<<endl;
LTKReturnError(errorCode);
}
//adding the recognition result to recognition context
rc.addRecognitionResult(LTKWordRecoResult(resultString,
(*resultIter).getResultConfidence()));
resultString.clear();
}
//clearing state of the recognizer
clearRecognizerState();
LOG(LTKLogger::LTK_LOGLEVEL_DEBUG)
<<"Exiting: BoxedFieldRecognizer::recognize"
<<endl;
return SUCCESS;
}
