public static double CompareActivities(ActivityRecord record, ActivityWindow window, DynamicTimeWarpingCalculationType dtwType, DynamicTimeWarpingPathTypes pathType = DynamicTimeWarpingPathTypes.Standart, bool toUseSakoeChibaBand = false, double bandWidthInProcentage = 0.1)
{
double similarity = 0.0f;
double[,] DTW = new double[record.Frames.Count, window.Frames.Count];
for (int i = 1; i < window.Frames.Count; i++)
{
DTW[0, i] = double.PositiveInfinity;
}
for (int i = 1; i < record.Frames.Count; i++)
{
DTW[i, 0] = double.PositiveInfinity;
}
DTW[0, 0] = 0;
var windowPresentedByImportedSkeletons = new List<ImportedSkeleton>();
foreach (var skeleton in window.Frames)
{
windowPresentedByImportedSkeletons.Add(new ImportedSkeleton(skeleton));
}
int bandWidth = (int)(windowPresentedByImportedSkeletons.Count * bandWidthInProcentage);
if (toUseSakoeChibaBand)
{
for (int i = 1; i < record.Frames.Count; i++)
{
for (int j = 1; j < windowPresentedByImportedSkeletons.Count; j++)
{
int currentCellOnMiddleDiagonal = (int)((j * windowPresentedByImportedSkeletons.Count) / record.Frames.Count);
if (j > currentCellOnMiddleDiagonal - bandWidth && j < currentCellOnMiddleDiagonal + bandWidth) // Checking if the current cell is in the range
{
similarity = SkeletonComparer.CompareWithSMIJ(record.Frames[i], windowPresentedByImportedSkeletons[j], record.MostInformativeJoints);
FillDTWTableCell(pathType, DTW, i, j, similarity);
}
}
}
}
else //Start a DTW search without using Sakoe-Chiba band
{
for (int i = 1; i < record.Frames.Count; i++)
{
for (int j = 1; j < windowPresentedByImportedSkeletons.Count; j++)
{
similarity = SkeletonComparer.CompareWithSMIJ(record.Frames[i], windowPresentedByImportedSkeletons[j], record.MostInformativeJoints);
FillDTWTableCell(pathType, DTW, i, j, similarity);
}
}
}
return DTW[record.Frames.Count - 1, window.Frames.Count - 1] / record.MostInformativeJoints.Count;
}
/// <summary>
/// Log out the currently logged in user and display the login form.
/// </summary>
public void Logout(ActivityWindow activityWindow)
{
this.account = null;
activityWindow.Close();
this.DisplayLoginForm();
}
