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FOCS
2006
IEEE
14 years 1 months ago
Improved Bounds for Online Routing and Packing Via a Primal-Dual Approach
In this work we study a wide range of online and offline routing and packing problems with various objectives. We provide a unified approach, based on a clean primal-dual method...
Niv Buchbinder, Joseph Naor
ICIP
2009
IEEE
14 years 8 months ago
Polar Snakes: A Fast And Robust Parametric Active Contour Model
We present in this paper a way to perform a fast and robust image segmentation and to track a contour along a sequence of images. Our approach is based on a dynamic deformable mod...
ICDT
2009
ACM
119views Database» more  ICDT 2009»
14 years 8 months ago
Querying data sources that export infinite sets of views
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
Bogdan Cautis, Alin Deutsch, Nicola Onose
EWSN
2009
Springer
14 years 8 months ago
Multi-hop Cluster Hierarchy Maintenance in Wireless Sensor Networks: A Case for Gossip-Based Protocols
Multi-hop cluster hierarchy has been presented as an organization for large wireless sensor networks (WSNs) that can provide scalable routing, data aggregation, and querying. In th...
Konrad Iwanicki, Maarten van Steen
ICASSP
2009
IEEE
14 years 2 months ago
Jointly optimized mode decisions in redundant video streaming
This paper revisits the problem of source-channel coding for error-resilient video streaming, using redundant encoding. We propose a new method to jointly optimize the macroblock ...
J. Christian Schmidt, Kenneth Rose