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» On Unbiased Linear Approximations
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94
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DAM
2006
78views more  DAM 2006»
15 years 19 days ago
Hybrid rounding techniques for knapsack problems
We address the classical knapsack problem and a variant in which an upper bound is imposed on the number of items that can be selected. We show that appropriate combinations of ro...
Monaldo Mastrolilli, Marcus Hutter
ICASSP
2009
IEEE
15 years 7 months ago
Compressive sensing for sparsely excited speech signals
Compressive sensing (CS) has been proposed for signals with sparsity in a linear transform domain. We explore a signal dependent unknown linear transform, namely the impulse respo...
Thippur V. Sreenivas, W. Bastiaan Kleijn
86
Voted
SAT
2010
Springer
141views Hardware» more  SAT 2010»
15 years 4 months ago
Synthesizing Shortest Linear Straight-Line Programs over GF(2) Using SAT
Non-trivial linear straight-line programs over the Galois field of two elements occur frequently in applications such as encryption or high-performance computing. Finding the shor...
Carsten Fuhs, Peter Schneider-Kamp
122
Voted
SIAMMAX
2010
97views more  SIAMMAX 2010»
14 years 7 months ago
Krylov Subspace Methods for Linear Systems with Tensor Product Structure
The numerical solution of linear systems with certain tensor product structures is considered. Such structures arise, for example, from the finite element discretization of a line...
Daniel Kressner, Christine Tobler
84
Voted
ICASSP
2011
IEEE
14 years 4 months ago
Improved Secondary Range Compression focusing method in GEO SAR
The paper firstly analyses the error caused by the linear trajectory model and the Fresnel approximation because of the long synthetic aperture time in Geosynchronous Synthetic Ap...
Zhipeng Liu, Cheng Hu, Tao Zeng