Sciweavers

611 search results - page 67 / 123
» The Cardinality Matrix Constraint
Sort
View
ICANN
2007
Springer
15 years 4 months ago
Sparse and Transformation-Invariant Hierarchical NMF
The hierarchical non-negative matrix factorization (HNMF) is a multilayer generative network for decomposing strictly positive data into strictly positive activations and base vect...
Sven Rebhan, Julian Eggert, Horst-Michael Gro&szli...
EMMCVPR
2005
Springer
15 years 3 months ago
Reverse-Convex Programming for Sparse Image Codes
Abstract. Reverse-convex programming (RCP) concerns global optimization of a specific class of non-convex optimization problems. We show that a recently proposed model for sparse ...
Matthias Heiler, Christoph Schnörr
ISCAS
2003
IEEE
91views Hardware» more  ISCAS 2003»
15 years 3 months ago
SDP for multi-criterion QMF bank design
Quadraturemirror filter(QMF)bank with multi-criterion constraints suchas minimal aliasing and/or minimal error coding is amongthe most important problems in filter bank design, fo...
H. D. Tuan, L. H. Nam, H. Tuy, T. Q. Nguyen
NIPS
2004
14 years 11 months ago
Triangle Fixing Algorithms for the Metric Nearness Problem
Various problems in machine learning, databases, and statistics involve pairwise distances among a set of objects. It is often desirable for these distances to satisfy the propert...
Inderjit S. Dhillon, Suvrit Sra, Joel A. Tropp
SCL
2008
86views more  SCL 2008»
14 years 9 months ago
Control design in the time and frequency domain using nonsmooth techniques
Significant progress in control design has been achieved by the use of nonsmooth and semiinfinite mathematical programming techniques. In contrast with LMI or BMI approaches, thes...
Vincent Bompart, Pierre Apkarian, Dominikus Noll