{"id":"https://openalex.org/W4385627440","doi":"https://doi.org/10.1109/tsp.2023.3300632","title":"Robust Graph Filter Identification and Graph Denoising From Signal Observations","display_name":"Robust Graph Filter Identification and Graph Denoising From Signal Observations","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4385627440","doi":"https://doi.org/10.1109/tsp.2023.3300632"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2023.3300632","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2023.3300632","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":true,"oa_status":"green","oa_url":"https://hdl.handle.net/10115/32711","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001628625","display_name":"Samuel Rey","orcid":"https://orcid.org/0000-0003-1208-8997"},"institutions":[{"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"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Samuel Rey","raw_affiliation_strings":["Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain"],"raw_orcid":"https://orcid.org/0000-0003-1208-8997","affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075337854","display_name":"V\u00edctor M. Tenorio","orcid":"https://orcid.org/0000-0002-0079-7326"},"institutions":[{"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"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Victor M. Tenorio","raw_affiliation_strings":["Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain"],"raw_orcid":"https://orcid.org/0000-0002-0079-7326","affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054312245","display_name":"Antonio G. Marqu\u00e9s","orcid":"https://orcid.org/0000-0002-4642-7718"},"institutions":[{"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"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio G. Marqu\u00e9s","raw_affiliation_strings":["Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain"],"raw_orcid":"https://orcid.org/0000-0002-4642-7718","affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, King Juan Carlos University, Madrid, Spain","institution_ids":["https://openalex.org/I182083151"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I182083151"],"apc_list":null,"apc_paid":null,"fwci":2.0922,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.89341656,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"71","issue":null,"first_page":"3651","last_page":"3666"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9736999869346619,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9639999866485596,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5406507849693298},{"id":"https://openalex.org/keywords/graph-bandwidth","display_name":"Graph bandwidth","score":0.4888131320476532},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.48396065831184387},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4791930913925171},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.465389609336853},{"id":"https://openalex.org/keywords/topological-graph-theory","display_name":"Topological graph theory","score":0.46321943402290344},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.43340247869491577},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.42418092489242554},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.4179735779762268},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.37670689821243286},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3454150855541229},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32498854398727417},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.31978464126586914},{"id":"https://openalex.org/keywords/voltage-graph","display_name":"Voltage graph","score":0.20480063557624817},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18994244933128357},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.17807677388191223}],"concepts":[{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5406507849693298},{"id":"https://openalex.org/C134727501","wikidata":"https://www.wikidata.org/wiki/Q5597073","display_name":"Graph bandwidth","level":5,"score":0.4888131320476532},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.48396065831184387},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4791930913925171},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.465389609336853},{"id":"https://openalex.org/C157406716","wikidata":"https://www.wikidata.org/wiki/Q4115842","display_name":"Topological graph theory","level":5,"score":0.46321943402290344},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.43340247869491577},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.42418092489242554},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.4179735779762268},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.37670689821243286},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3454150855541229},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32498854398727417},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.31978464126586914},{"id":"https://openalex.org/C22149727","wikidata":"https://www.wikidata.org/wiki/Q7940747","display_name":"Voltage graph","level":4,"score":0.20480063557624817},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18994244933128357},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.17807677388191223},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2023.3300632","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2023.3300632","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"},{"id":"pmh:oai:eciencia.urjc.es:10115/32711","is_oa":true,"landing_page_url":"https://hdl.handle.net/10115/32711","pdf_url":null,"source":{"id":"https://openalex.org/S4377196484","display_name":"BURJC Digital (King Juan Carlos