28 search results - page 2 / 6 » On the singularity of a class of parametric curves |
OOGRAPHICS
1994
13 years 9 months ago
1994
class of general differentiable curves and surfaces and in turn refine this design to various parametric representations of curves and surfaces. This design includes all of the sta...
PG
2007
IEEE
13 years 11 months ago
2007
IEEE
We describe a new algorithm for the visualisation of implicit algebraic curves, which isolates the singular points, compute the topological degree around these points in order to ...
VLDB
1999
ACM
13 years 9 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
COMPUTING
2004
13 years 5 months ago
2004
In [1] Optimal Control methods over re-parametrization for curve and surface design were introduced. The advantage of Optimal Control over Global Minimization such as in [17] is t...
CAGD
2006
13 years 5 months ago
2006
Given a smooth surface, a blue (red) ridge is a curve such that at each of its points, the maximum (minimum) principal curvature has an extremum along its curvature line. Ridges a...