public static void CompareMCYT(string aFolder, int aNrOfTrainingSamples, DTWConfiguration aDTWConfig, ref StreamWriter aSWriter)
{
List <Signature> lSignatures = SignatureFileUtils.GetAllSignaturesFromFolder(aFolder);
List <Signature> lTemplate = lSignatures.Skip(25).Take(aNrOfTrainingSamples).ToList();
List <Signature> lOriginalSignatures = lSignatures.Skip(25 + aNrOfTrainingSamples).Take(25 - aNrOfTrainingSamples).ToList();
List <Signature> lImpostorSignatures = lSignatures.Take(15).ToList();
for (int i = 0; i < lTemplate.Count; ++i)
{
var lElement = lTemplate.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lTemplate.RemoveAt(i);
lTemplate.Insert(i, lNewElement);
}
for (int i = 0; i < lOriginalSignatures.Count; ++i)
{
var lElement = lOriginalSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lOriginalSignatures.RemoveAt(i);
lOriginalSignatures.Insert(i, lNewElement);
}
for (int i = 0; i < lImpostorSignatures.Count; ++i)
{
var lElement = lImpostorSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lImpostorSignatures.RemoveAt(i);
lImpostorSignatures.Insert(i, lNewElement);
}
List <double> lOriginalScores = SignatureUtils.SignatureUtils.CompareSignaturesDTW(lTemplate, lOriginalSignatures, aDTWConfig);
List <double> lImpostorScores = SignatureUtils.SignatureUtils.CompareSignaturesDTW(lTemplate, lImpostorSignatures, aDTWConfig);
ErrorCalculation lError = ErrorCalculationFactory.GetDScoreErrorCalculator();
lError.CalculateErrors(lOriginalScores, lImpostorScores, 100);
//var lFARList = lError.GetFARList();
//var lFRRList = lError.GetFRRList();
//var lTresholdList = lError.GetThresholdList();
//for(int i = 0; i < lFARList.Count; ++i)
//{
// aSWriter.WriteLine(lFARList.ElementAt(i) + "," + lFRRList.ElementAt(i) + ", " + lTresholdList.ElementAt(i));
//}
aSWriter.WriteLine(lError.GetERR());
}
public static void Compare(string aFolder, DTWConfiguration aDTWConfig, ref StreamWriter aSWriter)
{
List <Signature> lSignatures = SignatureFileUtils.GetAllSignaturesFromFolder(aFolder);
List <Signature> lTemplate = lSignatures.Take(5).ToList();
List <Signature> lOriginalSignatures = lSignatures.Skip(5).Take(13).ToList();
List <Signature> lImpostorSignatures = lSignatures.Skip(18).Take(9).ToList();
for (int i = 0; i < lTemplate.Count; ++i)
{
var lElement = lTemplate.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lTemplate.RemoveAt(i);
lTemplate.Insert(i, lNewElement);
}
for (int i = 0; i < lOriginalSignatures.Count; ++i)
{
var lElement = lOriginalSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lOriginalSignatures.RemoveAt(i);
lOriginalSignatures.Insert(i, lNewElement);
}
for (int i = 0; i < lImpostorSignatures.Count; ++i)
{
var lElement = lImpostorSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lImpostorSignatures.RemoveAt(i);
lImpostorSignatures.Insert(i, lNewElement);
}
List <double> lOriginalScores = SignatureUtils.SignatureUtils.CompareSignaturesDTW(lTemplate, lOriginalSignatures, aDTWConfig);
List <double> lImpostorScores = SignatureUtils.SignatureUtils.CompareSignaturesDTW(lTemplate, lImpostorSignatures, aDTWConfig);
ErrorCalculation lError = ErrorCalculationFactory.GetDScoreErrorCalculator();
lError.CalculateErrors(lOriginalScores, lImpostorScores, 100);
aSWriter.WriteLine(lError.GetERR());
}
public static double CompareMobisigFeatureBased(string aFolder, int aNrOfTrainingSamples, ref StreamWriter aSWriter)
{
List <Signature> lSignatures = SignatureFileUtils.GetAllSignaturesFromFolder(aFolder);
List <Signature> lTemplate = lSignatures.Skip(20).Take(aNrOfTrainingSamples).ToList();
List <Signature> lOriginalSignatures = lSignatures.Skip(20 + aNrOfTrainingSamples).Take(25 - aNrOfTrainingSamples).ToList();
List <Signature> lImpostorSignatures = lSignatures.Take(15).ToList();
//retrieve feature set
List <SignatureFeatures> lFeaturesTemplate = new List <SignatureFeatures>();
List <SignatureFeatures> lFeaturesOriginal = new List <SignatureFeatures>();
List <SignatureFeatures> lFeaturesImpostor = new List <SignatureFeatures>();
for (int i = 0; i < lTemplate.Count; ++i)
{
var lElement = lTemplate.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lTemplate.RemoveAt(i);
lTemplate.Insert(i, lNewElement);
lFeaturesTemplate.Add(FeatureCalculator.CalculateFeatures(lElement));
}
for (int i = 0; i < lOriginalSignatures.Count; ++i)
{
var lElement = lOriginalSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lOriginalSignatures.RemoveAt(i);
lOriginalSignatures.Insert(i, lNewElement);
lFeaturesOriginal.Add(FeatureCalculator.CalculateFeatures(lElement));
}
for (int i = 0; i < lImpostorSignatures.Count; ++i)
{
var lElement = lImpostorSignatures.ElementAt(i);
var lNewElement = SignatureUtils.SignatureUtils.CalculateCharacteristics(lElement);
lNewElement = SignatureUtils.SignatureUtils.StandardizeSignature(lNewElement);
lImpostorSignatures.RemoveAt(i);
lImpostorSignatures.Insert(i, lNewElement);
lFeaturesImpostor.Add(FeatureCalculator.CalculateFeatures(lElement));
}
EuclideanDetector lEuclideanDetector = new EuclideanDetector(lFeaturesTemplate);
//aDetector.CalculateScores()
List <double> lOriginalScores = lEuclideanDetector.CompareToTemplate(lFeaturesOriginal);
List <double> lImpostorScores = lEuclideanDetector.CompareToTemplate(lFeaturesImpostor);
ErrorCalculation lError = ErrorCalculationFactory.GetDScoreErrorCalculator();
lError.CalculateErrors(lOriginalScores, lImpostorScores, 100);
//var lFARList = lError.GetFARList();
//var lFRRList = lError.GetFRRList();
//var lTresholdList = lError.GetThresholdList();
//for(int i = 0; i < lFARList.Count; ++i)
//{
// aSWriter.WriteLine(lFARList.ElementAt(i) + "," + lFRRList.ElementAt(i) + ", " + lTresholdList.ElementAt(i));
//}
aSWriter.WriteLine(lError.GetERR());
return(lError.GetERR());
}