public void ProcessFrame(GameTime gameTime, Double elapsedTime)
{
Image <Bgr, Byte> image = _capture.QueryFrame().Flip(Emgu.CV.CvEnum.FLIP.HORIZONTAL);
Image <Gray, Byte> gray = image.Convert <Gray, Byte>(); //Convert it to Grayscale
//normalizes brightness and increases contrast of the image
gray._EqualizeHist();
//If find faces is set and the Correct amount of time has passed
if (this.FindFaces &&
(ReadFaceTime < elapsedTime + UpdateFaceFrameInterval))
{
fd.ProcessFrame(ref image, ref gray, this.SetBitmap);
ReadFaceTime = elapsedTime + UpdateFaceFrameInterval;
}
//If find motion is set and the correct amount of time has passed
if (this.FindMotion &&
(ReadMotionTime < elapsedTime + UpdateMotionDetectorFrameInterval))
{
md.ProcessFrame(ref image, this.SetBitmap, gameTime);
ReadMotionTime = elapsedTime + UpdateMotionDetectorFrameInterval;
}
if (SetBitmap)
{
bimage = image.Bitmap;
}
}
private void videoSourcePlayer1_NewFrame(object sender, ref Bitmap image)
{
detectionLevel = detector.ProcessFrame(image);
}
private async Task <MotionDetectionResult> DetectMotionAsync(Bitmap previousFrame, Bitmap currentFrame)
{
var stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
var result = _motionDetector.ProcessFrame(currentFrame);
stopwatch.Stop();
MovementDirection xDirection = MovementDirection.None;
MovementDirection yDirection = MovementDirection.None;
if (result > DetectorConfiguration.Sensitivity)
{
var motionZonesList = new List <System.Drawing.Rectangle>();
for (int x = 0, i = 0; x < _processor.MotionGrid.GetLength(0); x++)
{
for (int y = 0; y < _processor.MotionGrid.GetLength(1); y++, i++)
{
if (_processor.MotionGrid[x, y] <= _processor.MotionAmountToHighlight)
{
continue;
}
motionZonesList.Add(new System.Drawing.Rectangle(new System.Drawing.Point(x, y), new System.Drawing.Size(new System.Drawing.Point(0))));
}
}
_motionDetector.MotionZones = motionZonesList.ToArray();
if (_motionDetector.MotionZones != null && _motionDetector.MotionZones.Length > 0)
{
var currentAverage = new System.Drawing.Point((int)_motionDetector.MotionZones.Average(x => x.Y), (int)_motionDetector.MotionZones.Average(x => x.X));
{
if (currentAverage.X < _lastDetectionAveragePosition.X)
{
xDirection = MovementDirection.Left;
}
else
{
xDirection = MovementDirection.Right;
}
}
if (currentAverage.Y < _lastDetectionAveragePosition.Y)
{
yDirection = MovementDirection.Up;
}
else
{
yDirection = MovementDirection.Down;
}
if (directionStopwatch.Elapsed.TotalMilliseconds > _directionDetectionTime)
{
_line.X1 = _lastDetectionAveragePosition.X * DetectionGrid.ActualWidth / DetectorConfiguration.Size;
_line.Y1 = _lastDetectionAveragePosition.Y * DetectionGrid.ActualHeight / DetectorConfiguration.Size;
directionStopwatch.Restart();
ResetDetector();
}
_lastDetectionAveragePosition = currentAverage;
_lastDirection = xDirection;
_line.X2 = _lastDetectionAveragePosition.X * DetectionGrid.ActualWidth / DetectorConfiguration.Size;
_line.Y2 = _lastDetectionAveragePosition.Y * DetectionGrid.ActualHeight / DetectorConfiguration.Size;
;
XDirectionTextBlock.Text = xDirection.ToString();
YDirectionTextBlock.Text = yDirection.ToString();
}
ResetDetector();
}
return(new MotionDetectionResult()
{
Direction = (xDirection, yDirection),
DetectionTimeMilliseconds = stopwatch.Elapsed.TotalMilliseconds
});