138 search results - page 6 / 28 » Approximation by Conic Splines |
JMIV
2007
13 years 8 months ago
2007
: In this paper, we study the parameter estimation problem in a general heteroscedastic linear system, by putting the problem in the framework of the bilinear approach to low-rank ...
CAGD
2006
13 years 8 months ago
2006
We show that many rational parametric curves can be interpolated, in a Hermite sense, by polynomial curves whose degree, relative to the number of data being interpolated, is lowe...
DAGSTUHL
2010
13 years 10 months ago
2010
We present a method for hierarchical data approximation using curved quadratic simplicial elements for domain decomposition. Scientific data defined over two- or three-dimensional ...
SMI
2010
IEEE
13 years 7 months ago
2010
IEEE
We present a method to compute the medial axis of a smooth curve or surface by using PHT-spline (polynomial splines over hierarchical T-meshes) hierarchical approximation. In part...
JAT
2010
13 years 3 months ago
2010
For r 3, n N and each 3-monotone continuous function f on [a, b] (i.e., f is such that its third divided differences [x0, x1, x2, x3] f are nonnegative for all choices of distin...