public GestureModel(IEnumerable <ICollection <Touch> > userTraces)
{
models = new HiddenModel[activeFeatures.Length];
var modelCreator = new SimpleMultiplePathsModelCreator();
//calc features foreach trace
foreach (var trace in userTraces)
{
featureTraces.Add(new TraceFeatures(trace));
}
int iModel = 0;
foreach (var feature in activeFeatures)
{
var symbolTracesByFeature = new LinkedList <ICollection <Observation> >();
var symbolGenerator = new ExtremaSymbolGenerator(feature, true);
foreach (var featureTrace in featureTraces)
{
var symbolTraces = symbolGenerator.generateSymbolTrace(featureTrace);
symbolTracesByFeature.AddLast(symbolTraces);
}
models[iModel++] = modelCreator.createModel(symbolTracesByFeature);
}
}
public double evaluate(ICollection <Touch> trace, bool endStateOnly = false)
{
var evals = new double[activeFeatures.Length];
var traceFeature = new TraceFeatures(trace);
int iModel = 0;
foreach (var feature in activeFeatures)
{
var symbolGenerator = new ExtremaSymbolGenerator(feature, true);
evals[iModel] = models[iModel].evaluate(symbolGenerator.generateSymbolTrace(traceFeature), endStateOnly);
iModel++;
}
if (evals.Any(e => e == 0 || double.IsNaN(e)))
{
return(0);
}
return(evals.Average());
}