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ICASSP
2010
IEEE
13 years 8 months ago
An L1 criterion for dictionary learning by subspace identification
We propose an ℓ1 criterion for dictionary learning for sparse signal representation. Instead of directly searching for the dictionary vectors, our dictionary learning approach i...
Florent Jaillet, Rémi Gribonval, Mark D. Pl...
ANOR
2006
64views more  ANOR 2006»
13 years 7 months ago
A note on asymptotic formulae for one-dimensional network flow problems
This note develops asymptotic formulae for single-commodity network flow problems with random inputs. The transportation linear programming problem (TLP) where N points lie in a r...
Carlos F. Daganzo, Karen R. Smilowitz
JSCIC
2008
129views more  JSCIC 2008»
13 years 7 months ago
Level Set Equations on Surfaces via the Closest Point Method
Abstract Level set methods have been used in a great number of applications in R2 and R3 and it is natural to consider extending some of these methods to problems defined on surfac...
Colin B. Macdonald, Steven J. Ruuth
MP
2008
129views more  MP 2008»
13 years 7 months ago
Corrector-predictor methods for monotone linear complementarity problems in a wide neighborhood of the central path
Abstract. Two corrector-predictor interior point algorithms are proposed for solving monotone linear complementarity problems. The algorithms produce a sequence of iterates in the ...
Florian A. Potra
SIAMAM
2008
121views more  SIAMAM 2008»
13 years 7 months ago
A Level Set Approach to Anisotropic Surface Evolution with Free Adatoms
We variationally derive a thermodynamically consistent model for surface evolution under the influence of free adatoms. The resulting system of nonlinear partial differential equat...
Christina Stöcker, Axel Voigt