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VRST
1997
ACM
14 years 25 days ago
An efficient collision detection algorithm using range data for walk-through systems
We present a simple, but efficient view collision detection method for the walk-through system. The basic idea is to check if the current view position intersects with the range d...
SonOu Lee, JunHyeok Heo, KwangYun Wohn
ICIP
2006
IEEE
14 years 10 months ago
Efficient Reconstruction of Hexagonally Sampled Data using Three-Directional Box-Splines
Three-directional box-splines are particularly well-suited to interpolate and approximate hexagonally sampled data. In this paper, we propose a computationally efficient end-toend...
Laurent Condat, Dimitri Van De Ville, Michael Unse...
CGF
2002
142views more  CGF 2002»
13 years 8 months ago
Efficient Fitting and Rendering of Large Scattered Data Sets Using Subdivision Surfaces
We present a method to efficiently construct and render a smooth surface for approximation of large functional scattered data. Using a subdivision surface framework and techniques...
Vincent Scheib, Jörg Haber, Ming C. Lin, Hans...
IJPRAI
2008
144views more  IJPRAI 2008»
13 years 8 months ago
Unsupervised Learning of a Hierarchy of Topological Maps Using Omnidirectional Images
unsupervised construction of topological maps, which provide an abstraction of the environment in terms of visual aspects. An unsupervised clustering algorithm is used to represent...
Ales Stimec, Matjaz Jogan, Ales Leonardis
DIALM
2004
ACM
124views Algorithms» more  DIALM 2004»
14 years 2 months ago
Localized techniques for broadcasting in wireless sensor networks
We present three localized techniques for broadcasting in large scale ad hoc networks, i.e., for the problem of disseminating a message from a source node to all the nodes in the ...
Lorenzo Orecchia, Alessandro Panconesi, Chiara Pet...