B-spline bases for unequally smooth quadratic spline spaces on non-uniform criss-cross triangulations.
Catterina DagninoPaola LambertiSara RemognaPublished in: Numer. Algorithms (2012)
Keyphrases
- b spline
- basis functions
- control points
- tensor product
- curve fitting
- least squares
- affine transformation
- pairwise
- linear combination
- contour extraction
- surface fitting
- free form deformation
- cubic spline
- objective function
- spline curve
- small number
- elastic matching
- deformation field
- riemannian manifolds
- deformable contour
- surface representation
- spline interpolation
- piecewise polynomial