{"id":"https://openalex.org/W4404840393","doi":"https://doi.org/10.1109/tsp.2024.3508468","title":"Enhancing Missing Data Imputation of Non-Stationary Oscillatory Signals With Harmonic Decomposition","display_name":"Enhancing Missing Data Imputation of Non-Stationary Oscillatory Signals With Harmonic Decomposition","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4404840393","doi":"https://doi.org/10.1109/tsp.2024.3508468"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2024.3508468","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2024.3508468","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"},"type":"article","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/A5046054800","display_name":"Joaqu\u00edn Ruiz","orcid":"https://orcid.org/0000-0002-0201-2190"},"institutions":[{"id":"https://openalex.org/I151201029","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59","country_code":"AR","type":"government","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387155568"]},{"id":"https://openalex.org/I4387152736","display_name":"Instituto de Investigaci\u00f3n y Desarrollo en Bioingenier\u00eda y Bioinform\u00e1tica","ror":"https://ror.org/04ssjv946","country_code":null,"type":"facility","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387152736","https://openalex.org/I4387155568","https://openalex.org/I62318804"]}],"countries":["AR"],"is_corresponding":true,"raw_author_name":"Joaquin Ruiz","raw_affiliation_strings":["Institute for Research and Development in Bioengineering and Bioinformatics (IBB), CONICET, and also with the Faculty of Engineering, UNER, Oro Verde, Argentina"],"affiliations":[{"raw_affiliation_string":"Institute for Research and Development in Bioengineering and Bioinformatics (IBB), CONICET, and also with the Faculty of Engineering, UNER, Oro Verde, Argentina","institution_ids":["https://openalex.org/I4387152736","https://openalex.org/I151201029"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049698434","display_name":"Hau\u2010Tieng Wu","orcid":"https://orcid.org/0000-0002-0253-3156"},"institutions":[{"id":"https://openalex.org/I36672615","display_name":"Courant Institute of Mathematical Sciences","ror":"https://ror.org/037tm7f56","country_code":"US","type":"education","lineage":["https://openalex.org/I36672615","https://openalex.org/I57206974"]},{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hau-Tieng Wu","raw_affiliation_strings":["Courant Institute of Mathematical Sciences, New York University, New York, NY, USA"],"affiliations":[{"raw_affiliation_string":"Courant Institute of Mathematical Sciences, New York University, New York, NY, USA","institution_ids":["https://openalex.org/I36672615","https://openalex.org/I57206974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061642952","display_name":"Marcelo A. Colominas","orcid":"https://orcid.org/0000-0003-4418-7527"},"institutions":[{"id":"https://openalex.org/I151201029","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59","country_code":"AR","type":"government","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387155568"]},{"id":"https://openalex.org/I4387152736","display_name":"Instituto de Investigaci\u00f3n y Desarrollo en Bioingenier\u00eda y Bioinform\u00e1tica","ror":"https://ror.org/04ssjv946","country_code":null,"type":"facility","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387152736","https://openalex.org/I4387155568","https://openalex.org/I62318804"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"Marcelo A. Colominas","raw_affiliation_strings":["Institute for Research and Development in Bioengineering and Bioinformatics (IBB), CONICET, and also with the Faculty of Engineering, UNER, Oro Verde, Argentina"],"affiliations":[{"raw_affiliation_string":"Institute for Research and Development in Bioengineering and Bioinformatics (IBB), CONICET, and also with the Faculty of Engineering, UNER, Oro Verde, Argentina","institution_ids":["https://openalex.org/I4387152736","https://openalex.org/I151201029"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5046054800"],"corresponding_institution_ids":["https://openalex.org/I151201029","https://openalex.org/I4387152736"],"apc_list":null,"apc_paid":null,"fwci":0.4986,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.66957777,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"72","issue":null,"first_page":"5581","last_page":"5592"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9706000089645386,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9706000089645386,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9124000072479248,"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/imputation","display_name":"Imputation (statistics)","score":0.7212842702865601},{"id":"https://openalex.org/keywords/missing-data","display_name":"Missing data","score":0.6828325986862183},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.4745909869670868},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.45622074604034424},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45259878039360046},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4490519165992737},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.41791510581970215},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.36889445781707764},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.35875070095062256},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3566897511482239},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33747750520706177},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.33441197872161865},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12075662612915039}],"concepts":[{"id":"https://openalex.org/C58041806","wikidata":"https://www.wikidata.org/wiki/Q1660484","display_name":"Imputation (statistics)","level":3,"score":0.7212842702865601},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.6828325986862183},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.4745909869670868},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45622074604034424},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45259878039360046},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4490519165992737},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.41791510581970215},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.36889445781707764},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.35875070095062256},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3566897511482239},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33747750520706177},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.33441197872161865},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12075662612915039},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2024.3508468","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2024.3508468","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2000326027","display_name":null,"funder_award_id":"PICT-2020-SERIEA-01808","funder_id":"https://openalex.org/F4320337954","funder_display_name":"Fondo para la Investigaci\u00f3n Cient\u00edfica y Tecnol\u00f3gica"},{"id":"https://openalex.org/G3075121581","display_name":null,"funder_award_id":"PICT-2020-SERIEA-01865","funder_id":"https://openalex.org/F4320337954","funder_display_name":"Fondo para la Investigaci\u00f3n Cient\u00edfica y Tecnol\u00f3gica"},{"id":"https://openalex.org/G3085853931","display_name":null,"funder_award_id":"PIP-11220200100633CO","funder_id":"https://openalex.org/F4320321594","funder_display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas"},{"id":"https://openalex.org/G4166930866","display_name":null,"funder_award_id":"PIBAA-0812","funder_id":"https://openalex.org/F4320321594","funder_display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas"}],"funders":[{"id":"https://openalex.org/F4320321594","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59"},{"id":"https://openalex.org/F4320337954","display_name":"Fondo para la Investigaci\u00f3n Cient\u00edfica y Tecnol\u00f3gica","ror":"https://ror.org/03stxzb56"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1549386224","https://openalex.org/W1591018827","https://openalex.org/W1849547295","https://openalex.org/W1972241291","https://openalex.org/W1990139510","https://openalex.org/W1996387237","https://openalex.org/W2000607090","https://openalex.org/W2004514902","https://openalex.org/W2009807369","https://openalex.org/W2010800877","https://openalex.org/W2014356541","https://openalex.org/W2020061675","https://openalex.org/W2064186732","https://openalex.org/W2084453090","https://openalex.org/W2090218979","https://openalex.org/W2096045964","https://openalex.org/W2096863518","https://openalex.org/W2098712706","https://openalex.org/W2104148130","https://openalex.org/W2109316012","https://openalex.org/W2115098571","https://openalex.org/W2125291718","https://openalex.org/W2125677766","https://openalex.org/W2127615396","https://openalex.org/W2159586267","https://openalex.org/W2160573809","https://openalex.org/W2162313689","https://openalex.org/W2171487891","https://openalex.org/W2346100606","https://openalex.org/W2402513802","https://openalex.org/W2480680997","https://openalex.org/W2551063014","https://openalex.org/W2893076297","https://openalex.org/W2952387377","https://openalex.org/W2962915809","https://openalex.org/W2962942190","https://openalex.org/W3016491135","https://openalex.org/W3121341047","https://openalex.org/W3131696680","https://openalex.org/W3168697062","https://openalex.org/W4220760928","https://openalex.org/W4225651280","https://openalex.org/W4237650824","https://openalex.org/W4288058208","https://openalex.org/W4290672252","https://openalex.org/W4297888513","https://openalex.org/W4315486590"],"related_works":["https://openalex.org/W2181530120","https://openalex.org/W4211215373","https://openalex.org/W2024529227","https://openalex.org/W2055961818","https://openalex.org/W2903115227","https://openalex.org/W1574575415","https://openalex.org/W3144172081","https://openalex.org/W3179858851","https://openalex.org/W3028371478","https://openalex.org/W2081476516"],"abstract_inverted_index":{"Dealing":[0],"with":[1,4],"time":[2,54,85,121],"series":[3,55],"missing":[5,26],"values,":[6,27],"including":[7],"those":[8],"afflicted":[9],"by":[10],"low":[11],"quality":[12],"or":[13],"over-saturation,":[14],"presents":[15],"a":[16,65,151],"significant":[17],"signal":[18],"processing":[19],"challenge.":[20],"The":[21,144],"task":[22],"of":[23,36,46,79,110,140],"recovering":[24],"these":[25,47],"known":[28],"as":[29,150],"imputation,":[30],"has":[31],"led":[32],"to":[33,50,114,159],"the":[34,44,53,77,97,104,111,116,138],"development":[35],"several":[37],"algorithms.":[38,143],"However,":[39],"we":[40,63],"have":[41],"observed":[42],"that":[43,133],"efficacy":[45],"algorithms":[48,82],"tends":[49],"diminish":[51],"when":[52],"exhibits":[56],"non-stationary":[57],"oscillatory":[58,84,120],"behavior.":[59],"In":[60],"this":[61],"paper,":[62],"introduce":[64],"novel":[66],"algorithm,":[67,92],"coined":[68],"Harmonic":[69],"Level":[70],"Interpolation":[71],"(<monospace":[72],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[73,94,99,106,135],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">HaLI</monospace>),":[74],"which":[75],"enhances":[76,137],"performance":[78,139],"existing":[80,141],"imputation":[81,91,113,117,142],"for":[83,119,156],"series.":[86,122],"After":[87],"running":[88],"any":[89],"chosen":[90],"<monospace":[93,134],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">HaLI</monospace>":[95,136],"leverages":[96],"<italic":[98,105],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">harmonic":[100],"decomposition</i>":[101],"based":[102],"on":[103,126],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">adaptive":[107],"non-harmonic":[108],"model</i>":[109],"initial":[112],"improve":[115],"accuracy":[118],"Experimental":[123],"assessments":[124],"conducted":[125],"synthetic":[127],"and":[128],"real":[129],"signals":[130],"consistently":[131],"highlight":[132],"algorithm":[145],"is":[146],"made":[147],"publicly":[148],"available":[149],"readily":[152],"employable":[153],"Matlab":[154],"code":[155],"other":[157],"researchers":[158],"use.":[160]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-03-29T08:15:47.926485","created_date":"2025-10-10T00:00:00"}
