{"id":"https://openalex.org/W3015719141","doi":"https://doi.org/10.1109/icassp40776.2020.9054048","title":"Source Enumeration via Toeplitz Matrix Completion","display_name":"Source Enumeration via Toeplitz Matrix Completion","publication_year":2020,"publication_date":"2020-04-09","ids":{"openalex":"https://openalex.org/W3015719141","doi":"https://doi.org/10.1109/icassp40776.2020.9054048","mag":"3015719141"},"language":"en","primary_location":{"id":"doi:10.1109/icassp40776.2020.9054048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp40776.2020.9054048","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10902/20609","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079836321","display_name":"Vaibhav Garg","orcid":"https://orcid.org/0000-0002-6639-3324"},"institutions":[{"id":"https://openalex.org/I13134134","display_name":"Universidad de Cantabria","ror":"https://ror.org/046ffzj20","country_code":"ES","type":"education","lineage":["https://openalex.org/I13134134"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Vaibhav Garg","raw_affiliation_strings":["Dept. of Communications Engineering, Universidad de Cantabria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communications Engineering, Universidad de Cantabria, Spain","institution_ids":["https://openalex.org/I13134134"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078994835","display_name":"Pere Gim\u00e9nez-Febrer","orcid":"https://orcid.org/0000-0002-8567-8608"},"institutions":[{"id":"https://openalex.org/I13134134","display_name":"Universidad de Cantabria","ror":"https://ror.org/046ffzj20","country_code":"ES","type":"education","lineage":["https://openalex.org/I13134134"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pere Gimenez-Febrer","raw_affiliation_strings":["Dept. of Communications Engineering, Universidad de Cantabria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communications Engineering, Universidad de Cantabria, Spain","institution_ids":["https://openalex.org/I13134134"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066117443","display_name":"Alba Pag\u00e9s-Zamora","orcid":"https://orcid.org/0000-0002-7087-7014"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alba Pages-Zamora","raw_affiliation_strings":["SPCOM Group, Universitat Polit\u00e8cnica de Catalunya-Barcelona Tech, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SPCOM Group, Universitat Polit\u00e8cnica de Catalunya-Barcelona Tech, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059078809","display_name":"Ignacio Santamar\u0131\u0301a","orcid":"https://orcid.org/0000-0003-0040-7436"},"institutions":[{"id":"https://openalex.org/I13134134","display_name":"Universidad de Cantabria","ror":"https://ror.org/046ffzj20","country_code":"ES","type":"education","lineage":["https://openalex.org/I13134134"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ignacio Santamaria","raw_affiliation_strings":["Dept. of Communications Engineering, Universidad de Cantabria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Communications Engineering, Universidad de Cantabria, Spain","institution_ids":["https://openalex.org/I13134134"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7604,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.69958257,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9984999895095825,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/toeplitz-matrix","display_name":"Toeplitz matrix","score":0.8818438053131104},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6572405099868774},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.6559053063392639},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6092388033866882},{"id":"https://openalex.org/keywords/matrix-norm","display_name":"Matrix norm","score":0.5585243105888367},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5315675139427185},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5264583230018616},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.5114189982414246},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.5061759352684021},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4728275239467621},{"id":"https://openalex.org/keywords/enumeration","display_name":"Enumeration","score":0.43782326579093933},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3296639323234558},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.29692554473876953},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.2881792485713959},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.09726780652999878},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.09266781806945801},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08293396234512329}],"concepts":[{"id":"https://openalex.org/C147710293","wikidata":"https://www.wikidata.org/wiki/Q849428","display_name":"Toeplitz matrix","level":2,"score":0.8818438053131104},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6572405099868774},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.6559053063392639},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6092388033866882},{"id":"https://openalex.org/C92207270","wikidata":"https://www.wikidata.org/wiki/Q939253","display_name":"Matrix