public RectangleF GetRegionBounds(FaceRegion region)
{
var points = Landmarks.Where(m => m.Region == region);
var xValues = points.Select(p => p.Coordinates.X);
var yValues = points.Select(p => p.Coordinates.Y);
if (!xValues.Any() || !yValues.Any())
{
return(RectangleF.Empty);
}
float xMin = xValues.Min();
float xMax = xValues.Max();
float yMin = yValues.Min();
float yMax = yValues.Max();
return(new RectangleF(xMin, yMin, xMax - xMin, yMax - yMin));
}
