/// <summary>
/// Constructs a new Blend filter.
/// </summary>
///
/// <param name="overlayImage">The overlay image (also called the anchor).</param>
///
public Blend(Bitmap overlayImage)
: this(Matrix.Identity(3), overlayImage)
{
}
/// <summary>
/// Creates a centering matrix of size n x n in the form (I - 1n)
/// where 1n is a matrix with all entries 1/n.
/// </summary>
public static double[,] Centering(int size)
{
return(Matrix.Identity(size).Subtract(Matrix.Create(size, 1.0 / size)));
}
