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» Direct convex relaxations of sparse SVM
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BMCBI
2007
153views more  BMCBI 2007»
13 years 10 months ago
A new pairwise kernel for biological network inference with support vector machines
Background: Much recent work in bioinformatics has focused on the inference of various types of biological networks, representing gene regulation, metabolic processes, protein-pro...
Jean-Philippe Vert, Jian Qiu, William Stafford Nob...
CISS
2008
IEEE
14 years 4 months ago
Sparsity in MRI RF excitation pulse design
—Magnetic resonance imaging (MRI) may be viewed as a two-stage experiment that yields a non-invasive spatial mapping of hydrogen nuclei in living subjects. Nuclear spins within a...
Adam C. Zelinski, Vivek K. Goyal, Elfar Adalsteins...
SIAMJO
2010
246views more  SIAMJO 2010»
13 years 8 months ago
A Singular Value Thresholding Algorithm for Matrix Completion
This paper introduces a novel algorithm to approximate the matrix with minimum nuclear norm among all matrices obeying a set of convex constraints. This problem may be understood a...
Jian-Feng Cai, Emmanuel J. Candès, Zuowei S...
ISCAS
2008
IEEE
217views Hardware» more  ISCAS 2008»
14 years 4 months ago
Approximate L0 constrained non-negative matrix and tensor factorization
— Non-negative matrix factorization (NMF), i.e. V ≈ WH where both V, W and H are non-negative has become a widely used blind source separation technique due to its part based r...
Morten Mørup, Kristoffer Hougaard Madsen, L...