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» In Praise of Numerical Computation
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ICA
2007
Springer
16 years 22 days ago
Dictionary Learning for L1-Exact Sparse Coding
We have derived a new algorithm for dictionary learning for sparse coding in the ℓ1 exact sparse framework. The algorithm does not rely on an approximation residual to operate, b...
Mark D. Plumbley
SCALESPACE
2007
Springer
16 years 21 days ago
Best Basis Compressed Sensing
This paper proposes an extension of compressed sensing that allows to express the sparsity prior in a dictionary of bases. This enables the use of the random sampling strategy of c...
Gabriel Peyré
VTC
2006
IEEE
16 years 17 days ago
MAC Access Delay In IEEE 802.11e EDCA
— In this paper, we study the MAC access delay of EDCA in the draft IEEE 802.11e standard under saturated conditions. We obtain explicit expressions for the mean, the standard de...
Dongxia Xu, Taka Sakurai, Hai Le Vu
IWCMC
2006
ACM
16 years 16 days ago
SINR analysis for V-BLAST with ordered MMSE-SIC detection
A new way to determine the exact layer-wise SINR distribution for V-BLAST with successive interference cancellation at the receiver is presented. In contrast to previous publicati...
Ronald Böhnke, Karl-Dirk Kammeyer
ICRA
2005
IEEE
111views Robotics» more  ICRA 2005»
16 years 5 days ago
Information Based Distributed Control for Biochemical Source Detection and Localization
— The paper proposes several improvements on the Direction of Gradient (DOG) algorithm proposed in [1] for detecting and localizing a biochemical source with moving sensors. In p...
Panos Tzanos, Milos Zefran, Arye Nehorai