/// <summary>
///
/// </summary>
public Canny()
{
hystersis = new Hystersis();
gaussian = new Gaussian();
nonMaximum = new NonMaximumSupression();
}
/// <summary>
///
/// </summary>
public MarrHildreth()
{
g = new Gaussian();
logauss = new LaplacianOfGauss();
}