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TSP
2010
15 years 1 months ago
Block-sparse signals: uncertainty relations and efficient recovery
We consider efficient methods for the recovery of block-sparse signals--i.e., sparse signals that have nonzero entries occurring in clusters--from an underdetermined system of line...
Yonina C. Eldar, Patrick Kuppinger, Helmut Bö...
TVLSI
2010
15 years 1 months ago
Enhancing the Area Efficiency of FPGAs With Hard Circuits Using Shadow Clusters
There is a dramatic logic density gap between FPGAs and ASICs, and this gap is the main reason FPGAs are not cost-effective in high volume applications. Modern FPGAs narrow this ga...
Peter A. Jamieson, Jonathan Rose
TWC
2010
15 years 1 months ago
Distributed Node Selection for Sequential Estimation over Noisy Communication Channels
This paper proposes a framework for distributed sequential parameter estimation in wireless sensor networks. In the proposed scheme, the estimator is updated sequentially at the c...
Thakshila Wimalajeewa, Sudharman K. Jayaweera
IEAAIE
2011
Springer
14 years 9 months ago
Informative Sentence Retrieval for Domain Specific Terminologies
Domain specific terminologies represent important concepts when students study a subject. If the sentences which describe important concepts related to a terminology can be accesse...
Jia-Ling Koh, Chin-Wei Cho
AAAI
2011
14 years 6 months ago
An Online Spectral Learning Algorithm for Partially Observable Nonlinear Dynamical Systems
Recently, a number of researchers have proposed spectral algorithms for learning models of dynamical systems—for example, Hidden Markov Models (HMMs), Partially Observable Marko...
Byron Boots, Geoffrey J. Gordon