{"id":"https://openalex.org/W4377236376","doi":"https://doi.org/10.1145/3581807.3581861","title":"DOA Estimation of Multiple Sources based on the Angle Distribution of Time-frequency Points in Single-source Zone","display_name":"DOA Estimation of Multiple Sources based on the Angle Distribution of Time-frequency Points in Single-source Zone","publication_year":2022,"publication_date":"2022-11-17","ids":{"openalex":"https://openalex.org/W4377236376","doi":"https://doi.org/10.1145/3581807.3581861"},"language":"en","primary_location":{"id":"doi:10.1145/3581807.3581861","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3581807.3581861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2022 11th International Conference on Computing and Pattern Recognition","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/A5067248462","display_name":"Liang Tao","orcid":"https://orcid.org/0000-0002-0947-9893"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Tao","raw_affiliation_strings":["Faculty of Information Technology, Beijing University of Technology, China"],"raw_orcid":"https://orcid.org/0000-0002-0947-9893","affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, Beijing University of Technology, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000601742","display_name":"Maoshen Jia","orcid":"https://orcid.org/0000-0002-3452-3913"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Maoshen Jia","raw_affiliation_strings":["Faculty of Information Technology, Beijing University of Technology, China"],"raw_orcid":"https://orcid.org/0000-0002-3452-3913","affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, Beijing University of Technology, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034591179","display_name":"Lu Li","orcid":"https://orcid.org/0000-0002-9681-3828"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Li","raw_affiliation_strings":["Faculty of Information Technology, Beijing University of Technology, China"],"raw_orcid":"https://orcid.org/0000-0002-9681-3828","affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, Beijing University of Technology, China","institution_ids":["https://openalex.org/I37796252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I37796252"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"374","last_page":"378"},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9968000054359436,"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/direction-of-arrival","display_name":"Direction of arrival","score":0.6730101108551025},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.6520105600357056},{"id":"https://openalex.org/keywords/outlier","display_name":"Outlier","score":0.6403909921646118},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.6199686527252197},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6063814163208008},{"id":"https://openalex.org/keywords/reverberation","display_name":"Reverberation","score":0.5870481729507446},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.48291656374931335},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.467730849981308},{"id":"https://openalex.org/keywords/acoustic-source-localization","display_name":"Acoustic source localization","score":0.4545118808746338},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.45390546321868896},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45324981212615967},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.44797414541244507},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3470064401626587},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3117719888687134},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.28256046772003174},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24066585302352905},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11482560634613037},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.08942276239395142},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08496066927909851},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07720357179641724}],"concepts":[{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.6730101108551025},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6520105600357056},{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.6403909921646118},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.6199686527252197},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6063814163208008},{"id":"https://openalex.org/C95851461","wikidata":"https://www.wikidata.org/wiki/Q468809","display_name":"Reverberation","level":2,"score":0.5870481729507446},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.48291656374931335},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.467730849981308},{"id":"https://openalex.org/C93240960","wikidata":"https://www.wikidata.org/wiki/Q217270","display_name":"Acoustic source localization","level":3,"score":0.4545118808746338},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.45390546321868896},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45324981212615967},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.44797414541244507},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3470064401626587},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3117719888687134},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.28256046772003174},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24066585302352905},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11482560634613037},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.08942276239395142},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08496066927909851},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07720357179641724},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3581807.3581861","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3581807.3581861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2022 11th International Conference on Computing and Pattern Recognition","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/W1969299255","https://openalex.org/W2043814392","https://openalex.org/W2153464267","https://openalex.org/W2168140505","https://openalex.org/W2173129408","https://openalex.org/W2465671511","https://openalex.org/W2779499466","https://openalex.org/W2806745578","https://openalex.org/W2903697385","https://openalex.org/W2904310887","https://openalex.org/W2946332576","https://openalex.org/W3104298728","https://openalex.org/W3107276689","https://openalex.org/W3112868342","https://openalex.org/W4281383815"],"related_works":["https://openalex.org/W2063708263","https://openalex.org/W2293346636","https://openalex.org/W2085464278","https://openalex.org/W2561187430","https://openalex.org/W2768802724","https://openalex.org/W2515660636","https://openalex.org/W2157951143","https://openalex.org/W2205660638","https://openalex.org/W187270809","https://openalex.org/W2033727253"],"abstract_inverted_index":{"Direction-of-arrival":[0],"(DOA)":[1],"estimation":[2,59],"method":[3,161,169],"based":[4,63,102],"on":[5,64,103],"single-source":[6,92],"zone":[7,93],"(SSZ)":[8],"detection,":[9],"using":[10,121],"the":[11,18,40,44,51,65,77,82,90,100,104,108,112,122,128,131,147,159],"sparsity":[12],"of":[13,60,68,85,107,130,152],"speech":[14],"signal,":[15],"which":[16],"transforms":[17],"multiple":[19,61],"sources":[20,62],"localization":[21,52,165],"into":[22],"single":[23],"source":[24],"localization.":[25],"However,":[26],"there":[27],"are":[28,36,79],"many":[29],"time-frequency":[30],"(TF)":[31],"points":[32,48,70,110,124],"whose":[33],"direction":[34],"information":[35],"far":[37],"away":[38],"from":[39],"true":[41],"DOA":[42,58,116,132,148],"in":[43,73,111,125],"detected":[45,80,113],"SSZ,":[46],"these":[47],"may":[49],"disturb":[50],"performance.":[53],"Aiming":[54],"this":[55,74],"issue,":[56],"a":[57],"angle":[66,105],"distribution":[67,106],"TF":[69,109,123],"is":[71,134,143],"proposed":[72,160],"paper.":[75],"Firstly,":[76],"SSZs":[78],"through":[81],"recorded":[83],"signal":[84],"sound":[86],"field":[87],"microphone.":[88],"Secondly,":[89],"optimized":[91],"(OSSZ)":[94],"can":[95,118,162],"be":[96,119],"acquired":[97],"by":[98,136],"removing":[99],"outliers":[101],"SSZ.":[114],"Thirdly,":[115],"histogram":[117,133],"obtained":[120],"OSSZ,":[126],"then":[127],"envelop":[129],"gained":[135],"kernel":[137],"density":[138],"estimation.":[139],"Finally,":[140],"peak":[141],"search":[142],"adopted":[144],"to":[145],"obtain":[146],"estimates":[149],"and":[150,172],"number":[151],"sources.":[153],"The":[154],"experiment":[155],"results":[156],"show":[157],"that":[158],"achieve":[163],"better":[164],"performance":[166],"than":[167],"SSZ-based":[168],"under":[170],"medium":[171],"high":[173],"reverberation":[174],"conditions.":[175]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}