public static HaarRectangle Parse(string s)
{
string[] values = s.Trim().Split(' ');
int x = int.Parse(values[0], CultureInfo.InvariantCulture);
int y = int.Parse(values[1], CultureInfo.InvariantCulture);
int w = int.Parse(values[2], CultureInfo.InvariantCulture);
int h = int.Parse(values[3], CultureInfo.InvariantCulture);
float weight = float.Parse(values[4], CultureInfo.InvariantCulture);
return new HaarRectangle(x, y, w, h, weight);
}