{"id":"https://openalex.org/W4393379965","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10476820","title":"Identifiability in Multi-Channel Factor Analysis","display_name":"Identifiability in Multi-Channel Factor Analysis","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4393379965","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10476820"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf59524.2023.10476820","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10476820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repositorio.unican.es/xmlui/bitstream/10902/32589/2/IdentifiabilityMulti-ChannelFactor.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004763091","display_name":"Gray Stanton","orcid":"https://orcid.org/0009-0005-6038-9593"},"institutions":[{"id":"https://openalex.org/I92446798","display_name":"Colorado State University","ror":"https://ror.org/03k1gpj17","country_code":"US","type":"education","lineage":["https://openalex.org/I92446798"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Gray Stanton","raw_affiliation_strings":["Statistics Colorado State University,Fort Collins,USA","Statistics Colorado State University, Fort Collins, USA"],"affiliations":[{"raw_affiliation_string":"Statistics Colorado State University,Fort Collins,USA","institution_ids":["https://openalex.org/I92446798"]},{"raw_affiliation_string":"Statistics Colorado State University, Fort Collins, USA","institution_ids":["https://openalex.org/I92446798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058914830","display_name":"David Ram\u00edrez","orcid":"https://orcid.org/0000-0002-6883-7742"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"David Ram\u00edrez","raw_affiliation_strings":["Universidad Carlos III de Madrid,Teoría de la Señal y Comunicaciones,Madrid,Spain"],"affiliations":[{"raw_affiliation_string":"Universidad Carlos III de Madrid,Teoría de la Señal y Comunicaciones,Madrid,Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"middle","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":["Universidad de Cantabria,Ingeniería de Comunicaciones,Santander,Spain"],"affiliations":[{"raw_affiliation_string":"Universidad de Cantabria,Ingeniería de Comunicaciones,Santander,Spain","institution_ids":["https://openalex.org/I13134134"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080469112","display_name":"Louis L. Scharf","orcid":"https://orcid.org/0000-0003-1764-9335"},"institutions":[{"id":"https://openalex.org/I92446798","display_name":"Colorado State University","ror":"https://ror.org/03k1gpj17","country_code":"US","type":"education","lineage":["https://openalex.org/I92446798"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Louis L. Scharf","raw_affiliation_strings":["Colorado State University,Mathematics,Fort Collins,USA","Mathematics, Colorado State University, Fort Collins, USA"],"affiliations":[{"raw_affiliation_string":"Colorado State University,Mathematics,Fort Collins,USA","institution_ids":["https://openalex.org/I92446798"]},{"raw_affiliation_string":"Mathematics, Colorado State University, Fort Collins, USA","institution_ids":["https://openalex.org/I92446798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043280371","display_name":"Haonan Wang","orcid":"https://orcid.org/0000-0002-8892-6232"},"institutions":[{"id":"https://openalex.org/I92446798","display_name":"Colorado State University","ror":"https://ror.org/03k1gpj17","country_code":"US","type":"education","lineage":["https://openalex.org/I92446798"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Haonan Wang","raw_affiliation_strings":["Statistics Colorado State University,Fort Collins,USA","Statistics Colorado State University, Fort Collins, USA"],"affiliations":[{"raw_affiliation_string":"Statistics Colorado State University,Fort Collins,USA","institution_ids":["https://openalex.org/I92446798"]},{"raw_affiliation_string":"Statistics Colorado State University, Fort Collins, USA","institution_ids":["https://openalex.org/I92446798"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5004763091"],"corresponding_institution_ids":["https://openalex.org/I92446798"],"apc_list":null,"apc_paid":null,"fwci":0.3975,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.65549061,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"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/T13924","display_name":"Internet of Things and Social Network Interactions","score":0.06289999932050705,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T13924","display_name":"Internet of Things and Social Network Interactions","score":0.06289999932050705,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T14156","display_name":"Engineering Applied Research","score":0.060600001364946365,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T13535","display_name":"Wireless Sensor Networks and IoT","score":0.06040000170469284,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/identifiability","display_name":"Identifiability","score":0.8537508845329285},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6074744462966919},{"id":"https://openalex.org/keywords/factor","display_name":"Factor (programming language)","score":0.5061864256858826},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4716106057167053},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21045935153961182},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.11475470662117004}],"concepts":[{"id":"https://openalex.org/C122770356","wikidata":"https://www.wikidata.org/wiki/Q1656753","display_name":"Identifiability","level":2,"score":0.8537508845329285},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6074744462966919},{"id":"https://openalex.org/C2781039887","wikidata":"https://www.wikidata.org/wiki/Q1391724","display_name":"Factor (programming language)","level":2,"score":0.5061864256858826},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4716106057167053},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21045935153961182},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.11475470662117004},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ieeeconf59524.2023.10476820","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10476820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.unican.es:10902/32589","is_oa":true,"landing_page_url":"https://hdl.handle.net/10902/32589","pdf_url":"https://repositorio.unican.es/xmlui/bitstream/10902/32589/2/IdentifiabilityMulti-ChannelFactor.pdf","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":"57th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, 2023, 