protected void OnGestureRecognized(GestureModel gesture, double probability)
{
if (GestureReceived != null)
{
GestureEventArgs w = new GestureEventArgs(gesture, probability);
GestureReceived(this, w);
}
}
/**
* This method recognize a specific gesture, given to the procedure.
* For classification a bayes classification algorithm is used.
*
* @param g gesture to classify
*/
public GestureModel classifyGesture(Gesture g)
{
// Calculate the denominator, Bayesian
double sum = 0;
foreach (var model in gesturemodel)
{
sum += model.DefaultProbability *
model.GetMatchProbability(g);
}
GestureModel recognized = null; // which gesture has been recognized
double recogprob = Int32.MinValue; // probability of this gesture
double probgesture = 0; // temporal value for bayes algorithm
double probmodel = 0; // temporal value for bayes algorithm
foreach (var model in gesturemodel)
{
double tmpgesture = model.GetMatchProbability(g);
double tmpmodel = model.DefaultProbability;
if (((tmpmodel * tmpgesture) / sum) > recogprob)
{
probgesture = tmpgesture;
probmodel = tmpmodel;
recogprob = ((tmpmodel * tmpgesture) / sum);
recognized = model;
}
}
// a gesture could be recognized
if (recogprob > 0 && probmodel > 0 && probgesture > 0 && sum > 0)
{
this.lastprob = recogprob;
return(recognized);
}
else
{
// no gesture could be recognized
return(null);
}
}
public GestureModel FinishTrainingSession()
{
if (!this.analyzing && !this.learning)
{
if (this.trainsequence.Any())
{
// Training the model with this.trainsequence.Count gestures...
this.learning = true;
GestureModel m = new GestureModel();
m.Train(this.trainsequence);
this.classifier.addGestureModel(m);
this.trainsequence = new List<Gesture>();
this.learning = false;
return m;
}
}
return null;
}
public GestureModel FinishTrainingSession()
{
if (!this.analyzing && !this.learning)
{
if (this.trainsequence.Any())
{
// Training the model with this.trainsequence.Count gestures...
this.learning = true;
GestureModel m = new GestureModel();
m.Train(this.trainsequence);
this.classifier.addGestureModel(m);
this.trainsequence = new List <Gesture>();
this.learning = false;
return(m);
}
}
return(null);
}
protected void OnGestureRecognized(GestureModel gesture, double probability)
{
if (GestureReceived != null)
{
GestureEventArgs w = new GestureEventArgs(gesture, probability);
GestureReceived(this, w);
}
}
public void addGestureModel(GestureModel gm)
{
this.gesturemodel.Add(gm);
}
public GestureEventArgs(GestureModel gesture, double probability)
{
Gesture = gesture;
Probability = probability;
}
public void addGestureModel(GestureModel gm)
{
this.gesturemodel.Add(gm);
}