/// <summary>
/// Main Image Processing Unit Flow
/// </summary>
public override void Job()
{
_publisher.Dettach(this);
Image <Gray, byte> image = _publisher.Data.Image;
DateTime timestamp = _publisher.Data.Timestamp;
if (timestamp != _lastFrameTimeStamp)
{
_lastFrameTimeStamp = timestamp;
if (_isCallibrated)
{
//Start statisctics and stopwatch
_detectionAnalyzer.Next();
//Call Tracker & Set new data to be taken by observers
_ballTracker.InvokeTracking(image.Clone(), timestamp);
//Stop statics and stopwatch
_detectionAnalyzer.Finalize(_ballTracker.IsBallLocationFound);
//Notify Observers
BallLocationPublisher.UpdateAndNotify();
}
else
{
//Call Callibrator
_isCallibrated = _calibrator.InvokeCallibration(image);
}
}
else
{
Log.Image.Error("We received same image twice. Good to check timestamp.");
}
_publisher.Attach(this);
}
/// <summary>
/// Image Processing Unit Constructor
/// </summary>
/// <param name="streamer">Video streamer to get frames from</param>
/// <param name="onUpdateMarkup">Update markup function delegate</param>
/// <param name="onUpdateStatistics">Update statistics delegate</param>
public ImageProcessingUnit(Publisher <Frame> streamer,
Helpers.UpdateMarkupCircleDelegate onUpdateMarkup, Helpers.UpdateStatisticsDelegate onUpdateStatistics) :
base(streamer, onUpdateMarkup, onUpdateStatistics)
{
_calibrator = new CalibrationUnit(UpdateMarkup, UpdateStatistics);
_ballTracker = new Tracker(_calibrator, _publisher, UpdateMarkup, UpdateStatistics);
BallLocationPublisher = new BallLocationPublisher(_ballTracker);
_lastFrameTimeStamp = DateTime.Now;
_detectionAnalyzer = new DetectionStatisticAnalyzer(onUpdateStatistics);
}