public AnalysisCreationWizard(Form creator, Court court, List<Camera> cameraList, Ball ball, int panel)
{
this.creator = creator;
this.court = court;
this.cameraList = cameraList;
this.ball = ball;
this.currentStep = panel;
InitializeComponent();
}
public decimal PredictFrame(Ball b, int frame)
{
Image<Bgr, byte> frameImg = video.GetFrame(Camera.StartFrame + frame);
ErodeDilateSimplifier s = new ErodeDilateSimplifier(Camera.Iterations);
BgrThresholdsDetector d = new BgrThresholdsDetector(Camera.MinimumThresholds, Camera.MaximumThresholds);
Image<Bgr, byte> simplifiedFrame = s.Simplify(frameImg);
Blob prediction = d.Detect(simplifiedFrame);
if (prediction != null)
{
int apparentWidth = (prediction.Contour.BoundingRectangle.Width + prediction.Contour.BoundingRectangle.Height) / 2;
Distances[frame] = Camera.FocalLength / apparentWidth * b.Diameter;
}
else
{
Distances[frame] = -1; // Ball could not be located in the frame
}
return Distances[frame];
}
private void nextBtn_Click(object sender, EventArgs e)
{
// Store court properties
if (currentStep == 2)
{
court = new Court();
ball = new Ball();
court.Width = court_width.Value;
court.Height = court_height.Value;
ball.Diameter = (int)ball_size.Value;
}
if (currentStep == totalPanels)
{
Finish();
}
else
{
DisplayPanel(++currentStep);
}
}
public void Predict(Ball b)
{
// TODO: The weightings of the final prediction should be based on an inverse square law on the ball
// diameter or inverse relationship of the area
}