{"id":"https://openalex.org/W3120051936","doi":"https://doi.org/10.1109/tip.2022.3187285","title":"Covariance Estimation From Compressive Data Partitions Using a Projected Gradient-Based Algorithm","display_name":"Covariance Estimation From Compressive Data Partitions Using a Projected Gradient-Based Algorithm","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W3120051936","doi":"https://doi.org/10.1109/tip.2022.3187285","mag":"3120051936","pmid":"https://pubmed.ncbi.nlm.nih.gov/35830408"},"language":"en","primary_location":{"id":"doi:10.1109/tip.2022.3187285","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2022.3187285","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2101.04027","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009365999","display_name":"Jonathan Monsalve","orcid":"https://orcid.org/0000-0002-8836-556X"},"institutions":[{"id":"https://openalex.org/I115684694","display_name":"Industrial University of Santander","ror":"https://ror.org/00xc1d948","country_code":"CO","type":"education","lineage":["https://openalex.org/I115684694"]},{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]},{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["CO","ES","GB"],"is_corresponding":true,"raw_author_name":"Jonathan Monsalve","raw_affiliation_strings":["Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga, Colombia","Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK"],"raw_orcid":"https://orcid.org/0000-0002-8836-556X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga, Colombia","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090211271","display_name":"Juan Marcos Ram\u00edrez","orcid":"https://orcid.org/0000-0003-0000-1073"},"institutions":[{"id":"https://openalex.org/I115684694","display_name":"Industrial University of Santander","ror":"https://ror.org/00xc1d948","country_code":"CO","type":"education","lineage":["https://openalex.org/I115684694"]},{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]},{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["CO","ES","GB"],"is_corresponding":false,"raw_author_name":"Juan Ramirez","raw_affiliation_strings":["Department of Computer Science, Universidad Rey Juan Carlos, Madrid, Spain","Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia"],"raw_orcid":"https://orcid.org/0000-0003-0000-1073","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Universidad Rey Juan Carlos, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","institution_ids":["https://openalex.org/I91136226"]},{"raw_affiliation_string":"Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","institution_ids":["https://openalex.org/I115684694"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059775092","display_name":"I\u00f1aki Esnaola","orcid":"https://orcid.org/0000-0001-5597-1718"},"institutions":[{"id":"https://openalex.org/I115684694","display_name":"Industrial University of Santander","ror":"https://ror.org/00xc1d948","country_code":"CO","type":"education","lineage":["https://openalex.org/I115684694"]},{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]},{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["CO","ES","GB"],"is_corresponding":false,"raw_author_name":"Inaki Esnaola","raw_affiliation_strings":["Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, U.K","Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I"],"raw_orcid":"https://orcid.org/0000-0001-5597-1718","affiliations":[{"raw_affiliation_string":"Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, U.K","institution_ids":["https://openalex.org/I91136226"]},{"raw_affiliation_string":"Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","institution_ids":["https://openalex.org/I91136226"]},{"raw_affiliation_string":"Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","institution_ids":["https://openalex.org/I182083151"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081714132","display_name":"Henry Arg\u00fcello","orcid":"https://orcid.org/0000-0002-2202-253X"},"institutions":[{"id":"https://openalex.org/I115684694","display_name":"Industrial University of Santander","ror":"https://ror.org/00xc1d948","country_code":"CO","type":"education","lineage":["https://openalex.org/I115684694"]},{"id":"https://openalex.org/I182083151","display_name":"Universidad Rey Juan Carlos","ror":"https://ror.org/01v5cv687","country_code":"ES","type":"education","lineage":["https://openalex.org/I182083151"]},{"id":"https://openalex.org/I4210150934","display_name":"Universidad De Santander","ror":"https://ror.org/04n6qsf08","country_code":"CO","type":"education","lineage":["https://openalex.org/I4210150934"]},{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["CO","ES","GB"],"is_corresponding":false,"raw_author_name":"Henry Arguello","raw_affiliation_strings":["Department of Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga, Colombia","Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia"],"raw_orcid":"https://orcid.org/0000-0002-2202-253X","affiliations":[{"raw_affiliation_string":"Department of Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga, Colombia","institution_ids":["https://openalex.org/I4210150934","https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Automatic Control and Systems Engineering, The University of Sheffield, Western Bank, Sheffield, UK","institution_ids":["https://openalex.org/I91136226"]},{"raw_affiliation_string":"Department of Electrical Engineering, Universidad Industrial de Santander, Bucaramanga 680002, Colombia. J","institution_ids":["https://openalex.org/I115684694"]},{"raw_affiliation_string":"Department of Computer Science, Universidad Rey Juan Carlos, Madrid, 28933, Spain. I","institution_ids":["https://openalex.org/I182083151"]},{"raw_affiliation_string":"Department Systems Engineering and Informatics, Universidad Industrial de Santander, Bucaramanga 680002, Colombia","institution_ids":["https://openalex.org/I115684694"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5009365999"],"corresponding_institution_ids":["https://openalex.org/I115684694","https://openalex.org/I182083151","https://openalex.org/I91136226"],"apc_list":null,"apc_paid":null,"fwci":0.4984,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.5381185,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"31","issue":null,"first_page":"4817","last_page":"4827"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.9983000159263611,"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/compressed-sensing","display_name":"Compressed sensing","score":0.6837193965911865},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6674834489822388},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.5938236713409424},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5557538270950317},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.536689043045044},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5103082060813904},{"id":"https://openalex.org/keywords/estimation-of-covariance-matrices","display_name":"Estimation of covariance matrices","score":0.5007190704345703},{"id":"https://openalex.org/keywords/covariance-function","display_name":"Covariance function","score":0.4827379584312439},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.36088159680366516},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3554512560367584},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1826959252357483},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1765168309211731}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.6837193965911865},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6674834489822388},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.5938236713409424},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5557538270950317},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.536689043045044},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5103082060813904},{"id":"https://openalex.org/C180877172","wikidata":"https://www.wikidata.org/wiki/Q5401390","display_name":"Estimation of covariance matrices","level":3,"score":0.5007190704345703},{"id":"https://openalex.org/C137250428","wikidata":"https://www.wikidata.org/wiki/Q5178897","display_name":"Covariance function","level":3,"score":0.4827379584312439},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.36088159680366516},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3554512560367584},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1826959252357483},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1765168309211731}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tip.2022.3187285","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2022.3187285","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-article"},{"id":"pmid:35830408","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35830408","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on image processing : a publication of the IEEE Signal Processing Society","raw_type":null},{"id":"pmh:oai:arXiv.org:2101.04027","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2101.04027","pdf_url":"https://arxiv.org/pdf/2101.04027","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2101.04027","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2101.04027","pdf_url":"https://arxiv.org/pdf/2101.04027","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G796343124","display_name":null,"funder_award_id":"2020000100415","funder_id":"https://openalex.org/F4320327969","funder_display_name":"Sistema General de Regal\u00edas de Colombia"}],"funders":[{"id":"https://openalex.org/F4320327969","display_name":"Sistema General de Regal\u00edas de