{"id":"https://openalex.org/W2113564594","doi":"https://doi.org/10.1109/icassp.2009.4959534","title":"Online blind source separation based on time-frequency sparseness","display_name":"Online blind source separation based on time-frequency sparseness","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2113564594","doi":"https://doi.org/10.1109/icassp.2009.4959534","mag":"2113564594"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4959534","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4959534","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/A5080785333","display_name":"Benedikt Loesch","orcid":null},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Benedikt Loesch","raw_affiliation_strings":["Chair of System Theory and Signal Processing, University of Stuttgart, Germany","[Chair of System Theory and Signal Processing, University of Stuttgart, Germany]"],"affiliations":[{"raw_affiliation_string":"Chair of System Theory and Signal Processing, University of Stuttgart, Germany","institution_ids":["https://openalex.org/I100066346"]},{"raw_affiliation_string":"[Chair of System Theory and Signal Processing, University of Stuttgart, Germany]","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101717968","display_name":"Bin Yang","orcid":"https://orcid.org/0000-0002-8322-117X"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bin Yang","raw_affiliation_strings":["Chair of System Theory and Signal Processing, University of Stuttgart, Germany","[Chair of System Theory and Signal Processing, University of Stuttgart, Germany]"],"affiliations":[{"raw_affiliation_string":"Chair of System Theory and Signal Processing, University of Stuttgart, Germany","institution_ids":["https://openalex.org/I100066346"]},{"raw_affiliation_string":"[Chair of System Theory and Signal Processing, University of Stuttgart, Germany]","institution_ids":["https://openalex.org/I100066346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5080785333"],"corresponding_institution_ids":["https://openalex.org/I100066346"],"apc_list":null,"apc_paid":null,"fwci":1.7623,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.84305236,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"e87 a","issue":null,"first_page":"117","last_page":"120"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11447","display_name":"Blind Source Separation Techniques","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":0.9926999807357788,"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/blind-signal-separation","display_name":"Blind signal separation","score":0.8585566282272339},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7310452461242676},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.7166159749031067},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5770739316940308},{"id":"https://openalex.org/keywords/separation","display_name":"Separation (statistics)","score":0.5586893558502197},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.5442883372306824},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5244160890579224},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.47789156436920166},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.47586673498153687},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.4580496847629547},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.40984854102134705},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3505396842956543},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.17529970407485962},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16159588098526},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1450313925743103}],"concepts":[{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.8585566282272339},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7310452461242676},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.7166159749031067},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5770739316940308},{"id":"https://openalex.org/C2776061190","wikidata":"https://www.wikidata.org/wiki/Q7451805","display_name":"Separation (statistics)","level":2,"score":0.5586893558502197},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.5442883372306824},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5244160890579224},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.47789156436920166},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.47586673498153687},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.4580496847629547},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.40984854102134705},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3505396842956543},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.17529970407485962},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16159588098526},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1450313925743103},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2009.4959534","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4959534","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W16236365","https://openalex.org/W1972276221","https://openalex.org/W1981463705","https://openalex.org/W2100277362","https://openalex.org/W2159284737","https://openalex.org/W2166943505","https://openalex.org/W4285719527","https://openalex.org/W6675349207"],"related_works":["https://openalex.org/W1509813908","https://openalex.org/W2031820693","https://openalex.org/W3024816962","https://openalex.org/W2095338805","https://openalex.org/W973023320","https://openalex.org/W1910172735","https://openalex.org/W2118307209","https://openalex.org/W2107364365","https://openalex.org/W2539388437","https://openalex.org/W1510462426"],"abstract_inverted_index":{"Recently,":[0],"blind":[1],"source":[2],"separation":[3,90],"(BSS)":[4],"has":[5],"been":[6],"proposed":[7],"to":[8,51],"separate":[9],"signals":[10],"recorded":[11],"by":[12],"a":[13,17,26,67],"microphone":[14],"array":[15],"in":[16,35,82],"reverberant":[18],"environment.":[19],"This":[20],"paper":[21],"deals":[22],"with":[23,53,72],"BSS":[24],"of":[25,29,64,76],"time-varying":[27],"number":[28,63,75],"moving":[30,54],"sources,":[31],"which":[32],"often":[33],"occurs":[34],"practical":[36],"situations.":[37],"We":[38],"develop":[39],"two":[40],"online":[41,58,70],"algorithms":[42,79],"based":[43,69],"on":[44],"time-frequency":[45],"(TF)":[46],"sparseness":[47],"that":[48,60],"are":[49,80],"able":[50],"deal":[52],"sources:":[55],"A":[56],"block":[57],"algorithm":[59,71],"estimates":[61],"the":[62],"sources":[65],"and":[66,84,87],"gradient":[68],"prespecified":[73],"maximum":[74],"sources.":[77],"Both":[78],"evaluated":[81],"simulations":[83],"real-world":[85],"scenarios":[86],"show":[88],"good":[89],"performance.":[91]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}