{"id":"https://openalex.org/W2153914073","doi":"https://doi.org/10.1109/icassp.2004.1326689","title":"Blind source separation in mobile environments using a priori knowledge","display_name":"Blind source separation in mobile environments using a priori knowledge","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2153914073","doi":"https://doi.org/10.1109/icassp.2004.1326689","mag":"2153914073"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326689","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326689","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":"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/A5009801065","display_name":"Erik Visser","orcid":null},"institutions":[{"id":"https://openalex.org/I4210111308","display_name":"Soft Imaging LLC (United States)","ror":"https://ror.org/01y4fs673","country_code":"US","type":"company","lineage":["https://openalex.org/I4210111308"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E. Visser","raw_affiliation_strings":["SoftMax, Inc., La Jolla, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SoftMax, Inc., La Jolla, CA, USA","institution_ids":["https://openalex.org/I4210111308"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022408850","display_name":"Te-Won Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I4210111308","display_name":"Soft Imaging LLC (United States)","ror":"https://ror.org/01y4fs673","country_code":"US","type":"company","lineage":["https://openalex.org/I4210111308"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Te-Won Lee","raw_affiliation_strings":["SoftMax, Inc., La Jolla, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SoftMax, Inc., La Jolla, CA, USA","institution_ids":["https://openalex.org/I4210111308"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210111308"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"iii","last_page":"893"},"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":0.9957000017166138,"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":0.8074394464492798},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7195029258728027},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.6740924119949341},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6526069045066833},{"id":"https://openalex.org/keywords/source-separation","display_name":"Source separation","score":0.6341010928153992},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6103302836418152},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5786479115486145},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.5306844711303711},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5288553833961487},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4955052137374878},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.49205225706100464},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.48861247301101685},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.42611730098724365},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.422479510307312},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4142377972602844},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4126792550086975},{"id":"https://openalex.org/keywords/noise-measurement","display_name":"Noise measurement","score":0.4103187322616577},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40520623326301575},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4005950093269348},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16628393530845642},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12867668271064758}],"concepts":[{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.8074394464492798},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7195029258728027},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.6740924119949341},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6526069045066833},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.6341010928153992},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6103302836418152},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5786479115486145},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.5306844711303711},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5288553833961487},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4955052137374878},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.49205225706100464},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.48861247301101685},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.42611730098724365},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.422479510307312},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4142377972602844},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4126792550086975},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.4103187322616577},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40520623326301575},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4005950093269348},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16628393530845642},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12867668271064758},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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.2004.1326689","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326689","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":[{"id":"https://metadata.un.org/sdg/16","score":0.4699999988079071,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W79317937","https://openalex.org/W1940644960","https://openalex.org/W1994630425","https://openalex.org/W2096779346","https://openalex.org/W2100643000","https://openalex.org/W2125280635","https://openalex.org/W2128911505","https://openalex.org/W2152472098","https://openalex.org/W2395283606","https://openalex.org/W6603280604","https://openalex.org/W6678445174","https://openalex.org/W6711824336"],"related_works":["https://openalex.org/W1509813908","https://openalex.org/W2031820693","https://openalex.org/W3024816962","https://openalex.org/W973023320","https://openalex.org/W2767070583","https://openalex.org/W1910172735","https://openalex.org/W2118307209","https://openalex.org/W2107364365","https://openalex.org/W2539388437","https://openalex.org/W2107688514"],"abstract_inverted_index":{"A":[0],"speech":[1,60,69],"enhancement":[2],"scheme":[3,64,96],"including":[4],"blind":[5,39],"source":[6,36],"separation":[7],"and":[8,80,86],"background":[9],"denoising":[10,89],"based":[11],"on":[12,29,72],"minimum":[13],"statistics":[14],"is":[15,66],"studied":[16],"in":[17],"mobile":[18],"environments.":[19],"To":[20],"accommodate":[21],"the":[22,25,30,34,57],"dependence":[23],"of":[24,33],"separated":[26,48],"output":[27,49,99],"signals":[28],"spatial":[31],"properties":[32],"recorded":[35],"signals,":[37],"these":[38],"signal":[40],"processing":[41],"steps":[42],"are":[43],"complemented":[44],"by":[45,68,76],"an":[46,94],"adaptive":[47],"channel":[50,88,100],"selection":[51],"stage":[52],"using":[53],"prior":[54],"knowledge":[55],"about":[56],"desired":[58],"speaker":[59],"content.":[61],"The":[62],"resulting":[63],"performance":[65],"illustrated":[67],"recognition":[70],"experiments":[71],"real":[73],"recordings":[74],"corrupted":[75],"various":[77],"noise":[78],"sources":[79],"shown":[81],"to":[82],"outperform":[83],"conventional":[84],"beamforming":[85],"single":[87],"techniques":[90],"as":[91,93],"well":[92],"equivalent":[95],"with":[97],"fixed":[98],"selection.":[101]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}