104 search results - page 5 / 21 » An Overview Of Inverse Problem Regularization Using Sparsity |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Most bioimaging modalities rely on indirect measurements of the quantity under investigation. The image is obtained as the result of an optimization problem involving a physical m...
JMLR
2010
13 years 2 months ago
2010
An algorithm is presented for topology selection in graphical models of autoregressive Gaussian time series. The graph topology of the model represents the sparsity pattern of the...
CISS
2011
IEEE
12 years 11 months ago
2011
IEEE
—In this work we address the problem of state estimation in dynamical systems using recent developments in compressive sensing and sparse approximation. We formulate the traditio...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
We consider a class of learning problems regularized by a structured sparsity-inducing norm defined as the sum of 2- or ∞-norms over groups of variables. Whereas much effort ha...
ADCM
2011
13 years 2 months ago
2011
ABSTRACT. In this paper we discuss an abstract iteration scheme for the calculation of the smallest eigenvalue of an elliptic operator eigenvalue problem. A short and geometric pro...