public double SimilarityScoreAgainst(Gesture i_OtherGesture, eAccuracyLevel i_Accuracy)
{
Reset();
List <GesturePose> poses = this.ToList();
i_OtherGesture.Reset();
List <GesturePose> otherPoses = i_OtherGesture.ToList();
double xPosDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Position.x
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Position.x
}).ToList());
double yPosDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Position.y
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Position.y
}).ToList());
double zPosDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Position.z
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Position.z
}).ToList());
double xRotDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Rotation.x
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Rotation.x
}).ToList());
double yRotDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Rotation.y
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Rotation.y
}).ToList());
double zRotDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Rotation.z
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Rotation.z
}).ToList());
double wRotDist = Algorithms.FrechetDistance(poses.Select(pose => new double[2] {
pose.Time, pose.Rotation.w
}).ToList(),
otherPoses.Select(pose => new double[2] {
pose.Time, pose.Rotation.w
}).ToList());
//Debug.Log(i_OtherGesture.name + (xPosDist + yPosDist + zPosDist + xRotDist + yRotDist + zRotDist + wRotDist) / 7);
switch (i_Accuracy)
{
case eAccuracyLevel.All:
return((xPosDist + yPosDist + zPosDist + xRotDist + yRotDist + zRotDist + wRotDist) / 7);
case eAccuracyLevel.Position:
return((xPosDist + yPosDist + zPosDist) / 3);
case eAccuracyLevel.Rotation:
return((xRotDist + yRotDist + zRotDist + wRotDist) / 4);
}
return(Mathf.Infinity);
}
/// <summary>
/// Compares this gesture to the given one and returns a value between 0-1 indicating the match rate of the 2.
/// </summary>
public bool IsSimilarTo(Gesture i_OtherGesture, eAccuracyLevel i_Accuracy)
{
return(SimilarityScoreAgainst(i_OtherGesture, i_Accuracy) < 0.35f);
}
