{"id":"https://openalex.org/W4323520950","doi":"https://doi.org/10.1109/ieeeconf56349.2022.10051862","title":"Hybrid SH-CNN-MP Approach for Super Resolution DOA Estimation","display_name":"Hybrid SH-CNN-MP Approach for Super Resolution DOA Estimation","publication_year":2022,"publication_date":"2022-10-31","ids":{"openalex":"https://openalex.org/W4323520950","doi":"https://doi.org/10.1109/ieeeconf56349.2022.10051862"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf56349.2022.10051862","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf56349.2022.10051862","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 56th Asilomar Conference on Signals, Systems, and Computers","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/A5013044308","display_name":"Priyadarshini Dwivedi","orcid":"https://orcid.org/0009-0009-6110-8086"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Priyadarshini Dwivedi","raw_affiliation_strings":["Indian Institute of Technology,Kanpur,India","Indian Institute of Technology, Kanpur, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology,Kanpur,India","institution_ids":["https://openalex.org/I94234084"]},{"raw_affiliation_string":"Indian Institute of Technology, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075895321","display_name":"Gyanajyoti Routray","orcid":"https://orcid.org/0000-0002-7310-9539"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gyanajyoti Routray","raw_affiliation_strings":["Indian Institute of Technology,Kanpur,India","Indian Institute of Technology, Kanpur, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology,Kanpur,India","institution_ids":["https://openalex.org/I94234084"]},{"raw_affiliation_string":"Indian Institute of Technology, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085503354","display_name":"Rajesh M. Hegde","orcid":"https://orcid.org/0000-0002-6142-7724"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Rajesh M. Hegde","raw_affiliation_strings":["Indian Institute of Technology,Kanpur,India","Indian Institute of Technology, Kanpur, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology,Kanpur,India","institution_ids":["https://openalex.org/I94234084"]},{"raw_affiliation_string":"Indian Institute of Technology, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I94234084"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"96","last_page":"100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9998999834060669,"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":0.9998999834060669,"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/T11698","display_name":"Underwater Acoustics Research","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9980999827384949,"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/computer-science","display_name":"Computer science","score":0.7064497470855713},{"id":"https://openalex.org/keywords/spherical-harmonics","display_name":"Spherical harmonics","score":0.6582518815994263},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.578644871711731},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.5729755163192749},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.5728977918624878},{"id":"https://openalex.org/keywords/microphone-array","display_name":"Microphone array","score":0.5723647475242615},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5400692820549011},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4338432550430298},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.4306453466415405},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36902016401290894},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33035242557525635},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.32198798656463623},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20195475220680237},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08501529693603516}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7064497470855713},{"id":"https://openalex.org/C3768446","wikidata":"https://www.wikidata.org/wiki/Q877100","display_name":"Spherical harmonics","level":2,"score":0.6582518815994263},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.578644871711731},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.5729755163192749},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.5728977918624878},{"id":"https://openalex.org/C2778806681","wikidata":"https://www.wikidata.org/wiki/Q907293","display_name":"Microphone array","level":4,"score":0.5723647475242615},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5400692820549011},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4338432550430298},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.4306453466415405},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36902016401290894},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33035242557525635},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.32198798656463623},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20195475220680237},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08501529693603516},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf56349.2022.10051862","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf56349.2022.10051862","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 56th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1005932108","display_name":null,"funder_award_id":"SERB/EE/2021410","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"},{"id":"https://openalex.org/G1221644601","display_name":null,"funder_award_id":"SERB/EE/2021410","funder_id":"https://openalex.org/F4320320691","funder_display_name":"Department of Science and Technology, Republic of South Africa"}],"funders":[{"id":"https://openalex.org/F4320320691","display_name":"Department of Science and Technology, Republic of South Africa","ror":"https://ror.org/048kh7197"},{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1482905835","https://openalex.org/W1494198834","https://openalex.org/W1603075283","https://openalex.org/W1966081805","https://openalex.org/W1969110495","https://openalex.org/W2001426238","https://openalex.org/W2027642854","https://openalex.org/W2040910067","https://openalex.org/W2046317813","https://openalex.org/W2129501075","https://openalex.org/W2137867936","https://openalex.org/W2144141949","https://openalex.org/W2158995216","https://openalex.org/W2163994287","https://openalex.org/W2494085323","https://openalex.org/W2964342924","https://openalex.org/W3015081319","https://openalex.org/W3180459991","https://openalex.org/W3200042293","https://openalex.org/W4200576194","https://openalex.org/W4220795383"],"related_works":["https://openalex.org/W1963699169","https://openalex.org/W1879255185","https://openalex.org/W2800843880","https://openalex.org/W2120442551","https://openalex.org/W2769861442","https://openalex.org/W1980506188","https://openalex.org/W2900122540","https://openalex.org/W2793185748","https://openalex.org/W4240587264","https://openalex.org/W2011788874"],"abstract_inverted_index":{"A":[0],"novel":[1],"framework":[2],"for":[3],"super-resolution":[4],"direction":[5],"of":[6,10,53,107,122,137],"arrival":[7],"(DOA)":[8],"estimation":[9],"acoustic":[11],"sources":[12],"in":[13,22,30,93],"the":[14,44,48,54,61,73,79,84,88,94,100,104,108,116,135,138],"spherical":[15,49,55],"harmonics":[16,50],"(SH)":[17],"domain":[18],"has":[19],"been":[20],"addressed":[21],"this":[23],"work.":[24],"The":[25],"proposed":[26,117,139],"method":[27],"is":[28,40,76],"developed":[29],"two":[31],"stages.":[32],"First,":[33],"a":[34,67],"convolutional":[35],"neural":[36],"network":[37],"(CNN)":[38],"model":[39,90,119],"investigated":[41],"to":[42,72,78,82,112,133],"obtain":[43],"DOA":[45,74],"classes":[46,75],"from":[47],"decomposition":[51],"(SHD)":[52],"microphone":[56],"array":[57],"(SMA)":[58],"recordings.":[59],"Subsequently,":[60],"matching":[62],"pursuit":[63],"(MP)":[64],"algorithm":[65,102],"with":[66],"high-resolution":[68,114],"search":[69],"grid":[70],"corresponding":[71],"applied":[77],"SHD":[80],"signals":[81],"localize":[83],"acoustics":[85],"source.":[86],"Since":[87],"CNN":[89],"performs":[91],"better":[92],"noisy":[95],"and":[96,99,128],"reverberant":[97],"environment":[98],"MP":[101],"uses":[103],"orthogonal":[105],"property":[106],"SH":[109],"basis":[110],"function":[111],"provide":[113],"localization,":[115],"hybrid":[118],"takes":[120],"advantage":[121],"both":[123],"these":[124],"models.":[125],"Extensive":[126],"simulations":[127],"real-time":[129],"experiments":[130],"are":[131],"performed":[132],"validate":[134],"performance":[136],"model.":[140]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
