15 search results - page 3 / 3 » A First-Order Smoothed Penalty Method for Compressed Sensing |
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
We propose a new approach to adaptive system identification when the system model is sparse. The approach applies the ℓ1 relaxation, common in compressive sensing, to improve t...
SIAMCO
2010
12 years 11 months ago
2010
Abstract. In the paper compressible, stationary Navier-Stokes (N-S) equations are considered. The model is well-posed, there exist weak solutions in bounded domains, subject to inh...
ARTCOM
2009
IEEE
13 years 2 months ago
2009
IEEE
A new adaptive multispectral image compression technique based on the regions identified is proposed. The algorithm is adaptive in the sense that according to the data type class ...
SIAMSC
2010
13 years 3 months ago
2010
We propose a fast algorithm for solving the ℓ1-regularized minimization problem minx∈Rn µ x 1 + Ax − b 2 2 for recovering sparse solutions to an undetermined system of linea...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...