private void dispatcherTimer_Tick(object sender, EventArgs e)
{
var frame = new Mat();
Camera.NextFrame(frame);
CameraFrame = frame.ToBitmapSource();
if (SvmClassifier == null)
{
return;
}
if (!IsStarted)
{
return;
}
foreach (var slot in ParkingSlots)
{
var contour = new Contour(slot.Pts
.Select(point => new Contour.Point()
{
X = point.X,
Y = point.Y,
}));
var features = frame.CalculateFeatures(contour, false);
Debug.WriteLine(features);
slot.IsOccupied = SvmClassifier.Predict(features);
}
}
public static List <ImageFeatures> GetObservations(string directoryPath, bool reloadChache = false, Action <int, int> reportProgres = null)
{
if (!reloadChache && LoadCacheObservations(directoryPath, out var observations))
{
return(observations);
}
observations = new List <ImageFeatures>();
var paths = GetPhotos(directoryPath);
var progress = 0;
reportProgres?.Invoke(progress, paths.Count);
foreach (var path in paths)
{
using (var image = new Mat(path))
{
foreach (var slot in LoadSlots(path))
{
var calculateFeatures = image.CalculateFeatures(slot.Contour, slot.IsOccupied);
GC.Collect();
GC.WaitForPendingFinalizers();
observations.Add(calculateFeatures);
}
reportProgres?.Invoke(++progress, paths.Count);
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
SaveCacheObservations(directoryPath, observations);
return(observations);
}
