1582 search results - page 12 / 317 » On sparse signal representations |
69
Voted
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In this paper we present a novel approach to describe sound mixtures which is based on a geometric viewpoint. In this approach we extend the idea of a nearest-neighbor representat...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Consider the decomposition of a signal into features that undergo transformations drawn from a continuous family. Current methods discretely sample the transformations and apply s...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
95
Voted
TASLP
2010
14 years 4 months ago
2010
Indexing audio signals directly in the transform domain can potentially save a significant amount of computation when working on a large database of signals stored in a lossy compr...
TSP
2011
14 years 4 months ago
2011
Abstract—We introduce an extended family of continuous-domain stochastic models for sparse, piecewise-smooth signals. These are specified as solutions of stochastic differential...