Sciweavers

1865 search results - page 293 / 373
» Pan-Private Streaming Algorithms
Sort
View
ICC
2007
IEEE
104views Communications» more  ICC 2007»
16 years 1 months ago
Joint Design of Tx-Rx Beamformers in MIMO Downlink Channel
We consider a single-cell multiple-input multiple-output (MIMO) downlink channel where linear transmission and reception strategy is employed. The base station (BS) transmitter is...
Marian Codreanu, Antti Tölli, Markku J. Juntt...
LCN
2007
IEEE
16 years 1 months ago
Achieving True Video-on-Demand Service in Multi-Hop WiMax Mesh Networks
Abstract—In this work, we discuss how to support Video-onDemand service in multi-hop WiMax mesh networks. We are interested in the scenario that end users connect to the video se...
Fei Xie, Kien A. Hua, Ning Jiang
CLEF
2007
Springer
16 years 1 months ago
CLEF 2007: Ad Hoc Track Overview
We describe the objectives and organization of the CLEF 2007 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual and cross-language textual d...
Giorgio Maria Di Nunzio, Nicola Ferro, Thomas Mand...
ISWC
2006
IEEE
16 years 1 months ago
Discovering Characteristic Actions from On-Body Sensor Data
We present an approach to activity discovery, the unsupervised identification and modeling of human actions embedded in a larger sensor stream. Activity discovery can be seen as ...
David Minnen, Thad Starner, Irfan A. Essa, Charles...
MM
2006
ACM
197views Multimedia» more  MM 2006»
16 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