485 search results - page 68 / 97 » Continuous Spatial Authentication |
SIGGRAPH
2010
ACM
14 years 5 days ago
2010
ACM
This paper addresses the fundamental problem of computing stable medial representations of 3D shapes. We propose a spatially adaptive classification of geometric features that yi...
ASSETS
2008
ACM
13 years 9 months ago
2008
ACM
We describe a system for guiding blind and visually impaired wheelchair users along a clear path that uses computer vision to sense the presence of obstacles or other terrain feat...
CW
2005
IEEE
13 years 9 months ago
2005
IEEE
Large Virtual Worlds (VWs) are increasingly common in the computer graphics areas of simulation, games, geospatial or scientific visualisation. In such VWs, simulated motion of th...
SGP
2003
13 years 9 months ago
2003
Point sets become an increasingly popular shape representation. Most shape processing and rendering tasks require the approximation of a continuous surface from the point data. We...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
Given a set of objects and a query q, a point p is
called the reverse k nearest neighbor (RkNN) of q if q is one of
the k closest objects of p. In this paper, we introduce the c...