public HandDetectorState DetectHand(Bitmap source)
{
ImageFrame = new Image <Bgr, byte>(source);
var skinDetector = new HsvSkinDetector();
var skin = skinDetector.DetectSkin(ImageFrame, hsv_min, hsv_max);
ExtractContourAndHull(ImageFrame, skin);
var result = DrawAndComputeFingersNum();
startIndex = null;
endIndex = null;
depthIndex = null;
defects = null;
currentContour = null;
var handDetectorState =
new HandDetectorState()
{
Coordinates = result, IsActive = IsDrawing(), CountedCoordinates = MainWindow.CountMousePosition(ImageFrame, result)
};
return(handDetectorState);
}
protected virtual void OnActionChanged(HandDetectorState handDetectorState)
{
HandDetectorEvent?.Invoke(this, new HandDetectorEventArgs()
{
HandDetectorState = handDetectorState
});
}
private void DetectorTimerTick(object sender, EventArgs e)
{
var currentFrame = _capture.QueryFrame();
var mirrorFrame = new Mat();
CvInvoke.Flip(currentFrame, mirrorFrame, FlipType.Horizontal);
var handDetectorState = DetectHand(mirrorFrame.Bitmap);
float sumx = 0;
float sumy = 0;
int isActiveCount = 0;
foreach (var state in previousStates)
{
sumx += state.Coordinates.X;
sumy += state.Coordinates.Y;
if (state.IsActive)
{
isActiveCount++;
}
}
float avgx = sumx / previousStates.Count();
float avgy = sumy / previousStates.Count();
if (Math.Abs(avgx - handDetectorState.Coordinates.X) <= PossibleDiffrence && Math.Abs(avgy - handDetectorState.Coordinates.Y) <= PossibleDiffrence)
{
CurrentState = handDetectorState;
}
if (previousStates.Count >= QueueSize)
{
previousStates.Dequeue();
}
previousStates.Enqueue(handDetectorState);
}
public void Run()
{
previousStates = new Queue <HandDetectorState>(QueueSize);
_capture = new VideoCapture();
//_detectorTimer = new DispatcherTimer();
//_detectorTimer.Tick += DetectorTimerTick;
//_detectorTimer.Interval = new TimeSpan(0, 0, 0, 0, 10);
//_detectorTimer.Start();
while (true)
{
var currentFrame = _capture.QueryFrame();
var mirrorFrame = new Mat();
CvInvoke.Flip(currentFrame, mirrorFrame, FlipType.Horizontal);
var handDetectorState = DetectHand(mirrorFrame.Bitmap);
float sumx = 0;
float sumy = 0;
int isActiveCount = 0;
foreach (var state in previousStates)
{
sumx += state.Coordinates.X;
sumy += state.Coordinates.Y;
if (state.IsActive)
{
isActiveCount++;
}
}
float avgx = sumx / previousStates.Count();
float avgy = sumy / previousStates.Count();
if (Math.Abs(avgx - handDetectorState.Coordinates.X) <= PossibleDiffrence && Math.Abs(avgy - handDetectorState.Coordinates.Y) <= PossibleDiffrence)
{
if ((handDetectorState.IsActive && !CurrentState.IsActive) || (!handDetectorState.IsActive && CurrentState.IsActive))
{
if (handDetectorState.IsActive && isActiveCount < QueueSize / 1.5)
{
handDetectorState.IsActive = false;
}
OnActionChanged(handDetectorState);
}
CurrentState = handDetectorState;
}
if (previousStates.Count >= QueueSize)
{
previousStates.Dequeue();
}
previousStates.Enqueue(handDetectorState);
Thread.Sleep(0);
}
}
