Magnification using first order
Magnification using second order
Magnification using third order
First horizontal derivative for second order
Dimitri Van De Ville
Maple worksheets to obtain the analytical formula of any hex-spline (any order, regular, non-regular, derivatives, and so on)
You are free to use this software for research purposes, but you should not redistribute it without our consent. In addition, we expect you to include adequate citations and acknowledgments whenever you present or publish results that are based on it.
Dimitri Van De Ville, Thierry Blu, Michael Unser, Wilfried Philips, Ignace Lemahieu, Rik Van de Walle, "Hex-splines: A novel spline family for hexagonal lattices," IEEE Transactions on Image Processing, 13(6), pp. 758-772, June 2004.|