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CAD
2006
Springer
15 years 6 months ago
A C-tree decomposition algorithm for 2D and 3D geometric constraint solving
In this paper, we propose a method which can be used to decompose a 2D or 3D constraint problem into a C-tree. With this decomposition, a geometric constraint problem can be reduc...
Xiao-Shan Gao, Qiang Lin, Gui-Fang Zhang
CGF
2007
135views more  CGF 2007»
15 years 6 months ago
Variational 3D Shape Segmentation for Bounding Volume Computation
We propose a variational approach to computing an optimal segmentation of a 3D shape for computing a union of tight bounding volumes. Based on an affine invariant measure of e-ti...
Lin Lu, Yi-King Choi, Wenping Wang, Myung-Soo Kim
CORR
2007
Springer
79views Education» more  CORR 2007»
15 years 6 months ago
Singular Curves in the Joint Space and Cusp Points of 3-RPR parallel manipulators
This paper investigates the singular curves in the joint space of a family of planar parallel manipulators. It focuses on special points, referred to as cusp points, which may app...
Mazen Zein, Philippe Wenger, Damien Chablat
182
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JMIV
2000
125views more  JMIV 2000»
15 years 6 months ago
Recognizing 3D Objects Using Tactile Sensing and Curve Invariants
A general paradigm for recognizing 3D objects is offered, and applied to some geometric primitives (spheres, cylinders, cones, and tori). The assumption is that a curve on the surf...
Daniel Keren, Ehud Rivlin, Ilan Shimshoni, Isaac W...
IVC
2002
112views more  IVC 2002»
15 years 6 months ago
Using distance transforms to decompose 3D discrete objects
Object decomposition into simpler parts greatly diminishes the complexity of a recognition task. In this paper, we present a method to decompose a 3D discrete object into nearly c...
Stina Svensson, Gabriella Sanniti di Baja