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TSP
2010
13 years 2 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
14 years 20 days 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»
13 years 7 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»
13 years 7 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»
13 years 7 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...