/// <summary>
/// Calculate Intersection over Union (IOU) for the given 2 bounding boxes.
/// </summary>
private static float CalculateIOU(CVBoundingBox box0, CVBoundingBox box1)
{
var x1 = Math.Max(box0.Left, box1.Left);
var y1 = Math.Max(box0.Top, box1.Top);
var x2 = Math.Min(box0.Left + box0.Width, box1.Left + box1.Width);
var y2 = Math.Min(box0.Top + box0.Height, box1.Top + box1.Height);
var w = Math.Max(0, x2 - x1);
var h = Math.Max(0, y2 - y1);
return(w * h / ((box0.Width * box0.Height) + (box1.Width * box1.Height) - (w * h)));
}
public PredictionModel(float probability, string tagName, CVBoundingBox boundingBox)
{
this.Probability = probability;
this.TagName = tagName;
this.BoundingBox = boundingBox;
}
