{"id":"https://openalex.org/W2104413851","doi":"https://doi.org/10.1109/icassp.2011.5947077","title":"A sparse covariance-based method for direction of arrival estimation","display_name":"A sparse covariance-based method for direction of arrival estimation","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2104413851","doi":"https://doi.org/10.1109/icassp.2011.5947077","mag":"2104413851"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2011.5947077","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947077","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5007877889","display_name":"Petre Stoica","orcid":"https://orcid.org/0000-0002-7957-3711"},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"P Stoica","raw_affiliation_strings":["Department of Information Technology, University of Uppsala, Uppsala, Sweden","Dept. of Information Technology, Uppsala University, SE-75105, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Technology, University of Uppsala, Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]},{"raw_affiliation_string":"Dept. of Information Technology, Uppsala University, SE-75105, Sweden","institution_ids":["https://openalex.org/I123387679"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012466580","display_name":"Prabhu Babu","orcid":"https://orcid.org/0000-0002-9041-9010"},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"P Babu","raw_affiliation_strings":["Department of Information Technology, University of Uppsala, Uppsala, Sweden","Dept. of Information Technology, Uppsala University, SE-75105, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Information Technology, University of Uppsala, Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]},{"raw_affiliation_string":"Dept. of Information Technology, Uppsala University, SE-75105, Sweden","institution_ids":["https://openalex.org/I123387679"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080809194","display_name":"Ju Li","orcid":"https://orcid.org/0000-0003-0037-4144"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA","Department of Electrical and Computer Engineering, University of Florida, Gainesville, 32611, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA","institution_ids":["https://openalex.org/I33213144"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Florida, Gainesville, 32611, USA#TAB#","institution_ids":["https://openalex.org/I33213144"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8341,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7082692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"53","issue":null,"first_page":"2844","last_page":"2847"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","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/T10860","display_name":"Speech and Audio Processing","score":0.9987999796867371,"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":0.9969000220298767,"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/snapshot","display_name":"Snapshot (computer storage)","score":0.6817584037780762},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6686229109764099},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.65058434009552},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6016911268234253},{"id":"https://openalex.org/keywords/spice","display_name":"Spice","score":0.5390509963035583},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5383824110031128},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.47313016653060913},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.4368024468421936},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.41618409752845764},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3971458375453949},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.273756742477417},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1875094175338745},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.10718235373497009},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08191412687301636},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0641222894191742}],"concepts":[{"id":"https://openalex.org/C55282118","wikidata":"https://www.wikidata.org/wiki/Q252683","display_name":"Snapshot (computer storage)","level":2,"score":0.6817584037780762},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6686229109764099},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.65058434009552},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6016911268234253},{"id":"https://openalex.org/C2780077345","wikidata":"https://www.wikidata.org/wiki/Q16891888","display_name":"Spice","level":2,"score":0.5390509963035583},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5383824110031128},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.47313016653060913},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.4368024468421936},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.41618409752845764},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3971458375453949},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.273756742477417},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1875094175338745},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.10718235373497009},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08191412687301636},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0641222894191742},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2011.5947077","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947077","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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":9,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1986195997","https://openalex.org/W2019945856","https://openalex.org/W2072361960","https://openalex.org/W2103519107","https://openalex.org/W2115141757","https://openalex.org/W3101776211","https://openalex.org/W6646968927","https://openalex.org/W6677378047"],"related_works":["https://openalex.org/W2359299668","https://openalex.org/W1604267224","https://openalex.org/W3088635414","https://openalex.org/W4362680572","https://openalex.org/W2921280830","https://openalex.org/W2887132723","https://openalex.org/W2572601863","https://openalex.org/W1670628120","https://openalex.org/W2756533552","https://openalex.org/W4286579657"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"present":[4],"a":[5,28,65],"new":[6],"sparse":[7],"iterative":[8],"covariance-based":[9],"estimation":[10,19],"approach,":[11],"called":[12],"SPICE,":[13],"to":[14],"the":[15,25,48,59,62],"direction":[16],"of":[17,27,47,58,73],"arrival":[18],"problem.":[20],"SPICE":[21,53],"is":[22],"obtained":[23],"by":[24,52],"minimization":[26],"statistically":[29],"well":[30],"motivated":[31],"covariance":[32],"matrix":[33],"fitting":[34],"criterion":[35],"and":[36,43,76],"can":[37],"be":[38],"used":[39],"in":[40,61,64],"both":[41],"single":[42],"multiple-snapshot":[44],"cases.":[45],"Some":[46],"unique":[49],"features":[50],"enjoyed":[51],"are:":[54],"it":[55,68,77],"takes":[56],"account":[57],"noise":[60],"data":[63],"natural":[66],"manner,":[67],"does":[69],"not":[70],"require":[71],"selection":[72],"any":[74],"hyper-parameters,":[75],"has":[78],"global":[79],"convergence":[80],"properties.":[81]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
