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DGCI
2005
Springer
14 years 2 months ago
Arbitrary 3D Resolution Discrete Ray Tracing of Implicit Surfaces
A new approach to ray tracing implicit surfaces based on recursive space subdivision is presented in this paper. Interval arithmetic, already used to calculate intersections in ray...
Nilo Stolte
ICDT
2005
ACM
88views Database» more  ICDT 2005»
14 years 2 months ago
When Is Nearest Neighbors Indexable?
Abstract. In this paper, we consider whether traditional index structures are effective in processing unstable nearest neighbors workloads. It is known that under broad conditions...
Uri Shaft, Raghu Ramakrishnan
WPES
2004
ACM
14 years 2 months ago
Privacy preserving route planning
The number of location-aware mobile devices has been rising for several years. As this trend continues, these devices may be able to use their location information to provide inte...
Keith B. Frikken, Mikhail J. Atallah
SMA
2003
ACM
169views Solid Modeling» more  SMA 2003»
14 years 2 months ago
Surface reconstruction of freeform objects based on multiresolution volumetric method
3D scanners developed over the past several decades have facilitated the reconstruction of complicated engineering parts. Typically the boundary representation of a part is recons...
Sergei Azernikov, Alex Miropolsky, Anath Fischer
FCT
2003
Springer
14 years 2 months ago
On Boundaries of Highly Visible Spaces and Applications
The purpose of this paper is to investigate the properties of a certain class of highly visible spaces. For a given geometric space C containing obstacles specified by disjoint s...
John H. Reif, Zheng Sun