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WACV
2005
IEEE
15 years 7 months ago
Detecting Motion Patterns via Direction Maps with Application to Surveillance
To facilitate accurate and efficient detection of motion patterns in video data, it is desirable to abstract from pixel intensity values to representations that explicitly and co...
Jacob M. Gryn, Richard P. Wildes, John K. Tsotsos
TIT
2002
65views more  TIT 2002»
14 years 11 months ago
On the importance of combining wavelet-based nonlinear approximation with coding strategies
This paper provides a mathematical analysis of transform compression in its relationship to linear and nonlinear approximation theory. Contrasting linear and nonlinear approximatio...
Albert Cohen, Ingrid Daubechies, Onur G. Guleryuz,...
SPAA
2006
ACM
15 years 5 months ago
On space-stretch trade-offs: upper bounds
One of the fundamental trade-offs in compact routing schemes is between the space used to store the routing table on each node and the stretch factor of the routing scheme – th...
Ittai Abraham, Cyril Gavoille, Dahlia Malkhi
CONEXT
2006
ACM
15 years 5 months ago
Shortcuts in a virtual world
We consider the case of a virtual world of peers that are organized in an overlay built by Delaunay Triangulation. Application layer routing is used to determine the path taken in...
Moritz Steiner, Ernst W. Biersack
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
15 years 4 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...