Nonnegative surface fitting with Powell-Sabin splines.

Karin Willemans Paul Dierckx

Published in: Numer. Algorithms (1995)

Keyphrases

surface fitting
b spline
least squares
surface reconstruction
nonnegative matrix factorization
matrix factorisation
basis functions
linear programming
objective function
image volumes
closed form
newly defined
deformation field
cubic spline
shape preserving
simplex search
image sequences