On calculating normalized Powell-Sabin B-splines.

Published in: Comput. Aided Geom. Des. (1997)

Keyphrases

b spline
control points
least squares
basis functions
curve fitting
tensor product
affine transformation
attribute weights
contour extraction
deformation field
spatially variant
medical images
displacement field
cubic spline
surface fitting
piecewise polynomial
similarity measure
free form deformation