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SIAMSC
2008
132views more  SIAMSC 2008»
13 years 5 months ago
Stochastic Preconditioning for Diagonally Dominant Matrices
Abstract. This paper presents a new stochastic preconditioning approach for large sparse matrices. For the class of matrices that are row-wise and column-wise irreducibly diagonall...
Haifeng Qian, Sachin S. Sapatnekar
DCC
2008
IEEE
14 years 5 months ago
Williamson matrices up to order 59
A recent result of Schmidt has brought Williamson matrices back into the spotlight. In this paper a new algorithm is introduced to search for hard to find Williamson matrices. We ...
Wolf H. Holzmann, Hadi Kharaghani, Behruz Tayfeh-R...
ICIP
1997
IEEE
14 years 7 months ago
A New Approach for Restoring Block-Transform Coded Images with Estimation of Correlation Matrices
This paper presents a new restoration approach to reduce coding artifacts in block-transform image coding. Di erent from conventional restoration techniques, the proposed one is n...
Steven Sheung-On Choy, Yuk-Hee Chan, Wan-Chi Siu
BMCBI
2008
164views more  BMCBI 2008»
13 years 5 months ago
Word correlation matrices for protein sequence analysis and remote homology detection
Background: Classification of protein sequences is a central problem in computational biology. Currently, among computational methods discriminative kernel-based approaches provid...
Thomas Lingner, Peter Meinicke
IMC
2007
ACM
13 years 7 months ago
Quality-of-service class specific traffic matrices in ip/mpls networks
In this paper we consider the problem of determining traffic matrices for end-to-end demands in an IP/MPLS network that supports multiple quality of service (QoS) classes. More pr...
Stefan Schnitter, Franz Hartleb, Martin Horneffer