Sciweavers

2349 search results - page 399 / 470
» Four gravity results
Sort
View
VIS
2009
IEEE
304views Visualization» more  VIS 2009»
16 years 7 months ago
GL4D: A GPU-based Architecture for Interactive 4D Visualization
This paper describes GL4D, an interactive system for visualizing 2-manifolds and 3-manifolds embedded in four Euclidean dimensions and illuminated by 4D light sources. It is a tetr...
Alan Chu, Chi-Wing Fu, Andrew J. Hanson, Pheng-...
ICPR
2006
IEEE
16 years 7 months ago
CAPTCHA Challenge Tradeoffs: Familiarity of Strings versus Degradation of Images
It is a well documented fact that, for human readers, familiar text is more legible than unfamiliar text. Current-generation computer vision systems also are able to exploit some ...
Jon Louis Bentley, Sui-Yu Wang
GIS
2007
ACM
16 years 7 months ago
TerraStream: from elevation data to watershed hierarchies
We consider the problem of extracting a river network and a watershed hierarchy from a terrain given as a set of irregularly spaced points. We describe TerraStream, a "pipeli...
Andrew Danner, Thomas Mølhave, Ke Yi, Panka...
GIS
2006
ACM
16 years 7 months ago
Filtering with raster signatures
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
Leonardo Guerreiro Azevedo, Ralf Hartmut Güti...
DAC
2009
ACM
16 years 7 months ago
Handling complexities in modern large-scale mixed-size placement
In this paper, we propose an effective algorithm flow to handle largescale mixed-size placement. The basic idea is to use floorplanning to guide the placement of objects at the gl...
Jackey Z. Yan, Natarajan Viswanathan, Chris Chu