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CGF
2000
91views more  CGF 2000»
13 years 7 months ago
Floating Points: A method for computing stipple drawings
We present a method for computer generated pen-and-ink illustrations by the simulation of stippling. In a stipple drawing, dots are used to represent tone and also material of sur...
Oliver Deussen, Stefan Hiller, Cornelius W. A. M. ...
IJCGA
2002
73views more  IJCGA 2002»
13 years 7 months ago
A Simple Factor-2/3 Approximation Algorithm for Two-Circle Point Labeling
Given a set P of n points in the plane, the two-circle point-labeling problem consists of placing 2n uniform, non-intersecting, maximum-size open circles such that each point touc...
Alexander Wolff, Michael Thon, Yin-Feng Xu
ICRA
2010
IEEE
99views Robotics» more  ICRA 2010»
13 years 6 months ago
Retraction-based RRT planner for articulated models
— We present a new retraction algorithm for high DOF articulated models and use our algorithm to improve the performance of RRT planners in narrow passages. The retraction step i...
Jia Pan, Liangjun Zhang, Dinesh Manocha
TSMC
2008
148views more  TSMC 2008»
13 years 6 months ago
Compact Modeling Technique for Outdoor Navigation
In this paper, a new methodology to build compact local maps in real time for outdoor robot navigation is presented. The environment information is obtained from a 3-D scanner lase...
Cristina Castejón, Dolores Blanco, Luis Mor...
GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi