{"id":"https://openalex.org/W2114483540","doi":"https://doi.org/10.1109/icassp.2004.1326775","title":"Multistage SIMO-model-based blind source separation combining frequency-domain ICA and time-domain ICA","display_name":"Multistage SIMO-model-based blind source separation combining frequency-domain ICA and time-domain ICA","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2114483540","doi":"https://doi.org/10.1109/icassp.2004.1326775","mag":"2114483540"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326775","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326775","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 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/A5078232206","display_name":"Satoshi Ukai","orcid":"https://orcid.org/0000-0002-9776-8379"},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"S. Ukai","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"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/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Saruwatari","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084067375","display_name":"Tomoya Takatani","orcid":null},"institutions":[{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Takatani","raw_affiliation_strings":["Nara Institute of Science and Technology, Ikoma, Nara, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nara Institute of Science and Technology, Ikoma, Nara, Japan","institution_ids":["https://openalex.org/I75917431"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043759410","display_name":"Ryo Mukai","orcid":"https://orcid.org/0000-0003-1796-9232"},"institutions":[{"id":"https://openalex.org/I46980622","display_name":"Kyoto Seika University","ror":"https://ror.org/05g4f0342","country_code":"JP","type":"education","lineage":["https://openalex.org/I46980622"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"R. Mukai","raw_affiliation_strings":["NTT Communication Science Laboratories, Seika, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, Seika, Kyoto, Japan","institution_ids":["https://openalex.org/I46980622"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007032557","display_name":"Hiroshi Sawada","orcid":"https://orcid.org/0000-0002-4831-9286"},"institutions":[{"id":"https://openalex.org/I46980622","display_name":"Kyoto Seika University","ror":"https://ror.org/05g4f0342","country_code":"JP","type":"education","lineage":["https://openalex.org/I46980622"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Sawada","raw_affiliation_strings":["NTT Communication Science Laboratories, Seika, Kyoto, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Communication Science Laboratories, Seika, Kyoto, Japan","institution_ids":["https://openalex.org/I46980622"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1469,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.79008472,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"iv","last_page":"109"},"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":0.9941999912261963,"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":0.9690999984741211,"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/independent-component-analysis","display_name":"Independent component analysis","score":0.8372821807861328},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.7932894229888916},{"id":"https://openalex.org/keywords/monaural","display_name":"Monaural","score":0.6563376188278198},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5974847078323364},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.5778776407241821},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5490539073944092},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4819181263446808},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4566279351711273},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.4207558035850525},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3965820074081421},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.34942305088043213},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.21428236365318298},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.09865999221801758},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09788528084754944},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.07740652561187744}],"concepts":[{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.8372821807861328},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.7932894229888916},{"id":"https://openalex.org/C102894143","wikidata":"https://www.wikidata.org/wiki/Q1323979","display_name":"Monaural","level":2,"score":0.6563376188278198},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5974847078323364},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.5778776407241821},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5490539073944092},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4819181263446808},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4566279351711273},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.4207558035850525},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3965820074081421},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34942305088043213},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.21428236365318298},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.09865999221801758},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09788528084754944},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.07740652561187744},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2004.1326775","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326775","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320338075","display_name":"Core Research for Evolutional Science and Technology","ror":"https://ror.org/00097mb19"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W57663966","https://openalex.org/W194323310","https://openalex.org/W200436726","https://openalex.org/W1523943344","https://openalex.org/W1535927884","https://openalex.org/W2027884847","https://openalex.org/W2096855653","https://openalex.org/W2099741732","https://openalex.org/W2110689758","https://openalex.org/W2116766578","https://openalex.org/W2121788372","https://openalex.org/W2133123690","https://openalex.org/W2140592340","https://openalex.org/W2141224535","https://openalex.org/W2157365662","https://openalex.org/W2240053406","https://openalex.org/W2435167693","https://openalex.org/W2538522310","https://openalex.org/W3132205412","https://openalex.org/W6608014787","https://openalex.org/W6631462732","https://openalex.org/W6690265416","https://openalex.org/W6790928168"],"related_works":["https://openalex.org/W2390344110","https://openalex.org/W2364896863","https://openalex.org/W2361066326","https://openalex.org/W2046761971","https://openalex.org/W2107364365","https://openalex.org/W2118307209","https://openalex.org/W1785857632","https://openalex.org/W4281722104","https://openalex.org/W2187523794","https://openalex.org/W1503525627"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"single-input":[3],"multiple-output":[4],"(SIMO)-model-based":[5],"blind":[6],"source":[7,15,31],"separation":[8,106],"(BSS)":[9],"is":[10,48,129],"addressed,":[11],"where":[12],"unknown":[13],"mixed":[14],"signals":[16,24,32,36,124],"are":[17,42],"detected":[18],"at":[19,43],"the":[20,44,70,87,97,118,121,126,136],"microphones,":[21],"and":[22,82,99,145],"these":[23],"can":[25,102,140],"be":[26],"separated,":[27],"not":[28],"into":[29,34],"monaural":[30],"but":[33,135],"SIMO-model-based":[35,71],"from":[37],"independent":[38],"sources":[39],"as":[40,56],"they":[41],"microphones.":[45],"This":[46],"technique":[47,95,139],"highly":[49],"applicable":[50],"to":[51,110,131],"high-fidelity":[52],"signal":[53,58],"processing":[54,80],"such":[55],"binaural":[57],"processing.":[59],"First,":[60],"we":[61,90],"provide":[62],"an":[63],"experimental":[64,114],"comparison":[65,109],"between":[66],"two":[67,111],"kinds":[68],"of":[69,96,120,133],"BSS":[72],"methods,":[73],"namely,":[74],"traditional":[75],"frequency-domain":[76],"ICA":[77],"with":[78],"projection-back":[79],"(FDICA-PB),":[81],"SIMO-ICA":[83,128],"recently":[84],"proposed":[85,137],"by":[86],"authors.":[88],"Secondly,":[89],"propose":[91],"a":[92,104],"new":[93],"combination":[94,138],"FDICA-PB":[98,144],"SIMO-ICA,":[100],"which":[101],"achieve":[103],"higher":[105],"performance":[107],"in":[108,125],"methods.":[112],"The":[113],"results":[115],"reveal":[116],"that":[117,132],"accuracy":[119],"separated":[122],"SIMO":[123],"simple":[127,143],"inferior":[130],"FDICA-PB,":[134],"outperform":[141],"both":[142],"SIMO-ICA.":[146]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
