{"id":"https://openalex.org/W2888401302","doi":"https://doi.org/10.23919/apsipa.2018.8659577","title":"Independent Low-Rank Matrix Analysis Based on Time-Variant Sub-Gaussian Source Model","display_name":"Independent Low-Rank Matrix Analysis Based on Time-Variant Sub-Gaussian Source Model","publication_year":2018,"publication_date":"2018-11-01","ids":{"openalex":"https://openalex.org/W2888401302","doi":"https://doi.org/10.23919/apsipa.2018.8659577","mag":"2888401302"},"language":"en","primary_location":{"id":"doi:10.23919/apsipa.2018.8659577","is_oa":false,"landing_page_url":"https://doi.org/10.23919/apsipa.2018.8659577","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)","raw_type":"proceedings-article"},"type":"preprint","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/A5080537604","display_name":"Shinichi Mogami","orcid":"https://orcid.org/0000-0002-6448-824X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shinichi Mogami","raw_affiliation_strings":["The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051506797","display_name":"Norihiro Takamune","orcid":"https://orcid.org/0000-0002-8102-3110"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Norihiro Takamune","raw_affiliation_strings":["The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071479017","display_name":"Daichi Kitamura","orcid":"https://orcid.org/0000-0003-1117-7939"},"institutions":[{"id":"https://openalex.org/I4210160866","display_name":"National Institute of Technology, Kagawa College","ror":"https://ror.org/04xfwhf17","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210120810","https://openalex.org/I4210160866"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daichi Kitamura","raw_affiliation_strings":["National Institute of Technology, Kagawa College, Kagawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology, Kagawa College, Kagawa, Japan","institution_ids":["https://openalex.org/I4210160866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003814223","display_name":"Hiroshi Saruwatari","orcid":"https://orcid.org/0000-0003-0876-5617"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Saruwatari","raw_affiliation_strings":["The University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079059380","display_name":"Yu Takahashi","orcid":"https://orcid.org/0000-0002-9589-0645"},"institutions":[{"id":"https://openalex.org/I1295929820","display_name":"Yamaha (Japan)","ror":"https://ror.org/05s7fvh27","country_code":"JP","type":"company","lineage":["https://openalex.org/I1295929820"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yu Takahashi","raw_affiliation_strings":["Yamaha Corporation, Shizuoka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaha Corporation, Shizuoka, Japan","institution_ids":["https://openalex.org/I1295929820"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021841017","display_name":"Kazunobu Kondo","orcid":"https://orcid.org/0000-0001-7428-696X"},"institutions":[{"id":"https://openalex.org/I1295929820","display_name":"Yamaha (Japan)","ror":"https://ror.org/05s7fvh27","country_code":"JP","type":"company","lineage":["https://openalex.org/I1295929820"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazunobu Kondo","raw_affiliation_strings":["Yamaha Corporation, Shizuoka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaha Corporation, Shizuoka, Japan","institution_ids":["https://openalex.org/I1295929820"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036304108","display_name":"Hiroaki NAKAJIMA","orcid":"https://orcid.org/0000-0002-1742-8228"},"institutions":[{"id":"https://openalex.org/I1295929820","display_name":"Yamaha (Japan)","ror":"https://ror.org/05s7fvh27","country_code":"JP","type":"company","lineage":["https://openalex.org/I1295929820"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroaki Nakajima","raw_affiliation_strings":["Yamaha Corporation, Shizuoka, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaha Corporation, Shizuoka, Japan","institution_ids":["https://openalex.org/I1295929820"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056281759","display_name":"Nobutaka Ono","orcid":"https://orcid.org/0000-0003-4242-2773"},"institutions":[{"id":"https://openalex.org/I69740276","display_name":"Tokyo Metropolitan University","ror":"https://ror.org/00ws30h19","country_code":"JP","type":"education","lineage":["https://openalex.org/I69740276"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobutaka Ono","raw_affiliation_strings":["Tokyo Metropolitan University, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tokyo Metropolitan University, Tokyo, Japan","institution_ids":["https://openalex.org/I69740276"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5080537604"],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":0.831,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.73692107,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1684","last_page":"1691"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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/T10860","display_name":"Speech and Audio Processing","score":0.9998000264167786,"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":0.989300012588501,"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/gaussian","display_name":"Gaussian","score":0.790748655796051},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6023131012916565},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5768967866897583},{"id":"https://openalex.org/keywords/generalized-normal-distribution","display_name":"Generalized normal distribution","score":0.5725293159484863},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5330523252487183},{"id":"https://openalex.org/keywords/gaussian-network-model","display_name":"Gaussian