{"id":"https://openalex.org/W2113607673","doi":"https://doi.org/10.1109/icassp.2009.4960222","title":"Parsimonious dictionary learning","display_name":"Parsimonious dictionary learning","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2113607673","doi":"https://doi.org/10.1109/icassp.2009.4960222","mag":"2113607673"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960222","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960222","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038313743","display_name":"Mehrdad Yaghoobi","orcid":"https://orcid.org/0000-0002-9847-8234"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Mehrdad Yaghoobi","raw_affiliation_strings":["Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK"],"affiliations":[{"raw_affiliation_string":"Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","institution_ids":["https://openalex.org/I98677209"]},{"raw_affiliation_string":"Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007495566","display_name":"Thomas Blumensath","orcid":"https://orcid.org/0000-0002-7489-265X"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Thomas Blumensath","raw_affiliation_strings":["Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK"],"affiliations":[{"raw_affiliation_string":"Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","institution_ids":["https://openalex.org/I98677209"]},{"raw_affiliation_string":"Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113674176","display_name":"Michael Davies","orcid":null},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Michael E. Davies","raw_affiliation_strings":["Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK"],"affiliations":[{"raw_affiliation_string":"Institute of Digital Communications, Joint Research Institute of Signal and Image Processing, University of Edinburgh, UK","institution_ids":["https://openalex.org/I98677209"]},{"raw_affiliation_string":"Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, The University of Edinburgh, EH9 3JL, UK","institution_ids":["https://openalex.org/I98677209"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5038313743"],"corresponding_institution_ids":["https://openalex.org/I98677209"],"apc_list":null,"apc_paid":null,"fwci":0.7091,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.74352362,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"54","issue":null,"first_page":"2869","last_page":"2872"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/multiplication","display_name":"Multiplication (music)","score":0.6757539510726929},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6588519215583801},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.6418155431747437},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6253270506858826},{"id":"https://openalex.org/keywords/generative-model","display_name":"Generative model","score":0.6117496490478516},{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.5642883777618408},{"id":"https://openalex.org/keywords/neural-coding","display_name":"Neural coding","score":0.559514045715332},{"id":"https://openalex.org/keywords/generative-grammar","display_name":"Generative grammar","score":0.552019476890564},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.48777109384536743},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4869452714920044},{"id":"https://openalex.org/keywords/dictionary-learning","display_name":"Dictionary learning","score":0.4626873731613159},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.45109957456588745},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.4418884515762329},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42541244626045227},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.42055264115333557},{"id":"https://openalex.org/keywords/k-svd","display_name":"K-SVD","score":0.41769546270370483},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3565516769886017},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3537569046020508},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22950094938278198}],"concepts":[{"id":"https://openalex.org/C2780595030","wikidata":"https://www.wikidata.org/wiki/Q3860309","display_name":"Multiplication (music)","level":2,"score":0.6757539510726929},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6588519215583801},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.6418155431747437},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6253270506858826},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.6117496490478516},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.5642883777618408},{"id":"https://openalex.org/C77637269","wikidata":"https://www.wikidata.org/wiki/Q7002051","display_name":"Neural coding","level":2,"score":0.559514045715332},{"id":"https://openalex.org/C39890363","wikidata":"https://www.wikidata.org/wiki/Q36108","display_name":"Generative grammar","level":2,"score":0.552019476890564},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.48777109384536743},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4869452714920044},{"id":"https://openalex.org/C2988886741","wikidata":"https://www.wikidata.org/wiki/Q25304494","display_name":"Dictionary learning","level":3,"score":0.4626873731613159},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.45109957456588745},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.4418884515762329},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42541244626045227},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.42055264115333557},{"id":"https://openalex.org/C154771677","wikidata":"https://www.wikidata.org/wiki/Q17098361","display_name":"K-SVD","level":3,"score":0.41769546270370483},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3565516769886017},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3537569046020508},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22950094938278198},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2009.4960222","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960222","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.soton.ac.uk:151909","is_oa":false,"landing_page_url":"https://eprints.soton.ac.uk/151909/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401019","display_name":"ePrints Soton (University of Southampton)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I43439940","host_organization_name":"University of Southampton","host_organization_lineage":["https://openalex.org/I43439940"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7699999809265137,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1951629768","https://openalex.org/W2049709948","https://openalex.org/W2056758595","https://openalex.org/W2105464873","https://openalex.org/W2115706991","https://openalex.org/W2115755118","https://openalex.org/W2119414569","https://openalex.org/W2123804611","https://openalex.org/W2126534699","https://openalex.org/W2127565671","https://openalex.org/W2130392029","https://openalex.org/W2140499889","https://openalex.org/W2142940228","https://openalex.org/W2160547390","https://openalex.org/W2170050981","https://openalex.org/W4255600897","https://openalex.org/W6684954309"],"related_works":["https://openalex.org/W2509955295","https://openalex.org/W2016265625","https://openalex.org/W2111634407","https://openalex.org/W2552089492","https://openalex.org/W2982240858","https://openalex.org/W4205656132","https://openalex.org/W2008821896","https://openalex.org/W2157785665","https://openalex.org/W2048023787","https://openalex.org/W2068941797"],"abstract_inverted_index":{"Sparse":[0],"modeling":[1],"of":[2,9,20,51,99,110],"signals":[3,19,52],"has":[4,53],"recently":[5],"received":[6],"a":[7,12,25,62,107],"lot":[8],"attention.":[10],"Often,":[11],"linear":[13],"under-determined":[14],"generative":[15,34,42],"model":[16,35,43],"for":[17,65,82],"the":[18,30,33,48,75,119],"interest":[21],"is":[22,36,44,102,118],"proposed":[23],"and":[24,68,85],"sparsity":[26],"constraint":[27,72],"imposed":[28],"on":[29],"representation.":[31],"When":[32],"not":[37],"given,":[38],"choosing":[39],"an":[40,70],"appropriate":[41],"important,":[45],"so":[46],"that":[47],"given":[49],"class":[50],"approximate":[54],"sparse":[55,122],"representations.":[56],"In":[57],"this":[58],"paper":[59],"we":[60],"introduce":[61],"new":[63],"scheme":[64],"dictionary":[66,76],"learning":[67],"impose":[69],"additional":[71],"to":[73,88],"reduce":[74],"size.":[77],"Small":[78],"dictionaries":[79,101],"are":[80],"desired":[81],"coding":[83],"applications":[84],"more":[86],"likely":[87],"ldquoworkrdquo":[89],"with":[90],"suboptimal":[91],"algorithms":[92],"such":[93],"as":[94],"Basis":[95],"Pursuit.":[96],"Another":[97],"benefit":[98],"small":[100],"their":[103],"faster":[104],"implementation,":[105],"e.g.":[106],"reduced":[108],"number":[109],"multiplication/addition":[111],"in":[112,121],"each":[113],"matrix":[114],"vector":[115],"multiplication,":[116],"which":[117],"bottleneck":[120],"approximation":[123],"algorithms.":[124]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
