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» Negation in Spatial Reasoning
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TSP
2010
14 years 4 months ago
Compressed sensing performance bounds under Poisson noise
Abstract--This paper describes performance bounds for compressed sensing (CS) where the underlying sparse or compressible (sparsely approximable) signal is a vector of nonnegative ...
Maxim Raginsky, Rebecca Willett, Zachary T. Harman...
GIS
2008
ACM
14 years 11 months ago
Combining 3-D geovisualization with force feedback driven user interaction
We describe a prototype software system for investigating novel human-computer interaction techniques for 3-D geospatial data. This system, M4-Geo (Multi-Modal Mesh Manipulation o...
Adam Faeth, Michael Oren, Chris Harding
GIS
2005
ACM
15 years 10 months ago
Supporting uncertainty in moving objects in network databases
The management of moving objects has been intensively studied in the recent years. A wide and increasing range of database applications has to deal with spatial objects whose posi...
Ralf Hartmut Güting, Victor Teixeira de Almei...
DIGRA
2003
Springer
15 years 3 months ago
Space, Agency, Meaning and Drama in Navigable Real-Time Virtual Environments
Does our preoccupation with navigable space distract us from the expressive potential of interactive media? Can our understanding of spatial context in virtual environments (VEs) ...
Stanislav Roudavski, François Penz
AFPAC
2000
Springer
341views Mathematics» more  AFPAC 2000»
15 years 2 months ago
An Associative Perception-Action Structure Using a Localized Space Variant Information Representation
Abstract. Most of the processing in vision today uses spatially invariant operations. This gives efficient and compact computing structures, with the conventional convenient separa...
Gösta H. Granlund