{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T11:36:51Z","timestamp":1790681811251,"version":"4.1.0"},"reference-count":26,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"22","license":[{"start":{"date-parts":[[2013,11,1]],"date-time":"2013-11-01T00:00:00Z","timestamp":1383264000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Signal Process."],"published-print":{"date-parts":[[2013,11]]},"DOI":"10.1109\/tsp.2013.2278158","type":"journal-article","created":{"date-parts":[[2013,10,17]],"date-time":"2013-10-17T14:02:56Z","timestamp":1382018576000},"page":"5495-5506","source":"Crossref","is-referenced-by-count":47,"title":["Direct Optimization of the Dictionary Learning Problem"],"prefix":"10.1109","volume":"61","author":[{"given":"Alain","family":"Rakotomamonjy","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TIP.2006.881969"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.1999.760624"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2007.910281"},{"key":"ref13","article-title":"Proximal methods for sparse hierarchical dictionary learning","author":"jenatton","year":"2010","journal-title":"Proc Int Conf Mach Learn"},{"key":"ref14","article-title":"Structured sparse principal component analysis","author":"jenatton","year":"2010","journal-title":"Proc Int Conf Artif Intell Statist"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1162\/089976603762552951"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.3724\/SP.J.1004.2009.01257"},{"key":"ref17","first-page":"19","article-title":"Online learning for matrix factorization and sparse coding","volume":"11","author":"mairal","year":"2010","journal-title":"J Mach Learn Res"},{"key":"ref18","article-title":"Supervised dictionary learning","author":"mairal","year":"2008","journal-title":"Proc Neural Inf Process Syst"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/S0042-6989(97)00169-7"},{"key":"ref4","author":"bertsekas","year":"1999","journal-title":"Nonlinear Programming"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1137\/080716542"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1137\/050626090"},{"key":"ref5","first-page":"257","article-title":"Sparse representations for multiple measurements vectors (mmv) in an overcomplete dictionary","volume":"4","author":"chen","year":"2005","journal-title":"Proc IEEE Int Conf Acoust Speech Signal Process"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2005.849172"},{"key":"ref7","author":"combettes","year":"2010","journal-title":"Fixed-Point Algorithms For Inverse Problems in Science and Engineering"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1007\/s10107-011-0484-9"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2012.2215026"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2006.881199"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2011.01.012"},{"key":"ref22","article-title":"Nonconvex proximal splitting: Batch and incremental algorithms","author":"sra","year":"2012","journal-title":"Adv Neural Inf Process Syst (NIPS)"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2010.2040671"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1023\/A:1017501703105"},{"key":"ref23","doi-asserted-by":"crossref","first-page":"589","DOI":"10.1016\/j.sigpro.2005.05.031","article-title":"Algorithms for simultaneous sparse approximation. Part II: Convex relaxation","volume":"86","author":"tropp","year":"2006","journal-title":"Signal Process"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1198\/016214506000000735"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2009.2016257"}],"container-title":["IEEE Transactions on Signal Processing"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/78\/6626366\/06578208.pdf?arnumber=6578208","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,1,12]],"date-time":"2022-01-12T11:48:26Z","timestamp":1641988106000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/6578208\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,11]]},"references-count":26,"journal-issue":{"issue":"22"},"URL":"https:\/\/doi.org\/10.1109\/tsp.2013.2278158","relation":{},"ISSN":["1053-587X","1941-0476"],"issn-type":[{"value":"1053-587X","type":"print"},{"value":"1941-0476","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,11]]}}}