{"id":"https://openalex.org/W3135460104","doi":"https://doi.org/10.23919/eusipco54536.2021.9616272","title":"Algorithm for Independent Vector Extraction Based on Semi-Time-Variant Mixing Model","display_name":"Algorithm for Independent Vector Extraction Based on Semi-Time-Variant Mixing Model","publication_year":2021,"publication_date":"2021-08-23","ids":{"openalex":"https://openalex.org/W3135460104","doi":"https://doi.org/10.23919/eusipco54536.2021.9616272","mag":"3135460104"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco54536.2021.9616272","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco54536.2021.9616272","pdf_url":null,"source":{"id":"https://openalex.org/S4363607854","display_name":"2021 29th European Signal Processing Conference (EUSIPCO)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 29th European Signal Processing Conference (EUSIPCO)","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/A5040855107","display_name":"Zbyn\u011bk Koldovsk\u00fd","orcid":"https://orcid.org/0000-0002-1791-5675"},"institutions":[{"id":"https://openalex.org/I147009085","display_name":"Technical University of Liberec","ror":"https://ror.org/02jtk7k02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I147009085"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Zbynek Koldovsky","raw_affiliation_strings":["Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic","institution_ids":["https://openalex.org/I147009085"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066677388","display_name":"V\u00e1clav Kautsk\u00fd","orcid":"https://orcid.org/0000-0002-7042-0858"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Vaclav Kautsky","raw_affiliation_strings":["Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078183499","display_name":"Tom\u00e1\u0161 Kounovsk\u00fd","orcid":null},"institutions":[{"id":"https://openalex.org/I147009085","display_name":"Technical University of Liberec","ror":"https://ror.org/02jtk7k02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I147009085"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Tomas Kounovsky","raw_affiliation_strings":["Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic","institution_ids":["https://openalex.org/I147009085"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037957439","display_name":"Jaroslav \u010cmejla","orcid":null},"institutions":[{"id":"https://openalex.org/I147009085","display_name":"Technical University of Liberec","ror":"https://ror.org/02jtk7k02","country_code":"CZ","type":"education","lineage":["https://openalex.org/I147009085"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jaroslav Cmejla","raw_affiliation_strings":["Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Acoustic Signal Analysis and Processing Group, Faculty of Mechatronics, Informatics, and Interdisciplinary Studies, Technical University of Liberec, Czech Republic","institution_ids":["https://openalex.org/I147009085"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5040855107"],"corresponding_institution_ids":["https://openalex.org/I147009085"],"apc_list":null,"apc_paid":null,"fwci":0.5161,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.62189389,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"865","last_page":"869"},"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":0.9998999834060669,"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":0.9993000030517578,"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/orthogonality","display_name":"Orthogonality","score":0.7351869940757751},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.613234281539917},{"id":"https://openalex.org/keywords/mixing","display_name":"Mixing (physics)","score":0.5408961772918701},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.515217125415802},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.5027828216552734},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5004420280456543},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4391610026359558},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3624904155731201},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3270045518875122}],"concepts":[{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.7351869940757751},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.613234281539917},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.5408961772918701},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.515217125415802},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.5027828216552734},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5004420280456543},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4391610026359558},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3624904155731201},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3270045518875122},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/eusipco54536.2021.9616272","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco54536.2021.9616272","pdf_url":null,"source":{"id":"https://openalex.org/S4363607854","display_name":"2021 29th European Signal Processing Conference (EUSIPCO)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 29th European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1907979331","display_name":null,"funder_award_id":"20-17720S","funder_id":"https://openalex.org/F4320321006","funder_display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky"},{"id":"https://openalex.org/G466576685","display_name":null,"funder_award_id":"N62909-19-1-2105","funder_id":"https://openalex.org/F4320338298","funder_display_name":"Office of Naval Research Global"}],"funders":[{"id":"https://openalex.org/F4320321006","display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky","ror":"https://ror.org/01pv73b02"},{"id":"https://openalex.org/F4320338298","display_name":"Office of Naval Research Global","ror":"https://ror.org/00rk2pe57"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1755563775","https://openalex.org/W1974343358","https://openalex.org/W1974388905","https://openalex.org/W1974647903","https://openalex.org/W1977067929","https://openalex.org/W2019426094","https://openalex.org/W2036043111","https://openalex.org/W2072548008","https://openalex.org/W2091909564","https://openalex.org/W2096855653","https://openalex.org/W2099741732","https://openalex.org/W2132299333","https://openalex.org/W2133069808","https://openalex.org/W2141224535","https://openalex.org/W2143646747","https://openalex.org/W2145456306","https://openalex.org/W2168200870","https://openalex.org/W2170768669","https://openalex.org/W2225937484","https://openalex.org/W2294321532","https://openalex.org/W2400273387","https://openalex.org/W2475682732","https://openalex.org/W2539508298","https://openalex.org/W2610428556","https://openalex.org/W2741342598","https://openalex.org/W2762297287","https://openalex.org/W2940109416","https://openalex.org/W2951431217","https://openalex.org/W2964056412","https://openalex.org/W2997688633","https://openalex.org/W3127217413","https://openalex.org/W3127348940","https://openalex.org/W3147528989","https://openalex.org/W3160588708","https://openalex.org/W4238957295","https://openalex.org/W4242259102","https://openalex.org/W4287862977","https://openalex.org/W6668479384"],"related_works":["https://openalex.org/W2795127374","https://openalex.org/W2381569343","https://openalex.org/W2802097448","https://openalex.org/W1522994095","https://openalex.org/W1966027974","https://openalex.org/W2783838371","https://openalex.org/W2041181257","https://openalex.org/W2049353827","https://openalex.org/W1978015050","https://openalex.org/W2767307537"],"abstract_inverted_index":{"A":[0,33],"new":[1],"algorithm":[2,65,89],"for":[3],"dynamic":[4],"independent":[5],"vector":[6],"extraction":[7,120],"is":[8,11,41,49,59,67,106,115],"proposed.":[9],"It":[10],"based":[12,36],"on":[13,37],"the":[14,22,28,38,44,53,57,87,92,104,107,113],"mixing":[15,18],"model":[16],"where":[17,100],"parameters":[19,30],"related":[20],"to":[21,91,103],"source-of-interest":[23],"(SOI)":[24],"are":[25,31,79],"time-variant":[26],"while":[27,73],"separating":[29],"time-invariant.":[32],"contrast":[34],"function":[35],"quasi-likelihood":[39],"approach":[40],"optimized":[42],"using":[43],"Newton-Raphson":[45],"approach.":[46],"The":[47,110],"update":[48],"computed":[50],"without":[51],"imposing":[52],"orthogonal":[54],"constraint,":[55],"and":[56],"orthogonality":[58],"enforced":[60],"afterward.":[61],"This":[62],"yields":[63],"an":[64,96],"that":[66],"significantly":[68],"faster":[69],"than":[70],"gradient-based":[71],"algorithms":[72],"different":[74],"from":[75],"fixed-point":[76,93],"methods,":[77],"which":[78],"even":[80],"faster.":[81],"We":[82],"show":[83],"advantageous":[84],"properties":[85],"of":[86,112],"proposed":[88],"compared":[90],"methods":[94],"in":[95,117],"on-line":[97],"processing":[98],"regime":[99],"stable":[101],"convergence":[102],"SOI":[105],"important":[108],"issue.":[109],"effectiveness":[111],"method":[114],"demonstrated":[116],"a":[118,123],"speech":[119],"experiment":[121],"with":[122],"dense":[124],"microphone":[125],"array.":[126]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}