485 search results - page 50 / 97 » Continuous Spatial Authentication |
JOCN
2010
13 years 2 months ago
2010
Maintaining spatial orientation while travelling requires integrating spatial information encountered from an egocentric viewpoint with accumulated information represented within ...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
In this paper we exploit normalized mutual information
for the nonrigid registration of multimodal images.
Rather than assuming that image statistics are spatially
stationary, a...
EWSN
2008
Springer
14 years 7 months ago
2008
Springer
Abstract. We examine the problem of tracking dynamic boundaries occurring in natural phenomena using range sensors. Two main challenges of the boundary tracking problem are energy-...
VISUALIZATION
2003
IEEE
14 years 1 months ago
2003
IEEE
We propose Unsteady Flow Advection–Convolution (UFAC) as a novel visualization approach for unsteady flows. It performs time evolution governed by pathlines, but builds spatial...
SIGMOD
2000
ACM
14 years 3 days ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...