Michaël Unser, Dimitri Nestor Alice Van De Ville, Thierry Blu, Yann Barbotin
A fast computational method is given for the Fourier transform of the polyharmonic B-spline autocorrelation sequence in d dimensions. The approximation error is exponentially decaying with the number of terms taken into account. The algorithm improves spee ...
IEEE Institute of Electrical and Electronics Engineers2008