485 search results - page 14 / 97 » Continuous Spatial Authentication |
BMVC
2010
13 years 5 months ago
2010
This paper studies image segmentation based on the minimum description length (MDL) functional combining spatial regularization with a penality for the number of distinct segments...
IPMI
1999
Springer
14 years 8 months ago
1999
Springer
Abstract. We describe a method for computing a continuous time estimate of dynamic changes in tracer density using list mode PET data. The tracer density in each voxel is modeled a...
SAC
2005
ACM
14 years 1 months ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
GEOINFO
2007
13 years 9 months ago
2007
Historically, visual display has always played a very important role in GIS applications. However, visual exploration tools do not scale well when applied to huge spatial data sets...
SAC
2011
ACM
12 years 10 months ago
2011
ACM
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...