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SMA
1997
ACM
120views Solid Modeling» more  SMA 1997»
13 years 8 months ago
The Generic Geometric Complex (GGC): A Modeling Scheme for Families of Decomposed Pointsets
: Modeling of families of geometric objects is a major topic in modern geometric and solid modeling. Object families are central to many important solid modeling applications, incl...
Ari Rappoport
SPATIALCOGNITION
1998
Springer
13 years 8 months ago
Shape Nouns and Shape Concepts: A Geometry for 'Corner'
This paper investigates geometric and ontological aspects of shape concepts underlying the semantics of nouns. Considering the German shape nouns Ecke and Knick (corner and kink) w...
Carola Eschenbach, Christopher Habel, Lars Kulik, ...
PG
1999
IEEE
13 years 8 months ago
Mesh Approximation Using a Volume-Based Metric
In this paper we introduce a mesh approximation method that uses a volume-based metric. After a geometric simplification, we minimize the volume between the simplified mesh and th...
Pierre Alliez, Nathalie Laurent, Henri Sanson, Fra...
ICRA
1999
IEEE
109views Robotics» more  ICRA 1999»
13 years 8 months ago
Achieving Fine Absolute Positioning Accuracy in Large Powerful Manipulators
Important robotic tasks could be most effectively done by powerful and accurate manipulators. However, high accuracy is generally unattainable in manipulators capable of producing...
Marco A. Meggiolaro, Peter C. L. Jaffe, Steven Dub...
SIGGRAPH
2010
ACM
13 years 8 months ago
Feature-aligned T-meshes
High-order and regularly sampled surface representations are more efficient and compact than general meshes and considerably simplify many geometric modeling and processing algor...
Ashish Myles, Nico Pietroni, Denis Kovacs, Denis Z...
IV
2002
IEEE
124views Visualization» more  IV 2002»
13 years 9 months ago
Numerical Solving of Geometric Constraints
: In computer-aided design, geometric modeling by constraints enables users to describe shapes by relationships called constraints between geometric elements. The problem is to der...
Samy Ait-Aoudia
ICRA
2003
IEEE
121views Robotics» more  ICRA 2003»
13 years 9 months ago
A comparison of Gaussian and mean curvatures estimation methods on triangular meshes
Estimating intrinsic geometric properties of a surface from a polygonal mesh obtained from range data is an important stage of numerous algorithms in computer and robot vision, co...
Tatiana Surazhsky, Evgeni Magid, Octavian Soldea, ...
IMR
2004
Springer
13 years 9 months ago
Parallel Mesh Refinement Without Communication
This paper presents a technique for the adaptive refinement of tetrahedral meshes. What makes it unique is that no neighbor information is required for the refined mesh to be co...
Philippe P. Pébay, David C. Thompson
COMPGEOM
2004
ACM
13 years 9 months ago
Deterministic sampling and range counting in geometric data streams
We present memory-efficient deterministic algorithms for constructing -nets and -approximations of streams of geometric data. Unlike probabilistic approaches, these deterministic...
Amitabha Bagchi, Amitabh Chaudhary, David Eppstein...
KIVS
2005
Springer
13 years 9 months ago
A Case for Lightweight SuperPeer Topologies
: The usage of SuperPeers has been proposed to improve the performance of both Structured and Unstructured Peer-to-Peer (P2P) networks. In this paper we explore a network-aware cla...
Michael Kleis, Eng Keong Lua, Xiaoming Zhou