public static VerificationResults.BasicResult DoVerification(IVerificationSystem verifier, GestureDataSet trainingSet, GestureDataSet genuineSet, GestureDataSet forgerySet)
{
Stopwatch swTrain = new Stopwatch();
//train recognition system
verifier.clearGestures();
swTrain.Restart();
foreach (var e in trainingSet)
{
verifier.trainGesture(e.Key, e.Value);
}
swTrain.Stop();
int nFalseAccepts = 0;
int nFalseRejects = 0;
int nGenuineAttempts = 0;
//test genuine
foreach (var e in genuineSet)
{
foreach (var trace in e.Value)
{
var userVerified = verifier.verifyGesture(e.Key, trace);
if (!userVerified)
{
nFalseRejects++;
}
nGenuineAttempts++;
}
}
int nForgeryAttempts = 0;
//test forgeries
foreach (var e in forgerySet)
{
foreach (var trace in e.Value)
{
var userVerified = verifier.verifyGesture(e.Key, trace);
if (userVerified)
{
nFalseAccepts++;
}
nForgeryAttempts++;
}
}
double FAR = (double)nFalseAccepts / nForgeryAttempts;
double FRR = (double)nFalseRejects / nGenuineAttempts;
return(new VerificationResults.BasicResult(FAR, FRR));
}
public VerificationExperiment(IVerificationSystem verifier /*, IVerificationSubsetCreator subsetCreator, ITraceDataProcessor traceProcessor*/, string setName)
{
gestureSetName = setName;
this.verifier = verifier;
//this.subsetCreator = subsetCreator;
//this.traceProcessor = traceProcessor;
var allSets = DataSets.getVerificationDataSet(gestureSetName);
trainingSet = allSets.First();
genuineSet = allSets.Skip(1).First();
forgerySet = allSets.Skip(2).First();
}
