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ENTCS
2007
100views more  ENTCS 2007»
13 years 7 months ago
Extensionality of Spatial Observations in Distributed Systems
We discuss the tensions between intensionality and extensionality of spatial observations in distributed systems, showing that there are natural models where extensional observati...
Luís Caires, Hugo Torres Vieira
CONCUR
2004
Springer
14 years 26 days ago
An Extensional Spatial Logic for Mobile Processes
Existing spatial logics for concurrency are intensional, in the sense that they induce an equivalence that coincides with structural congruence. In this work, we study a contextual...
Daniel Hirschkoff
MM
2006
ACM
197views Multimedia» more  MM 2006»
14 years 1 months ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
ICCV
2003
IEEE
14 years 9 months ago
Fragmentation in the Vision of Scenes
Natural images are highly structured in their spatial configuration. Where one would expect a different spatial distribution for every image, as each image has a different spatial...
Jan-Mark Geusebroek, Arnold W. M. Smeulders