/// <summary>
/// Backward Laplacian pyramid transform.
/// </summary>
/// <param name="pyramid">Pyramid</param>
/// <returns>Array</returns>
public Complex32[] Backward(Complex32[][] pyramid)
{
int nlev = pyramid.Length;
Complex32[] I = pyramid[nlev];
for (int i = nlev - 1; i >= 0; i--)
{
I = GaussianPyramidTransform.add(pyramid[i], GaussianPyramidTransform.upsample(I, this.radius));
}
return(I);
}
/// <summary>
/// Backward Laplacian pyramid transform.
/// </summary>
/// <param name="pyramid">Pyramid</param>
/// <returns>Matrix</returns>
public float[,] Backward(float[][,] pyramid)
{
int nlev = pyramid.Length - 1;
float[,] I = pyramid[nlev];
for (int i = nlev - 1; i >= 0; i--)
{
I = GaussianPyramidTransform.add(pyramid[i], GaussianPyramidTransform.upsample(I, this.radius));
}
return(I);
}