{"id":"https://openalex.org/W1520114768","doi":"https://doi.org/10.1109/icce-tw.2015.7216813","title":"Log-likelihood method to select initial values of multichannel non-negative matrix factorization","display_name":"Log-likelihood method to select initial values of multichannel non-negative matrix factorization","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W1520114768","doi":"https://doi.org/10.1109/icce-tw.2015.7216813","mag":"1520114768"},"language":"en","primary_location":{"id":"doi:10.1109/icce-tw.2015.7216813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce-tw.2015.7216813","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Consumer Electronics - Taiwan","raw_type":"proceedings-article"},"type":"conference-paper","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/A5080571018","display_name":"Yoshiyama Fuminori","orcid":null},"institutions":[{"id":"https://openalex.org/I188815454","display_name":"Oita University","ror":"https://ror.org/01nyv7k26","country_code":"JP","type":"education","lineage":["https://openalex.org/I188815454"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fuminori Yoshiyama","raw_affiliation_strings":["Department of Computer Science and Intelligent Systems, Oita University, Japan","Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Intelligent Systems, Oita University, Japan","institution_ids":["https://openalex.org/I188815454"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#","institution_ids":["https://openalex.org/I188815454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043978344","display_name":"Shingo Uenohara","orcid":null},"institutions":[{"id":"https://openalex.org/I188815454","display_name":"Oita University","ror":"https://ror.org/01nyv7k26","country_code":"JP","type":"education","lineage":["https://openalex.org/I188815454"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shingo Uenohara","raw_affiliation_strings":["Department of Computer Science and Intelligent Systems, Oita University, Japan","Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Intelligent Systems, Oita University, Japan","institution_ids":["https://openalex.org/I188815454"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#","institution_ids":["https://openalex.org/I188815454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102252410","display_name":"Keisuke Nishijima","orcid":null},"institutions":[{"id":"https://openalex.org/I188815454","display_name":"Oita University","ror":"https://ror.org/01nyv7k26","country_code":"JP","type":"education","lineage":["https://openalex.org/I188815454"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keisuke Nishijima","raw_affiliation_strings":["Department of Computer Science and Intelligent Systems, Oita University, Japan","Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Intelligent Systems, Oita University, Japan","institution_ids":["https://openalex.org/I188815454"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#","institution_ids":["https://openalex.org/I188815454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069841141","display_name":"Yusuke Hioka","orcid":"https://orcid.org/0000-0003-3380-9677"},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Yusuke Hioka","raw_affiliation_strings":["Department of Mechanical Engineering, University of Auckland, New Zealand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044786146","display_name":"Ken\u2019ichi Furuya","orcid":"https://orcid.org/0000-0002-5407-3673"},"institutions":[{"id":"https://openalex.org/I188815454","display_name":"Oita University","ror":"https://ror.org/01nyv7k26","country_code":"JP","type":"education","lineage":["https://openalex.org/I188815454"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ken'ichi Furuya","raw_affiliation_strings":["Department of Computer Science and Intelligent Systems, Oita University, Japan","Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Intelligent Systems, Oita University, Japan","institution_ids":["https://openalex.org/I188815454"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Intelligent Syst., Oita Univ., Japan#TAB#","institution_ids":["https://openalex.org/I188815454"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.02780316,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"401","issue":null,"first_page":"126","last_page":"127"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9993000030517578,"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":0.9962999820709229,"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/non-negative-matrix-factorization","display_name":"Non-negative matrix factorization","score":0.9325258731842041},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.7163350582122803},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.6944756507873535},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.560388445854187},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.537832498550415},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5131131410598755},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.49721863865852356},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.47301343083381653},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.4240607023239136},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.383367121219635},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3554265797138214},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.32833802700042725},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3256564736366272},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.28825968503952026},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08449804782867432}],"concepts":[{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.9325258731842041},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.7163350582122803},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.6944756507873535},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.560388445854187},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.537832498550415},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5131131410598755},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.49721863865852356},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.47301343083381653},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.4240607023239136},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.383367121219635},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3554265797138214},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.32833802700042725},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3256564736366272},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28825968503952026},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08449804782867432},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icce-tw.2015.7216813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce-tw.2015.7216813","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Consumer Electronics - Taiwan","raw_type":"proceedings-article"},{"id":"pmh:oai:researchspace.auckland.ac.nz:2292/27287","is_oa":false,"landing_page_url":"https://hdl.handle.net/2292/27287","pdf_url":null,"source":{"id":"https://openalex.org/S7407055463","display_name":"ResearchSpace (University of Auckland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I154130895","host_organization_name":"University of Auckland","host_organization_lineage":["https://openalex.org/I154130895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference Item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6341343194","display_name":"Robust speech enhancement against speaker's movements in noisy reverberant environments for hearing aid","funder_award_id":"25350670","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W165956390","https://openalex.org/W1902027874","https://openalex.org/W1992022774","https://openalex.org/W2093204450","https://openalex.org/W2113990625","https://openalex.org/W2124149378","https://openalex.org/W2168273590","https://openalex.org/W2294971837"],"related_works":["https://openalex.org/W2037504162","https://openalex.org/W2774154397","https://openalex.org/W2146544734","https://openalex.org/W2156699640","https://openalex.org/W2098101267","https://openalex.org/W1979654135","https://openalex.org/W2156181515","https://openalex.org/W2081322759","https://openalex.org/W1984255382","https://openalex.org/W2536329771"],"abstract_inverted_index":{"A":[0],"multichannel":[1,29],"extension":[2],"of":[3,12,17,40,61],"non-negative":[4,30],"matrix":[5,31],"factorization":[6,32],"(NMF)":[7],"associates":[8],"the":[9,13,18,38,41,57,65],"spatial":[10],"property":[11],"sources":[14],"with":[15],"each":[16],"NMF":[19],"bases.":[20],"An":[21],"initial-value":[22],"selection":[23],"method":[24],"based":[25],"on":[26,64],"log-likelihood":[27,54],"for":[28],"(MNMF)":[33],"is":[34],"introduced":[35],"to":[36],"reduce":[37],"variation":[39],"source":[42,58],"separation":[43,59],"performance.":[44],"Experimental":[45],"results":[46],"showed":[47],"selecting":[48],"initial":[49],"values":[50],"that":[51],"provide":[52],"high":[53],"would":[55],"improve":[56],"performance":[60],"MNMF":[62],"depending":[63],"sources.":[66]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
