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CAGD
2007
156views more  CAGD 2007»
14 years 11 months ago
A control polygon scheme for design of planar C2 PH quintic spline curves
A scheme to specify planar C2 Pythagorean-hodograph (PH) quintic spline curves by control polygons is proposed, in which the “ordinary” C2 cubic B-spline curve serves as a ref...
Francesca Pelosi, Maria Lucia Sampoli, Rida T. Far...
ICPR
2006
IEEE
16 years 26 days ago
Geodesic Curves for Analysis of Continuous Implicit Shapes
A method is proposed for performing shape analysis of m-surfaces, e.g. planar curves and surfaces, with a geometric interpretation. The analysis uses an implicit surface represent...
Jan Erik Solem
ICASSP
2011
IEEE
14 years 3 months ago
Interpolation based on stationary and adaptive AR(1) modeling
In this paper, we describe a minimal mean square error (MMSE) optimal interpolation filter for discrete random signals. We explicitly derive the interpolation filter for a firs...
Eija Johansson, Marie Strom, Mats Viberg, Lennart ...
ICIP
2002
IEEE
16 years 1 months ago
Image resampling between orthogonal and hexagonal lattices
Resampling techniques are commonly required in digital image processing systems. Many times the classical interpolation functions are used, i.e., nearest-neighbour interpolation a...
Dimitri Van De Ville, Rik Van de Walle, Wilfried P...
IV
1999
IEEE
122views Visualization» more  IV 1999»
15 years 4 months ago
A Method for Deforming Polygonal Shapes into Smooth Spline Surface Models
This paper describes a new spline formulation that supports deformation of polygonal shapes into smooth spline surface models. Once a polygonal shape with underlying rectangular t...
Chiew-Lan Tai, Kia-Fock Loe, Brian A. Barsky, Yim-...