1344-1349","raw_type":"acceptedVersion"}],"best_oa_location":{"id":"pmh:oai:repositorio.unican.es:10902/32589","is_oa":true,"landing_page_url":"https://hdl.handle.net/10902/32589","pdf_url":"https://repositorio.unican.es/xmlui/bitstream/10902/32589/2/IdentifiabilityMulti-ChannelFactor.pdf","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":"57th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, 2023, 1344-1349","raw_type":"acceptedVersion"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.4399999976158142}],"awards":[{"id":"https://openalex.org/G1269267818","display_name":null,"funder_award_id":"MCIN/ AEI /10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G1320060331","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/50110001103","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G1430692297","display_name":null,"funder_award_id":"N62909-23-1-2002","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"},{"id":"https://openalex.org/G1598597440","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/5011000110","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G1643949827","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2262748287","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2969783435","display_name":null,"funder_award_id":"CIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G300979063","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3092051775","display_name":null,"funder_award_id":"DMS-1923142,CNS-1932413,DMS-2123761","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3219925899","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3429648993","display_name":null,"funder_award_id":"PID202","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3480869486","display_name":null,"funder_award_id":"13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G4126322094","display_name":null,"funder_award_id":"01100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G4187005555","display_name":"ATD: Threat Detection Based on Simultaneous Monitoring of Complex Signals from Multiple Sources","funder_award_id":"2123761","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4328575324","display_name":null,"funder_award_id":"DMS-2123761","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4776870722","display_name":null,"funder_award_id":"unknown","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"},{"id":"https://openalex.org/G4816244515","display_name":null,"funder_award_id":"FEDER","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5080475149","display_name":null,"funder_award_id":"10.13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5350169535","display_name":"Development of Statistical Fault Detection Algorithms for Modern Power Grid Networks","funder_award_id":"1923142","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G586857820","display_name":null,"funder_award_id":"501100011033/FEDER","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6071709581","display_name":null,"funder_award_id":"13039/501100011033/","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6231620680","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033/","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G661330594","display_name":null,"funder_award_id":"00110","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6685425346","display_name":null,"funder_award_id":"0011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6717538712","display_name":null,"funder_award_id":"AEI /10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7084143925","display_name":null,"funder_award_id":"AEI/10","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7177346398","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033/FEDER","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7266728691","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7535663061","display_name":null,"funder_award_id":"AEI/10.","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8119475202","display_name":"CPS: Medium: Collaborative Research: Collective Intelligence for Proactive Autonomous Driving (CI-PAD)","funder_award_id":"1932413","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8260616629","display_name":null,"funder_award_id":"011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8461337269","display_name":null,"funder_award_id":"CNS-1932413","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8638682022","display_name":null,"funder_award_id":"10.13039/50110001103","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8739499058","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033/FEDER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4393379965.pdf","grobid_xml":"https://content.openalex.org/works/W4393379965.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1748168094","https://openalex.org/W1874862603","https://openalex.org/W2002815471","https://openalex.org/W2011396616","https://openalex.org/W2041626758","https://openalex.org/W2078483536","https://openalex.org/W2093304331","https://openalex.org/W2101478599","https://openalex.org/W2124146532","https://openalex.org/W2133999891","https://openalex.org/W2158541895","https://openalex.org/W2987424703","https://openalex.org/W2990047673","https://openalex.org/W4312140338","https://openalex.org/W4313384708"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2724847603","https://openalex.org/W2034041141","https://openalex.org/W2184661725","https://openalex.org/W2900187352","https://openalex.org/W112856298","https://openalex.org/W2573470972","https://openalex.org/W2105626102","https://openalex.org/W2131038454","https://openalex.org/W4240568257"],"abstract_inverted_index":{"The":[0],"recently":[1],"developed":[2],"Multi-Channel":[3],"Factor":[4],"Analysis":[5],"(MFA)":[6],"is":[7,17],"a":[8,12],"method":[9],"for":[10],"extracting":[11],"latent":[13,97],"low-dimensional":[14],"signal":[15,41],"that":[16,53,90],"present":[18],"across":[19],"multiple":[20],"channels":[21],"and":[22,28,37,42,57,73,80],"corrupted":[23],"by":[24,65],"unobserved":[25],"single-channel":[26],"interference":[27,43],"idiosyncratic":[29],"noise.":[30],"In":[31],"MFA,":[32,88],"only":[33],"the":[34,40,51,54,66,77,85,91,96,105],"channel":[35,78],"structure":[36],"dimensionality":[38],"of":[39,87,95],"subspaces":[44],"are":[45],"specified":[46],"in":[47,100],"advance,":[48],"which":[49],"raises":[50],"concern":[52],"signal,":[55],"interference,":[56],"noise":[58],"covariances":[59],"may":[60],"not":[61],"be":[62,102],"uniquely":[63],"determined":[64],"observation":[67],"model.":[68],"This":[69],"paper":[70],"presents":[71],"necessary":[72],"sufficient":[74],"conditions":[75],"on":[76],"sizes":[79],"subspace":[81],"dimensions":[82],"to":[83],"guarantee":[84],"identifiability":[86],"ensuring":[89],"second-order":[92],"spatial":[93],"properties":[94],"components":[98],"can,":[99],"principle,":[101],"recovered":[103],"from":[104],"multi-channel":[106],"observations.":[107]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}