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JSAC
2006
167views more  JSAC 2006»
13 years 8 months ago
Secure and resilient clock synchronization in wireless sensor networks
Abstract--Wireless sensor networks have received a lot of attention recently due to its wide applications. An accurate and synchronized clock time is crucial in many sensor network...
Kun Sun, Peng Ning, Cliff Wang
FGR
2011
IEEE
288views Biometrics» more  FGR 2011»
13 years 10 days ago
Hierarchical CRF with product label spaces for parts-based models
— Non-rigid object detection is a challenging open research problem in computer vision. It is a critical part in many applications such as image search, surveillance, humancomput...
Gemma Roig, Xavier Boix Bosch, Fernando De la Torr...
CVPR
2006
IEEE
14 years 10 months ago
Body Localization in Still Images Using Hierarchical Models and Hybrid Search
We present a 3-level hierarchical model for localizing human bodies in still images from arbitrary viewpoints. We first fit a simple tree-structured model defined on a small landm...
Jiayong Zhang, Jiebo Luo, Robert T. Collins, Yanxi...
EDBT
2004
ACM
187views Database» more  EDBT 2004»
14 years 8 months ago
Hierarchical In-Network Data Aggregation with Quality Guarantees
Earlier work has demonstrated the effectiveness of in-network data aggregation in order to minimize the amount of messages exchanged during continuous queries in large sensor netwo...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
ICC
2008
IEEE
14 years 3 months ago
Evolution of Base Stations in Cellular Networks: Denser Deployment versus Coordination
Abstract— It has been demonstrated that base station cooperation can reduce co-channel interference (CCI) and increase cellular system capacity. In this work we consider another ...
Yifan Liang, Andrea J. Goldsmith, Gerard J. Foschi...