// Set new motion processing algorithm
private void SetMotionProcessingAlgorithm(IMotionProcessing processingAlgorithm)
{
lock (this)
{
detector.MotionProcessingAlgorithm = processingAlgorithm;
}
}
private void SetMotionProcessingAlgorithm(IMotionProcessing processingAlgorithm)
{
lock (sync_context)
{
detector.MotionProcessingAlgorithm = processingAlgorithm;
}
}
public static MotionDetector GetDefaultMotionDetector()
{
IMotionDetector detector = null;
IMotionProcessing processor = null;
MotionDetector motionDetector = null;
//detector = new AForge.Vision.Motion.TwoFramesDifferenceDetector()
//{
// DifferenceThreshold = 15,
// SuppressNoise = true
//};
//detector = new AForge.Vision.Motion.CustomFrameDifferenceDetector()
//{
// DifferenceThreshold = 55,
// KeepObjectsEdges = true,
// SuppressNoise = true
//};
detector = new SimpleBackgroundModelingDetector()
{
DifferenceThreshold = 10,
FramesPerBackgroundUpdate = 10,
KeepObjectsEdges = true,
MillisecondsPerBackgroundUpdate = 0,
SuppressNoise = true
};
//processor = new AForge.Vision.Motion.GridMotionAreaProcessing()
//{
// HighlightColor = System.Drawing.Color.Red,
// HighlightMotionGrid = true,
// GridWidth = 100,
// GridHeight = 100,
// MotionAmountToHighlight = 10F
//};
processor = new BlobCountingObjectsProcessing()
{
HighlightColor = System.Drawing.Color.Red,
HighlightMotionRegions = true,
MinObjectsHeight = 200,
MinObjectsWidth = 200
};
motionDetector = new MotionDetector(detector, processor);
return(motionDetector);
}
public MainWindowViewModel()
{
VideoDevices = new ObservableCollection <FilterInfo>();
GetVideoDevices();
IsDesktopSource = true;
StartSourceCommand = new RelayCommand(StartCamera);
StopSourceCommand = new RelayCommand(StopCamera);
StartRecordingCommand = new RelayCommand(StartRecording);
StopRecordingCommand = new RelayCommand(StopRecording);
SaveSnapshotCommand = new RelayCommand(SaveSnapshot);
IpCameraUrl = "http://88.53.197.250/axis-cgi/mjpg/video.cgi?resolution=320×240";
_motionProcessing = new BlobCountingObjectsProcessing(true);
_motionDetector = new SimpleBackgroundModelingDetector(true);
_detector = new MotionDetector(
_motionDetector,
_motionProcessing);
}
/// <summary>
/// Initializes a new instance of the <see cref="MotionDetector"/> class.
/// </summary>
///
/// <param name="detector">Motion detection algorithm to apply to each video frame.</param>
/// <param name="processor">Motion processing algorithm to apply to each video frame after
/// motion detection is done.</param>
///
public MotionDetector(IMotionDetector detector, IMotionProcessing processor)
{
this.detector = detector;
this.processor = processor;
}
public void createMotionDetector()
{
switch (detectionSensitivity)
{
case DETECTIONSENSITIVITY.LOW:
{
sensitivityFactor = 0.15;
break;
}
case DETECTIONSENSITIVITY.MEDIUM:
{
sensitivityFactor = 0.1;
break;
}
case DETECTIONSENSITIVITY.HIGH:
{
sensitivityFactor = 0.01;
break;
}
}
switch (detectionMethod)
{
case MOTION.MOTION_AREA_HIGHLIGHTING:
{
motionProcessor = new MotionAreaHighlighting();
break;
}
case MOTION.MOTION_GRID_AREA_HIGHLIGHTING:
{
motionProcessor = new GridMotionAreaProcessing(5, 5);
break;
}
case MOTION.MOTION_BORDER_HIGHLIGHTING:
{
motionProcessor = new MotionBorderHighlighting();
break;
}
case MOTION.MOTION_BLOB_COUNTER:
{
motionProcessor = new BlobCountingObjectsProcessing();
break;
}
}
switch (detecionSpeed)
{
case DETECTIONSPEED.FAST:
{
skipFrame = 3;
break;
}
case DETECTIONSPEED.MEDIUM:
{
skipFrame = 2;
break;
}
case DETECTIONSPEED.SLOW:
{
skipFrame = 1;
break;
}
}
if (detectionType == DETECTIONTYPE.TWO_FRAMES_DIFFERENCE)
{
detector = new TwoFramesDifferenceDetector(true);
}
else
{
detector = new SimpleBackgroundModelingDetector(true, true);
}
motionDetector = new MotionDetector(detector, motionProcessor);
motionDetector.MotionZones = detectionArea;
}
/// <summary>
/// Initializes a new instance of the <see cref="MotionDetector"/> class.