network model","score":0.5018086433410645},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5013346672058105},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.4954138994216919},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4640229344367981},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.45248985290527344},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.44182682037353516},{"id":"https://openalex.org/keywords/gaussian-process","display_name":"Gaussian process","score":0.4304599165916443},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3517480492591858},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3415185809135437},{"id":"https://openalex.org/keywords/normal-distribution","display_name":"Normal distribution","score":0.20143574476242065},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1789533495903015},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06381434202194214},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0636732280254364}],"concepts":[{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.790748655796051},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6023131012916565},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5768967866897583},{"id":"https://openalex.org/C171383496","wikidata":"https://www.wikidata.org/wiki/Q2497477","display_name":"Generalized normal distribution","level":3,"score":0.5725293159484863},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5330523252487183},{"id":"https://openalex.org/C166550679","wikidata":"https://www.wikidata.org/wiki/Q263400","display_name":"Gaussian network model","level":3,"score":0.5018086433410645},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5013346672058105},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.4954138994216919},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4640229344367981},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.45248985290527344},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.44182682037353516},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.4304599165916443},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3517480492591858},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3415185809135437},{"id":"https://openalex.org/C102094743","wikidata":"https://www.wikidata.org/wiki/Q133871","display_name":"Normal distribution","level":2,"score":0.20143574476242065},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1789533495903015},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06381434202194214},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0636732280254364},{"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/apsipa.2018.8659577","is_oa":false,"landing_page_url":"https://doi.org/10.23919/apsipa.2018.8659577","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W87112183","https://openalex.org/W1543386260","https://openalex.org/W1902027874","https://openalex.org/W1987133051","https://openalex.org/W2027884847","https://openalex.org/W2055912867","https://openalex.org/W2057329052","https://openalex.org/W2072548008","https://openalex.org/W2096855653","https://openalex.org/W2099741732","https://openalex.org/W2113990625","https://openalex.org/W2127851351","https://openalex.org/W2141061845","https://openalex.org/W2159956319","https://openalex.org/W2168273590","https://openalex.org/W2170768669","https://openalex.org/W2245569228","https://openalex.org/W2412956798","https://openalex.org/W2792498316","https://openalex.org/W2801096420","https://openalex.org/W2804917410","https://openalex.org/W2892016396","https://openalex.org/W2964053423","https://openalex.org/W4256715062","https://openalex.org/W6603655804","https://openalex.org/W6632571750","https://openalex.org/W6647189218","https://openalex.org/W6678799340","https://openalex.org/W6690610466","https://openalex.org/W6743710665"],"related_works":["https://openalex.org/W1485557210","https://openalex.org/W2003580170","https://openalex.org/W2037306524","https://openalex.org/W2048167005","https://openalex.org/W1983787848","https://openalex.org/W2949870858","https://openalex.org/W1992988005","https://openalex.org/W2888401302","https://openalex.org/W1820940098","https://openalex.org/W2117348605"],"abstract_inverted_index":{"Independent":[0],"low-rank":[1],"matrix":[2],"analysis":[3],"(ILRMA)":[4],"is":[5],"a":[6,30,42,49,56,66,80],"fast":[7],"and":[8,47],"stable":[9],"method":[10],"for":[11,60,74,84],"blind":[12],"audio":[13],"source":[14,21,62,76,105,114],"separation.":[15],"Conventional":[16],"ILRMAs":[17],"assume":[18],"time-variant":[19,57,103],"(super-)Gaussian":[20],"models,":[22,77],"which":[23],"can":[24,107],"only":[25],"represent":[26],"signals":[27],"that":[28,54],"follow":[29],"super-Gaussian":[31],"distribution.":[32],"In":[33,88],"this":[34],"paper,":[35],"we":[36,78,92],"focus":[37],"on":[38,41],"ILRMA":[39],"based":[40],"generalized":[43,71],"Gaussian":[44],"distribution":[45,59],"(GGD-ILRMA)":[46],"propose":[48],"new":[50,67],"type":[51],"of":[52,96,113],"GGD-ILRMA":[53],"adopts":[55],"sub-Gaussian":[58,104],"the":[61,89,94,97,101],"model.":[63],"By":[64],"using":[65],"update":[68,82],"scheme":[69],"called":[70],"iterative":[72],"projection":[73],"homogeneous":[75],"obtain":[79],"convergence-guaranteed":[81],"rule":[83],"demixing":[85],"spatial":[86],"parameters.":[87],"experimental":[90],"evaluation,":[91],"show":[93],"versatility":[95],"proposed":[98,102],"method,":[99],"i.e.,":[100],"model":[106],"be":[108],"applied":[109],"to":[110],"various":[111],"types":[112],"signal.":[115]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4}],"updated_date":"2026-05-17T08:19:37.847499","created_date":"2025-10-10T00:00:00"}
