26 search results - page 3 / 6 » Effective Computation of Rational Approximants and Interpola... |
PG
2002
IEEE
14 years 15 days ago
2002
IEEE
An active contour model for parametric curve and surface approximation is presented. The active curve or surface adapts to the model shape to be approximated in an optimization al...
SMA
2008
ACM
13 years 7 months ago
2008
ACM
We present robust and efficient algorithms for computing Voronoi diagrams of planar freeform curves. Boundaries of the Voronoi diagram consist of portions of the bisector curves b...
SIGGRAPH
1993
ACM
13 years 11 months ago
1993
ACM
Many of the current radiosity algorithms create a piecewise constant approximation to the actual radiosity. Through interpolation and extrapolation, a continuous solution is obtai...
SIAMSC
2008
13 years 7 months ago
2008
Abstract. We present a new derivative-free algorithm, ORBIT, for unconstrained local optimization of computationally expensive functions. A trust-region framework using interpolati...
CIE
2005
Springer
13 years 9 months ago
2005
Springer
Abstract. We present a domain theoretic framework for obtaining exact solutions of linear boundary value problems. Based on the domain of compact real intervals, we show how to app...