255 search results - page 21 / 51 » Sampling Sparse Signals on the Sphere: Algorithms and Applic... |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Reduced rank regression (RRR) has found application in various fields of signal processing. In this paper we propose a novel extension of the RRR model which we call sparse varia...
59
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ICIP
2006
IEEE
15 years 11 months ago
2006
IEEE
This paper proposes a new method for the selection of sets of omnidirectional views, which contribute together to the efficient representation of a 3D scene. When the 3D surface i...
100
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CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—Thus far, sparse representations have been exploited largely in the context of robustly estimating functions in a noisy environment from a few measurements. In this context, the...
112
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ICA
2007
Springer
15 years 3 months ago
2007
Springer
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Due to the nature of an acoustic enclosure, the early part (i.e., direct path and early reflections) of the acoustic echo path is often sparse while the late reverberant part of ...