private void Track()
{
if (image == null)
{
return;
}
// calculate the back projection of the current image on top of the initial histogram.
using (CVImage bp = image.CalcBackProject(this.initialHistogram))
{
// show the back projection.
backProjectImage.Image = bp.ToBitmap();
// calculate mean shift with user parameters and region of interest.
CVConnectedComp conn = bp.MeanShift(originalImage.SelectionRect, Iterations);
// update region of interest according to mean shift result.
originalImage.SelectionRect = conn.Rect;
}
// rotate update counter only if rate != 0.
if (UpdateHistogramRate != 0)
{
updateHistoCounter = (updateHistoCounter + 1) % UpdateHistogramRate;
// update histogram is counter reached 0.
if (updateHistoCounter == 0)
{
UpdateHistogram();
}
}
// refresh images.
RefreshImages();
}
