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TSP
2010
14 years 6 months ago
Compressive Sensing on Manifolds Using a Nonparametric Mixture of Factor Analyzers: Algorithm and Performance Bounds
Nonparametric Bayesian methods are employed to constitute a mixture of low-rank Gaussians, for data x RN that are of high dimension N but are constrained to reside in a low-dimen...
Minhua Chen, Jorge Silva, John William Paisley, Ch...
FOCS
2003
IEEE
15 years 5 months ago
Bounded Geometries, Fractals, and Low-Distortion Embeddings
The doubling constant of a metric space (X, d) is the smallest value λ such that every ball in X can be covered by λ balls of half the radius. The doubling dimension of X is the...
Anupam Gupta, Robert Krauthgamer, James R. Lee
TSP
2008
115views more  TSP 2008»
14 years 11 months ago
Robustness of Adaptive Narrowband Beamforming With Respect to Bandwidth
Abstract--This paper addresses the robustness of adaptive narrowband beamforming with respect to bandwidth based on the loss of performance in terms of signal-to-interference-plus-...
Marc Oudin, Jean Pierre Delmas
TSP
2008
71views more  TSP 2008»
14 years 11 months ago
Multiple Description Trellis-Coded Quantization of Sinusoidal Parameters
A new scheme for sinusoidal audio coding named multiple description spherical trellis-coded quantization is proposed and analytic expressions for the point densities and expected d...
Morten Holm Larsen, Mads Græsbøll Chr...
TSP
2008
89views more  TSP 2008»
14 years 11 months ago
Coordinated Beamforming for the Multiuser MIMO Broadcast Channel With Limited Feedforward
Abstract-- Linear transmit beamforming and receive combining is a low complexity approach for communications in the multiuser multiple-input multiple-output (MIMO) channel. This pa...
Chan-Byoung Chae, David Mazzarese, Takao Inoue, Ro...