136 search results - page 3 / 28 » Geometric Modeling of Nano Structures with Periodic Surfaces |
3DPVT
2006
IEEE
13 years 8 months ago
2006
IEEE
Medial surfaces are popular representations of 3D objects in vision, graphics and geometric modeling. They capture relevant symmetries and part hierarchies and also allow for deta...
SMA
2009
ACM
13 years 11 months ago
2009
ACM
We present practical algorithms for accelerating geometric queries on models made of NURBS surfaces using programmable Graphics Processing Units (GPUs). We provide a generalized f...
ICCV
2007
IEEE
13 years 11 months ago
2007
IEEE
Three-dimensional geometric data play fundamental roles in many computer vision applications. However, their scale-dependent nature, i.e. the relative variation in the spatial ext...
CCCG
2010
13 years 6 months ago
2010
We analyze degeneracy of lower envelopes of algebraic surfaces. We focus on the cases omitted in the existing complexity analysis of lower envelopes [Halperin and Sharir 1993], an...
ICPR
2000
IEEE
13 years 9 months ago
2000
IEEE
Polygonal models are the most common representation of structured 3D data in computer graphics, pattern recognition and machine vision. The method presented here automatically ide...