/// <summary>
/// This function is called to get normalised result before passing to DTW algorithm.
/// The input from the Kinect and the text files are normalised and passed into DTW.
/// If the gesture name matches with the input, the name of gesture is received in the parameter finalgesture.
/// </summary>
/// <param name="gesturename">It is used to describe the name of gesture in dataset with which the Body coordinates are going to be compared with</param>
/// <returns>returns the gesture matched from DTW</returns>
private string passToDTW(string gesturename)
{
try
{
Recorder recorder = new Recorder();
ArrayList gesturefromkinect = recorder.readFiles(KINECT_COORDINATES);// getting normalised co ordinates here.....
string storedtextLines = System.IO.File.ReadAllText(gesturename);
List <double[]> normalisedresult = new List <double[]>();
string[] result = storedtextLines.Split('@');
for (int i = 0; i < result.Length; i++)
{
normalisedresult = recorder.explode_array(result, ',');
}
string txtFiles = Path.GetFileName(gesturename);
int dimension = 12;
int threshold = 3;
int firstThreshold = 5;
int maxSlope = 2;
int minimumLength = 10;
_dtw = new DTW(dimension, threshold, firstThreshold, maxSlope, minimumLength);
ArrayList arrlstTemp = ArrayList.Adapter(normalisedresult);
Regex regex = new Regex(@"_(.+?)_");
MatchCollection mc2 = regex.Matches(txtFiles);
_dtw.Add(arrlstTemp, "The gesture is " + mc2[0]);
finalgesture = _dtw.recognize(gesturefromkinect);
KINECT_COORDINATES = new string[] { };
}
catch (Exception ex)
{ }
return(finalgesture);
}
/// <summary>
/// This function is called to get normalised result before passing to DTW algorithm.
/// The input from the Kinect and the text files are normalised and passed into DTW.
/// If the gesture name matches with the input, the name of gesture is received in the parameter finalgesture.
/// </summary>
/// <returns>returns the gesture matched from DTW with least cost</returns>
private string passToDTW()
{
string finalgesture = String.Empty;
try
{ //initialization of Dictionary where key=gesture and value is the cost from DTW
var mySortedDictionary = new SortedDictionary <string, double>();
Recorder rd = new Recorder();
ArrayList gesturefromkinect = rd.readfiles(KINECT_COORDINATES);// getting normalised co ordinates here.....
string sourceDirectory = @"d:\DTW_files\2D\Hristo";
var txtFiles = Directory.EnumerateFiles(sourceDirectory, "*.txt");
foreach (string currentFile in txtFiles)
{
System.Diagnostics.Debug.WriteLine("\nComparing with " + currentFile);
string storedtextLines = System.IO.File.ReadAllText(currentFile);
List <double[]> normalisedresult = new List <double[]>();
string[] result = storedtextLines.Split('@');
for (int i = 0; i < result.Length; i++)
{
normalisedresult = rd.explode_array(result, ',');
}
int dimension = 12;
int threshold = 2;
int firstThreshold = 4;
int maxSlope = 2;
int minimumLength = 10;
_dtw = new DTW(dimension, threshold, firstThreshold, maxSlope, minimumLength);
ArrayList arrlstTemp = ArrayList.Adapter(normalisedresult);
_dtw.Add(arrlstTemp, Path.GetFileNameWithoutExtension(currentFile));
finalgesture = _dtw.recognize(gesturefromkinect);
if ((!finalgesture.Contains("__UNKNOWN")))
{
string[] words = finalgesture.Split('@');
double Num;
bool isNum = double.TryParse(words[1], out Num);
if (isNum)
{
mySortedDictionary.Add(words[0], Num);
}
}
KINECT_COORDINATES = new string[] { };
}
//find the gesture with the least cost from the set of the gestures
if (mySortedDictionary.Count >= 1)
{
double[] indexableValues = mySortedDictionary.Values.ToArray();
double min = indexableValues.Min();
string key = (from d in mySortedDictionary where d.Value == min select d).First().Key;
GestureStore ig = new GestureStore("Recoginised as:" + key);
}
}
catch (Exception ex)
{
}
return(finalgesture);
}
