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SENSYS
2006
ACM
14 years 1 months ago
Interest dissemination with directional antennas for wireless sensor networks with mobile sinks
Introducing mobile data sinks into wireless sensor networks (WSNs) improves the energy efficiency and the network lifetime, and is demanded for many application scenarios, such a...
Yihong Wu, Lin Zhang, Yiqun Wu, Zhisheng Niu
ESANN
2004
13 years 8 months ago
Towards a Local Separation Performances Estimator Using Common ICA Contrast Functions?
Abstract. In most ICA algorithms, the separation performances are estimated through the evaluation of a contrast function , used in the update rule of elements of the unmixing matr...
Frédéric Vrins, Cédric Archam...
IJRR
2010
132views more  IJRR 2010»
13 years 4 months ago
LQR-trees: Feedback Motion Planning via Sums-of-Squares Verification
Advances in the direct computation of Lyapunov functions using convex optimization make it possible to efficiently evaluate regions of attraction for smooth nonlinear systems. Her...
Russ Tedrake, Ian R. Manchester, Mark Tobenkin, Jo...
SOCO
2010
Springer
13 years 5 months ago
Automatic circle detection on digital images with an adaptive bacterial foraging algorithm
This article presents an algorithm for the automatic detection of circular shapes from complicated and noisy images without using the conventional Hough transform methods. The prop...
Sambarta Dasgupta, Swagatam Das, Arijit Biswas, Aj...
WWW
2006
ACM
14 years 8 months ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das