9 search results - page 2 / 2 » Faster GPS via the sparse fourier transform |
CISS
2008
IEEE
14 years 1 months ago
2008
IEEE
—This paper improves on the best-known runtime and measurement bounds for a recently proposed Deterministic sublinear-time Sparse Fourier Transform algorithm (hereafter called DS...
FOCM
2008
13 years 7 months ago
2008
We investigate the problem of reconstructing sparse multivariate trigonometric polynomials from few randomly taken samples by Basis Pursuit and greedy algorithms such as Orthogona...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Sparse recovery techniques have been shown to produce very accurate acoustic images, significantly outperforming traditional deconvolution approaches. However, so far these propo...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
In the case of multicomponent AM-FM signals, the idealized representation which consists of weighted trajectories on the time-frequency (TF) plane, is intrinsically sparse. Recent...