/// </summary>
///
/// <param name="detector">Motion detection algorithm to apply to each video frame.</param>
/// <param name="processor">Motion processing algorithm to apply to each video frame after
/// motion detection is done.</param>
///
public MotionDetector( IMotionDetector detector, IMotionProcessing processor )
{
this.detector = detector;
this.processor = processor;
}
/// <summary>
/// Initializes a new instance of the <see cref="MotionDetector"/> class.
/// </summary>
///
/// <param name="detector">Motion detection algorithm to apply to each video frame.</param>
/// <param name="processor">Motion processing algorithm to apply to each video frame after
/// motion detection is done.</param>
///
public MotionDetector(IMotionDetector detector, IMotionProcessing processor)
{
_detector = detector;
_processor = processor;
}
/// <summary>
/// Initializes a new instance of the <see cref="MotionDetector"/> class.
/// </summary>
///
/// <param name="detector">Motion detection algorithm to apply to each video frame.</param>
/// <param name="processor">Motion processing algorithm to apply to each video frame after
/// motion detection is done.</param>
///
public MotionDetector( IMotionDetector detector, IMotionProcessing processor )
{
_detector = detector;
_processor = processor;
}
// Set new motion processing algorithm
private void SetMotionProcessingAlgorithm( IMotionProcessing processingAlgorithm )
{
lock ( this )
{
detector.MotionProcessingAlgorithm = processingAlgorithm;
}
}
public void createMotionDetector()
{
switch (detectionSensitivity)
{
case DETECTIONSENSITIVITY.LOW:
{
sensitivityFactor = 0.15;
break;
}
case DETECTIONSENSITIVITY.MEDIUM:
{
sensitivityFactor = 0.1;
break;
}
case DETECTIONSENSITIVITY.HIGH:
{
sensitivityFactor = 0.01;
break;
}
}
switch (detectionMethod)
{
case MOTION.MOTION_AREA_HIGHLIGHTING:
{
motionProcessor = new MotionAreaHighlighting();
break;
}
case MOTION.MOTION_GRID_AREA_HIGHLIGHTING:
{
motionProcessor = new GridMotionAreaProcessing(5, 5);
break;
}
case MOTION.MOTION_BORDER_HIGHLIGHTING:
{
motionProcessor = new MotionBorderHighlighting();
break;
}
case MOTION.MOTION_BLOB_COUNTER:
{
motionProcessor = new BlobCountingObjectsProcessing();
break;
}
}
switch (detecionSpeed)
{
case DETECTIONSPEED.FAST:
{
skipFrame = 3;
break;
}
case DETECTIONSPEED.MEDIUM:
{
skipFrame = 2;
break;
}
case DETECTIONSPEED.SLOW:
{
skipFrame = 1;
break;
}
}
if (detectionType == DETECTIONTYPE.TWO_FRAMES_DIFFERENCE)
detector = new TwoFramesDifferenceDetector(true);
else
detector = new SimpleBackgroundModelingDetector(true, true);
motionDetector = new MotionDetector(detector, motionProcessor);
motionDetector.MotionZones = detectionArea;
}
