About: A Homotopy Recursive-in-Model-Order Algorithm for Weighted LASSO

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A fast algorithm to solve weighted L1-minimization problems with N N square “measuring matrices is proposed. The method is recursive-in-model-order and tracks a homotopy path that goes through solutions of the optimization sub-tasks in the order of 1 through N. It thus yields solutions for all model orders and performs this task faster than the other compared methods. We show applications of this method in sparse linear system identification, in particular, the estimation of sparse target-cancellation filters for audio source separation. A fast algorithm to solve weighted L1-minimization problems with N N square “measuring matrices is proposed. The method is recursive-in-model-order and tracks a homotopy path that goes through solutions of the optimization sub-tasks in the order of 1 through N. It thus yields solutions for all model orders and performs this task faster than the other compared methods. We show applications of this method in sparse linear system identification, in particular, the estimation of sparse target-cancellation filters for audio source separation. (en)
Title	A Homotopy Recursive-in-Model-Order Algorithm for Weighted LASSO A Homotopy Recursive-in-Model-Order Algorithm for Weighted LASSO (en)
skos:prefLabel	A Homotopy Recursive-in-Model-Order Algorithm for Weighted LASSO A Homotopy Recursive-in-Model-Order Algorithm for Weighted LASSO (en)
skos:notation	RIV/67985556:_____/14:00427989!RIV15-AV0-67985556
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Tichavský, Petr Koldovský, Zbyněk
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teorie informace a automatizace AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	780
http://linked.open...ai/riv/idVysledku	RIV/67985556:_____/14:00427989
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Sparse Linear Regression; homotopy; Levinson-Durbin algorithm (en)
http://linked.open.../riv/klicoveSlovo	Levinson-Durbin algorithm Sparse Linear Regression homotopy
http://linked.open...ontrolniKodProRIV	[8D7D287702DA]
http://linked.open...v/mistoKonaniAkce	Florencie
http://linked.open...i/riv/mistoVydani	Piscataway
http://linked.open...i/riv/nazevZdroje	2014 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Koldovský, Zbyněk Tichavský, Petr
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-05-04 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4799-2892-7

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