{"id":"https://openalex.org/W2158412868","doi":"https://doi.org/10.1109/iros.2009.5354706","title":"Estimation of sound source number and directions under a multi-source environment","display_name":"Estimation of sound source number and directions under a multi-source environment","publication_year":2009,"publication_date":"2009-10-01","ids":{"openalex":"https://openalex.org/W2158412868","doi":"https://doi.org/10.1109/iros.2009.5354706","mag":"2158412868"},"language":"en","primary_location":{"id":"doi:10.1109/iros.2009.5354706","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2009.5354706","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE/RSJ International Conference on Intelligent Robots and Systems","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/A5102025092","display_name":"Jwu\u2010Sheng Hu","orcid":"https://orcid.org/0000-0002-5110-581X"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jwu-Sheng Hu","raw_affiliation_strings":["Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110263366","display_name":"Chia-Hsing Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chia-Hsing Yang","raw_affiliation_strings":["Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073857372","display_name":"Cheng\u2010Kang Wang","orcid":"https://orcid.org/0000-0003-3270-2034"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cheng-Kang Wang","raw_affiliation_strings":["Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Control Engineering, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":null,"apc_paid":null,"fwci":0.9679,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.74696133,"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":"181","last_page":"186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","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/T10860","display_name":"Speech and Audio Processing","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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9983000159263611,"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"}},{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9911999702453613,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/acoustic-source-localization","display_name":"Acoustic source localization","score":0.8223792314529419},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.6477675437927246},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6177189350128174},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5611377954483032},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.5080521106719971},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.42274248600006104},{"id":"https://openalex.org/keywords/critical-distance","display_name":"Critical distance","score":0.41954877972602844},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.4186950623989105},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"Sound pressure","score":0.2568165063858032},{"id":"https://openalex.org/keywords/sound-power","display_name":"Sound power","score":0.24809417128562927},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.119190514087677},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09908914566040039},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09255993366241455}],"concepts":[{"id":"https://openalex.org/C93240960","wikidata":"https://www.wikidata.org/wiki/Q217270","display_name":"Acoustic source localization","level":3,"score":0.8223792314529419},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.6477675437927246},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6177189350128174},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5611377954483032},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.5080521106719971},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.42274248600006104},{"id":"https://openalex.org/C24723263","wikidata":"https://www.wikidata.org/wiki/Q1571884","display_name":"Critical distance","level":4,"score":0.41954877972602844},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.4186950623989105},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.2568165063858032},{"id":"https://openalex.org/C67514181","wikidata":"https://www.wikidata.org/wiki/Q1588477","display_name":"Sound power","level":3,"score":0.24809417128562927},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.119190514087677},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09908914566040039},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09255993366241455},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iros.2009.5354706","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2009.5354706","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE/RSJ International Conference on Intelligent Robots and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W274496805","https://openalex.org/W1629038213","https://openalex.org/W1977556410","https://openalex.org/W2002765403","https://openalex.org/W2012211082","https://openalex.org/W2046317813","https://openalex.org/W2073459066","https://openalex.org/W2104422351","https://openalex.org/W2113638573","https://openalex.org/W2114863372","https://openalex.org/W2124035649","https://openalex.org/W2147673046","https://openalex.org/W4240478443","https://openalex.org/W6610073401","https://openalex.org/W6668990524"],"related_works":["https://openalex.org/W1879255185","https://openalex.org/W2120442551","https://openalex.org/W2769861442","https://openalex.org/W1980506188","https://openalex.org/W3036819141","https://openalex.org/W2900122540","https://openalex.org/W4240587264","https://openalex.org/W2011788874","https://openalex.org/W4318566916","https://openalex.org/W4362719442"],"abstract_inverted_index":{"Sound":[0],"source":[1,15,51,65,94,103],"localization":[2],"is":[3,35,73],"an":[4,84],"important":[5],"feature":[6],"in":[7],"robot":[8],"audition.":[9],"This":[10],"work":[11],"proposes":[12],"a":[13],"sound":[14,50,64,79,93,102],"number":[16,104],"and":[17,53,96,105],"directions":[18,106],"estimation":[19,90],"method":[20,34],"by":[21,58],"using":[22,97],"the":[23,45,49,67,77,89,101],"delay":[24,40,47,69],"information":[25],"of":[26,92],"microphone":[27],"array.":[28],"An":[29],"eigenstructure-based":[30],"generalized":[31],"cross":[32],"correlation":[33],"proposed":[36],"to":[37],"estimate":[38],"time":[39,46,68],"between":[41],"microphones.":[42],"Upon":[43],"obtaining":[44],"information,":[48],"direction":[52,95],"velocity":[54],"can":[55,107],"be":[56,108],"estimated":[57,78],"least":[59],"square":[60],"method.":[61],"In":[62],"multiple":[63],"case,":[66],"combination":[70],"among":[71],"microphones":[72],"arranged":[74],"such":[75],"that":[76],"speed":[80],"value":[81],"falls":[82],"within":[83],"acceptable":[85],"range.":[86],"By":[87],"accumulating":[88],"results":[91],"adaptive":[98],"K-means++":[99],"algorithm,":[100],"estimated.":[109]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
