/// <summary>
 /// Creates a Gaussian FilterKernel with given sigma and radius.
 /// </summary>
 public static Vector <float> Gaussian1(float sigma, int radius)
 {
     return(Create1DKernel(radius, FilterKernelFun.Gaussian(sigma)).NormalizeToSum1());
 }
 /// <summary>
 /// Creates a Gaussian FilterKernel with given sigma and radius.
 /// </summary>
 public static Matrix <float> Gaussian2(float sigma, int radius)
 {
     return(Create2DKernel(radius, FilterKernelFun.Gaussian2(sigma)).NormalizeToSum1());
 }