Sciweavers

943 search results - page 141 / 189
» Compressed channel sensing
Sort
View
TIP
2008
144views more  TIP 2008»
13 years 7 months ago
Incremental Refinement of Image Salient-Point Detection
Low-level image analysis systems typically detect "points of interest", i.e., areas of natural images that contain corners or edges. Most of the robust and computationall...
Yiannis Andreopoulos, Ioannis Patras
ICASSP
2009
IEEE
14 years 2 months ago
Time-varying Opportunistic Protocol for maximizing sensor networks lifetime
We consider transmission scheduling by medium access control (MAC) protocols for energy limited wireless sensor networks (WSN) in order to maximize the network lifetime. Time-vary...
Kobi Cohen, Amir Leshem
CDC
2008
IEEE
197views Control Systems» more  CDC 2008»
14 years 2 months ago
Dynamic spectrum access policies for cognitive radio
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli
CSFW
2007
IEEE
14 years 2 months ago
Probability of Error in Information-Hiding Protocols
Randomized protocols for hiding private information can often be regarded as noisy channels in the informationtheoretic sense, and the inference of the concealed information can b...
Konstantinos Chatzikokolakis, Catuscia Palamidessi...
DATE
2007
IEEE
111views Hardware» more  DATE 2007»
14 years 2 months ago
Cost-aware capacity optimization in dynamic multi-hop WSNs
Low energy consumption and load balancing are required for enhancing lifetime at Wireless Sensor Networks (WSN). In addition, network dynamics and different delay, throughput, and...
Jukka Suhonen, Mikko Kohvakka, Mauri Kuorilehto, M...