Colombia","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":60,"referenced_works":["https://openalex.org/W38565172","https://openalex.org/W1601795611","https://openalex.org/W1981939910","https://openalex.org/W1991799212","https://openalex.org/W1992400371","https://openalex.org/W1999542175","https://openalex.org/W2002498099","https://openalex.org/W2002635597","https://openalex.org/W2010515061","https://openalex.org/W2012528387","https://openalex.org/W2014980207","https://openalex.org/W2040367593","https://openalex.org/W2043441451","https://openalex.org/W2056672982","https://openalex.org/W2069041187","https://openalex.org/W2084591647","https://openalex.org/W2104266187","https://openalex.org/W2104453356","https://openalex.org/W2108763700","https://openalex.org/W2119667497","https://openalex.org/W2128873066","https://openalex.org/W2133105246","https://openalex.org/W2149631607","https://openalex.org/W2155599972","https://openalex.org/W2157621128","https://openalex.org/W2161073299","https://openalex.org/W2169872334","https://openalex.org/W2170608472","https://openalex.org/W2204858460","https://openalex.org/W2211589247","https://openalex.org/W2279145679","https://openalex.org/W2286274660","https://openalex.org/W2296616510","https://openalex.org/W2342181855","https://openalex.org/W2480981092","https://openalex.org/W2490662969","https://openalex.org/W2511212532","https://openalex.org/W2511401065","https://openalex.org/W2520594112","https://openalex.org/W2562346436","https://openalex.org/W2741835375","https://openalex.org/W2763084746","https://openalex.org/W2932937261","https://openalex.org/W2963297687","https://openalex.org/W2965497096","https://openalex.org/W2969132644","https://openalex.org/W2995172794","https://openalex.org/W2999673618","https://openalex.org/W3089017485","https://openalex.org/W3098045837","https://openalex.org/W3103055976","https://openalex.org/W3125408626","https://openalex.org/W3133114607","https://openalex.org/W3157555089","https://openalex.org/W4250955649","https://openalex.org/W4254078441","https://openalex.org/W4292023222","https://openalex.org/W4399997615","https://openalex.org/W6695106846","https://openalex.org/W6742131725"],"related_works":["https://openalex.org/W2887132723","https://openalex.org/W2921280830","https://openalex.org/W2756533552","https://openalex.org/W1987404909","https://openalex.org/W1561790410","https://openalex.org/W2018001152","https://openalex.org/W4309794518","https://openalex.org/W2258123186","https://openalex.org/W4311761947","https://openalex.org/W2109377650"],"abstract_inverted_index":{"Compressive":[0],"covariance":[1,46,86,108,131,193,215],"estimation":[2,166],"has":[3],"arisen":[4],"as":[5],"a":[6,66,81,135],"class":[7],"of":[8,17,84,106,147,159,184,195,217,252],"techniques":[9],"whose":[10],"aim":[11],"is":[12,69,154,176,258],"to":[13,52,72,76,100,163,248,265],"obtain":[14],"second-order":[15],"statistics":[16],"stochastic":[18],"processes":[19],"from":[20,48,110,198,220],"compressive":[21,49,111,118,202,221],"measurements.":[22,112],"Recently,":[23],"these":[24],"methods":[25],"have":[26],"been":[27],"used":[28,264],"in":[29,230],"various":[30],"image":[31],"processing":[32],"and":[33,40,127,200,235,260],"communications":[34],"applications,":[35],"including":[36],"denoising,":[37],"spectrum":[38],"sensing,":[39],"compression.":[41],"Notice":[42],"that":[43,140,207,239],"estimating":[44],"the":[45,73,85,96,107,117,130,148,160,165,172,181,185,192,208,214,240,244,250,267],"matrix":[47,109,132,194,216],"samples":[50],"leads":[51],"ill-posed":[53],"minimizations":[54],"with":[55,180,223],"severe":[56],"performance":[57],"loss":[58],"at":[59,156],"high":[60,224],"compression":[61,225],"rates.":[62],"In":[63],"this":[64,89],"regard,":[65],"regularization":[67],"term":[68],"typically":[70],"aggregated":[71],"cost":[74],"function":[75],"consider":[77],"prior":[78],"information":[79],"about":[80],"particular":[82],"property":[83],"matrix.":[87],"Hence,":[88],"paper":[90],"proposes":[91],"an":[92,145,255],"algorithm":[93,115,162,190,210],"based":[94],"on":[95],"projected":[97,123],"gradient":[98,152],"method":[99],"recover":[101,213],"low-rank":[102],"or":[103],"Toeplitz":[104],"approximations":[105],"The":[113,168,188],"proposed":[114,161,173,186,189,209],"divides":[116],"measurements":[119,222,262],"into":[120],"data":[121,142],"subsets":[122],"onto":[124],"different":[125],"subspaces":[126],"accurately":[128],"estimates":[129,191],"by":[133,171],"solving":[134],"single":[136],"optimization":[137],"problem":[138],"assuming":[139],"each":[141],"subset":[143],"contains":[144],"approximation":[146],"signal":[149],"statistics.":[150],"Furthermore,":[151],"filtering":[153,241],"included":[155],"every":[157],"iteration":[158],"minimize":[164],"error.":[167],"error":[169,246],"induced":[170],"splitting":[174],"approach":[175],"analytically":[177],"derived":[178],"along":[179],"convergence":[182],"guarantees":[183],"method.":[187],"hyperspectral":[196,218],"images":[197,219],"synthetic":[199],"real":[201,261],"samples.":[203],"Extensive":[204],"simulations":[205,234],"show":[206,238],"can":[211],"effectively":[212],"ratios":[226],"(":[227],"8-15%":[228],"approx)":[229],"noisy":[231],"scenarios.":[232],"Moreover,":[233],"theoretical":[236,268],"results":[237],"step":[242],"reduces":[243],"recovery":[245],"up":[247],"twice":[249],"number":[251],"eigenvectors.":[253],"Finally,":[254],"optical":[256],"implementation":[257],"proposed,":[259],"are":[263],"validate":[266],"findings.":[269]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}