178 search results - page 6 / 36 » LSMR: An iterative algorithm for sparse least-squares proble... |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
We examine the use of a structured thresholding algorithm for sparse underwater channel estimation using compressed sensing. This method shows some improvements over standard algo...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we propose a new algorithm, TLS-FOCUSS, for sparse recovery for large underdetermined linear systems, based on total least square (TLS) method and FOCUSS(FOCal Unde...
ICCV
2005
IEEE
2005
IEEE
Is Levenberg-Marquardt the Most Efficient Optimization Algorithm for Implementing Bundle Adjustment?
14 years 9 months ago
In order to obtain optimal 3D structure and viewing parameter estimates, bundle adjustment is often used as the last step of feature-based structure and motion estimation algorith...
MICCAI
2009
Springer
14 years 8 months ago
2009
Springer
We propose to use the sparseness property of the gradient probability distribution to estimate the intensity nonuniformity in medical images, resulting in two novel automatic metho...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
Compressed sensing, an emerging multidisciplinary field involving mathematics, probability, optimization, and signal processing, focuses on reconstructing an unknown signal from a...