private static extern Int32 ucr_query(double[] q, Int32 m, double r, double[] buffer, Int32 buflen, ref ucr_index result);
// Do some live capturing in here...
private void mWorker_GetSeries(object sender, DoWorkEventArgs e)
{
const int windowSize = 400;
List<Tuple<double,double>> y = new List<Tuple<double, double>>(windowSize);
mSerialPort.DiscardInBuffer();
while (!mTestWorker.CancellationPending) {
GetSerialData(ref y);
// continue if not enough input data sampled...
if (y.Count < windowSize)
continue;
// resize captured data to windowSize - default nothing should be removed...
//y.RemoveRange(windowSize, y.Count - windowSize);
var minValue = double.MaxValue;
Int64 ValXIndex = 0;
Int64 ValYIndex = 0;
string Pattern = "";
double[] bufX = y.Select(x => x.Item1).ToArray();
double[] bufY = y.Select(x => x.Item2).ToArray();
ucr_index resultX = new ucr_index();
ucr_index resultY = new ucr_index();
// apply recorded series to all trained
foreach (var item in mTrainedSeries) {
// compare each trained sequence with currently captured one - X values only atm
double[] trainedX = item.Value.Select(x => x.Item1).ToArray();
double[] trainedY = item.Value.Select(x => x.Item2).ToArray();
// compare x and y signals
if ((ucr_query(trainedX, trainedX.Length, 0.5, bufX, bufX.Length, ref resultX) < 0) /*||
(ucr_query(trainedY, trainedY.Length, 0.5, bufY, bufY.Length, ref resultY) < 0)*/) {
continue;
}
double result = resultX.value + resultY.value;
if (result < minValue) {
minValue = result;
ValXIndex = resultX.index;
ValYIndex = resultY.index;
Pattern = item.Key;
}
}
if (minValue < 3.0) {
mDispatcher.Invoke(() => {
TimerLabel.Content = Pattern + " DETECTED" + "\nCost: " + minValue;
if (Pattern == "Serie #0") {
DetectionLight1.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0x00, 0xFF, 0x00));
} else if (Pattern == "Serie #1") {
DetectionLight2.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0x00, 0xFF, 0x00));
} else if (Pattern == "Serie #2") {
DetectionLight3.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0x00, 0xFF, 0x00));
} else {
DetectionLightx.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0x00, 0xFF, 0x00));
}
});
// clear found pattern from sampled signal to ensure that it is only detected once
int cnt = mTrainedSeries[Pattern].Count;
int start = (int)Math.Min(ValXIndex, ValYIndex);
for (int i = start; i < start + cnt; i++) {
y[i] = y[start];
}
//y.RemoveRange(start, cnt);
//y.InsertRange(start, new List<Tuple<double, double>>(cnt));
} else {
// print result
mDispatcher.Invoke(() => {
TimerLabel.Content = Pattern + "\nCost: " + minValue;
DetectionLight1.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0xFF, 0x00, 0x00));
DetectionLight2.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0xFF, 0x00, 0x00));
DetectionLight3.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0xFF, 0x00, 0x00));
DetectionLightx.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0xFF, 0x00, 0x00));
});
}
//y.RemoveAt(0);
y.RemoveRange(0, 50); // discard values for a half second
}
e.Cancel = true;
}
