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SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
16 years 6 months ago
GAMPS: compressing multi sensor data by grouping and amplitude scaling
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
Sorabh Gandhi, Suman Nath, Subhash Suri, Jie Liu
WISEC
2009
ACM
16 years 1 months ago
Towards a theory for securing time synchronization in wireless sensor networks
Time synchronization in highly distributed wireless systems like sensor and ad hoc networks is extremely important in order to maintain a consistent notion of time throughout the ...
Murtuza Jadliwala, Qi Duan, Shambhu J. Upadhyaya, ...
COMPGEOM
2009
ACM
16 years 29 days ago
Coresets for polytope distance
Following recent work of Clarkson, we translate the coreset framework to the problems of finding the point closest to the origin inside a polytope, finding the shortest distance...
Bernd Gärtner, Martin Jaggi
SIGECOM
2009
ACM
109views ECommerce» more  SIGECOM 2009»
16 years 28 days ago
A new perspective on implementation by voting trees
Voting trees describe an iterative procedure for selecting a single vertex from a tournament. vide a very general abstract model of decision-making among a group of individuals, a...
Felix A. Fischer, Ariel D. Procaccia, Alex Samorod...
ICRA
2008
IEEE
148views Robotics» more  ICRA 2008»
16 years 26 days ago
Visual saliency model for robot cameras
— Recent years have seen an explosion of research on the computational modeling of human visual attention in task free conditions, i.e., given an image predict where humans are l...
Nicholas J. Butko, Lingyun Zhang, Garrison W. Cott...