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» On an Optimization Problem in Sensor Selection*
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DCC
2009
IEEE
15 years 10 months ago
Optimization of Correlated Source Coding for Event-Based Monitoring in Sensor Networks
Motivated by the paradigm of event-based monitoring, which can potentially alleviate the inherent bandwidth and energy constraints associated with wireless sensor networks, we con...
Jaspreet Singh, Ankur Saxena, Kenneth Rose, Upaman...
CORR
2006
Springer
86views Education» more  CORR 2006»
14 years 9 months ago
Optimal Distortion-Power Tradeoffs in Sensor Networks: Gauss-Markov Random Processes
We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements ...
Nan Liu, Sennur Ulukus
CORR
2006
Springer
95views Education» more  CORR 2006»
14 years 9 months ago
Optimal Distortion-Power Tradeoffs in Gaussian Sensor Networks
We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements ...
Nan Liu, Sennur Ulukus
CVPR
2009
IEEE
16 years 4 months ago
Joint Depth and Alpha Matte Optimization via Fusion of Stereo and Time-of-Flight Sensor
We present a new approach to iteratively estimate both high-quality depth map and alpha matte from a single image or a video sequence. Scene depth, which is invariant to illumin...
Jiejie Zhu (University of Kentucky), Miao Liao (Un...
CIKM
2007
Springer
15 years 4 months ago
Optimizing parallel itineraries for knn query processing in wireless sensor networks
Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
Tao-Young Fu, Wen-Chih Peng, Wang-Chien Lee