Sciweavers

1064 search results - page 60 / 213
» Exact Algorithms for the Quadratic Linear Ordering Problem
Sort
View
145
Voted
ICASSP
2011
IEEE
14 years 7 months ago
Saturation-robust SAR image formation
The formation of synthetic aperture radar (SAR) images is formulated as an inverse problem, a flexible approach suitable for a variety of acquisition systems and signal models. T...
Dennis Wei, Petros Boufounos
TIP
2008
104views more  TIP 2008»
15 years 3 months ago
A Fast Thresholded Landweber Algorithm for Wavelet-Regularized Multidimensional Deconvolution
We present a fast variational deconvolution algorithm that minimizes a quadratic data term subject to a regularization on the 1 -norm of the wavelet coefficients of the solution. ...
Cédric Vonesch, Michael Unser
166
Voted
ICASSP
2011
IEEE
14 years 7 months ago
Optimum multi-user detection by nonsmooth optimization
—The optimum multiuser detection (OMD) is a discrete (binary) optimization. The previously developed approaches often relax it by a semi-definite program (SDP) and then employ r...
Hoang Duong Tuan, Tran Thai Son, Hoang Tuy, Ha H. ...
COCOA
2007
Springer
15 years 10 months ago
A Lagrangian Relaxation Approach for the Multiple Sequence Alignment Problem
Abstract. We present a branch-and-bound (bb) algorithm for the multiple sequence alignment problem (MSA), one of the most important problems in computational biology. The upper bou...
Ernst Althaus, Stefan Canzar
VECPAR
2004
Springer
15 years 9 months ago
Domain Decomposition Methods for PDE Constrained Optimization Problems
Abstract. Optimization problems constrained by nonlinear partial differential equations have been the focus of intense research in scientific computing lately. Current methods for...
Ernesto E. Prudencio, Richard H. Byrd, Xiao-Chuan ...