26 search results - page 2 / 6 » Explicit matrix representation for NURBS curves and surfaces |
CGF
1999
13 years 7 months ago
1999
This work explores how three techniques for defining and representing curves and surfaces can be related efficiently. The techniques are subdivision, least-squares data fitting, a...
SIGGRAPH
2000
ACM
13 years 12 months ago
2000
ACM
Named after the title, the PCCM transformation is a simple, explicit algorithm that creates large, smoothly joining bicubic Nurbs patches from a refined Catmull-Clark subdivision...
DAGSTUHL
2008
13 years 9 months ago
2008
An overall approach to the problem of error analysis in the context of solid modelling, analogous to the standard forward/backward error analysis of Numerical Analysis, was describ...
IMAMS
2007
13 years 9 months ago
2007
In this paper, we consider the problem of analysing the shape of an object defined by polynomial equations in a domain. We describe regularity criteria which allow us to determine...
ICMCS
1999
IEEE
13 years 12 months ago
1999
IEEE
We present a system at the junction between Computer Vision and Computer Graphics, to produce a 3-D model of an object as observed in a single image, with a minimum of high-level ...