public double Calculate(Region region)
{
double square = squareSign.Calculate(region);
double perimeter = perimeterSign.Calculate(region);
return(perimeter * perimeter / square);
}
public double Calculate(Region region)
{
Point center = centerOfMass.Calculate(region);
return(region.Infos.Select(pixel =>
Math.Pow(pixel.Coords.X - center.X, i) * Math.Pow(pixel.Coords.Y - center.Y, j))
.Sum());
}