norm","level":3,"score":0.5585243105888367},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5315675139427185},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5264583230018616},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.5114189982414246},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.5061759352684021},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4728275239467621},{"id":"https://openalex.org/C156340839","wikidata":"https://www.wikidata.org/wiki/Q2704791","display_name":"Enumeration","level":2,"score":0.43782326579093933},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3296639323234558},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.29692554473876953},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2881792485713959},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.09726780652999878},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.09266781806945801},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08293396234512329},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icassp40776.2020.9054048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp40776.2020.9054048","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.unican.es:10902/20609","is_oa":true,"landing_page_url":"http://hdl.handle.net/10902/20609","pdf_url":null,"source":{"id":"https://openalex.org/S4306400398","display_name":"UCrea (University of Cantabria)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I13134134","host_organization_name":"Universidad de Cantabria","host_organization_lineage":["https://openalex.org/I13134134"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Acoustics, Speech, and Signal Processing (ICCASP), Barcelona, 2020, 6044-6088","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:upcommons.upc.edu:2117/191913","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/191913","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:repositorio.unican.es:10902/20609","is_oa":true,"landing_page_url":"http://hdl.handle.net/10902/20609","pdf_url":null,"source":{"id":"https://openalex.org/S4306400398","display_name":"UCrea (University of Cantabria)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I13134134","host_organization_name":"Universidad de Cantabria","host_organization_lineage":["https://openalex.org/I13134134"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Acoustics, Speech, and Signal Processing (ICCASP), Barcelona, 2020, 6044-6088","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W653761051","https://openalex.org/W1578953027","https://openalex.org/W1659823078","https://openalex.org/W2008079409","https://openalex.org/W2009506162","https://openalex.org/W2009850603","https://openalex.org/W2034248602","https://openalex.org/W2047071281","https://openalex.org/W2054658115","https://openalex.org/W2066306397","https://openalex.org/W2096710051","https://openalex.org/W2109575181","https://openalex.org/W2122090912","https://openalex.org/W2137945018","https://openalex.org/W2140262081","https://openalex.org/W2142635246","https://openalex.org/W2155421090","https://openalex.org/W2156762553","https://openalex.org/W2158541895","https://openalex.org/W2163852636","https://openalex.org/W2340413290","https://openalex.org/W2509499822","https://openalex.org/W2592091268","https://openalex.org/W2746287658","https://openalex.org/W2889127575","https://openalex.org/W2921389793","https://openalex.org/W2943162956","https://openalex.org/W2986819504","https://openalex.org/W4251834819","https://openalex.org/W6658971160","https://openalex.org/W6677671969"],"related_works":["https://openalex.org/W2353873167","https://openalex.org/W2951683022","https://openalex.org/W2921280830","https://openalex.org/W2887132723","https://openalex.org/W2572601863","https://openalex.org/W1670628120","https://openalex.org/W1976318097","https://openalex.org/W4291238690","https://openalex.org/W2170667396","https://openalex.org/W2028568336"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"the":[3,14,36,44,59,75,79,90,94,109],"problem":[4],"of":[5,11,16,43,78,93],"source":[6,84],"enumeration":[7,85],"by":[8,65,106],"an":[9],"array":[10],"sensors":[12],"in":[13],"presence":[15],"noise":[17,33],"whose":[18],"spatial":[19],"covariance":[20,46,61,97],"structure":[21,77],"is":[22,63,87],"a":[23,56,67],"diagonal":[24,41],"matrix":[25,47,62,69,98],"with":[26,120],"possibly":[27],"different":[28],"variances,":[29],"referred":[30],"to":[31,73],"non-iid":[32],"hereafter,":[34],"when":[35],"sources":[37],"are":[38,48],"uncorrelated.":[39],"The":[40,82],"terms":[42],"sample":[45],"removed":[49],"and,":[50],"after":[51],"applying":[52],"Toeplitz":[53,76],"rectification":[54],"as":[55],"denoising":[57],"step,":[58],"signal":[60,96],"reconstructed":[64,95],"using":[66],"low-rank":[68],"completion":[70],"method":[71,111],"adapted":[72],"enforce":[74],"sought":[80],"solution.":[81],"proposed":[83,110],"criterion":[86],"based":[88],"on":[89],"Frobenius":[91],"norm":[92],"obtained":[99],"for":[100,114],"increasing":[101],"rank":[102],"values.":[103],"As":[104],"illustrated":[105],"simulation":[107],"examples,":[108],"performs":[112],"robustly":[113],"both":[115],"small":[116],"and":[117],"large-scale":[118],"arrays":[119],"few":[121],"snapshots,":[122],"i.e.":[123],"small-sample":[124],"regime.":[125]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}