University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I182083151","host_organization_name":"Universidad Rey Juan Carlos","host_organization_lineage":["https://openalex.org/I182083151"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:eciencia.urjc.es:10115/32711","is_oa":true,"landing_page_url":"https://hdl.handle.net/10115/32711","pdf_url":null,"source":{"id":"https://openalex.org/S4377196484","display_name":"BURJC Digital (King Juan Carlos University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I182083151","host_organization_name":"Universidad Rey Juan Carlos","host_organization_lineage":["https://openalex.org/I182083151"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1463669301","display_name":null,"funder_award_id":"FPU20/05554","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3802065679","display_name":null,"funder_award_id":"PID2019- 105032GB-I00","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G4058572380","display_name":null,"funder_award_id":"FPU17-04520","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G800634236","display_name":null,"funder_award_id":"PID2022\u2010136887NB\u2010I00","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"}],"funders":[{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W68279593","https://openalex.org/W305292912","https://openalex.org/W1698699930","https://openalex.org/W1964590153","https://openalex.org/W1971421925","https://openalex.org/W1987125632","https://openalex.org/W1991252559","https://openalex.org/W2080063509","https://openalex.org/W2101491865","https://openalex.org/W2107861471","https://openalex.org/W2117885078","https://openalex.org/W2122825543","https://openalex.org/W2132555912","https://openalex.org/W2144080759","https://openalex.org/W2170766502","https://openalex.org/W2210084516","https://openalex.org/W2299462150","https://openalex.org/W2343770596","https://openalex.org/W2486096428","https://openalex.org/W2508393166","https://openalex.org/W2520179645","https://openalex.org/W2570065583","https://openalex.org/W2615556757","https://openalex.org/W2616297073","https://openalex.org/W2796431263","https://openalex.org/W2890305995","https://openalex.org/W2890784227","https://openalex.org/W2952364543","https://openalex.org/W2962759781","https://openalex.org/W2963728452","https://openalex.org/W2964012239","https://openalex.org/W2964050973","https://openalex.org/W3007134945","https://openalex.org/W3007598526","https://openalex.org/W3013169514","https://openalex.org/W3084183742","https://openalex.org/W3093639681","https://openalex.org/W3095462313","https://openalex.org/W3106158933","https://openalex.org/W3130869292","https://openalex.org/W3146562665","https://openalex.org/W3161873960","https://openalex.org/W3170829910","https://openalex.org/W3202293726","https://openalex.org/W3202748527","https://openalex.org/W3205078904","https://openalex.org/W3212653422","https://openalex.org/W3215025646","https://openalex.org/W4250589301","https://openalex.org/W4287766047","https://openalex.org/W4288412246","https://openalex.org/W4386529112","https://openalex.org/W6760609127","https://openalex.org/W6766750229","https://openalex.org/W6779094074","https://openalex.org/W6790929636","https://openalex.org/W6856528399"],"related_works":["https://openalex.org/W3151522584","https://openalex.org/W1497123311","https://openalex.org/W2387796150","https://openalex.org/W2963432281","https://openalex.org/W2938407536","https://openalex.org/W4387799683","https://openalex.org/W2774741750","https://openalex.org/W4385627440","https://openalex.org/W4200059746","https://openalex.org/W3081427218"],"abstract_inverted_index":{"When":[0],"facing":[1],"graph":[2,12,27,43,71,80,109,125],"signal":[3],"processing":[4],"tasks,":[5],"it":[6,74],"is":[7,19,126],"typically":[8],"assumed":[9],"that":[10,39,97,141,184],"the":[11,14,17,42,47,67,70,76,100,118,124,133,161,165,186,190,194,197,201],"describing":[13],"support":[15],"of":[16,49,69,78,116,123,160,193],"signals":[18],"known.":[20],"However,":[21],"in":[22,99],"many":[23],"relevant":[24],"applicationsthe":[25],"available":[26],"suffers":[28],"from":[29,84,88,144,200],"observational":[30],"errors":[31],"and":[32,45,72,103,108,147,177,196,209],"perturbations.":[33],"As":[34,111],"a":[35,60,93,112,129,154,168],"result,":[36,113],"any":[37],"method":[38],"relies":[40],"on":[41,66,114],"topology":[44],"ignores":[46],"presence":[48],"perturbations":[50,65,195],"may":[51],"yield":[52],"suboptimal":[53],"results.":[54],"Motivated":[55],"by":[56],"this,":[57],"we":[58,91,137],"propose":[59],"novel":[61],"approach":[62,203],"for":[63],"handling":[64],"links":[68],"apply":[73],"to":[75,153,167],"problem":[77,96],"robust":[79,169,202],"filter":[81],"(GF)":[82],"identification":[83,107],"input-output":[85],"observations.":[86],"Different":[87],"existing":[89],"works,":[90],"formulate":[92],"non-convex":[94],"optimization":[95,146],"operates":[98],"vertex":[101],"domain":[102],"jointly":[104,175],"performs":[105],"GF":[106],"denoising.":[110],"top":[115],"learning":[117],"desired":[119],"GF,":[120],"an":[121,139,180],"estimate":[122],"obtained":[127],"as":[128],"byproduct.":[130],"To":[131],"handle":[132],"resulting":[134,199],"bi-convex":[135],"problem,":[136],"design":[138,166],"algorithm":[140],"blends":[142],"techniques":[143],"alternating":[145],"majorization":[148],"minimization,":[149],"showing":[150],"its":[151],"convergence":[152],"stationary":[155],"point.":[156],"The":[157],"second":[158],"part":[159],"paper":[162],"i)":[163],"generalizes":[164],"setup":[170],"where":[171],"several":[172],"GFs":[173],"are":[174,204],"estimated,":[176],"ii)":[178],"introduces":[179],"alternative":[181],"algorithmic":[182],"implementation":[183],"reduces":[185],"computational":[187],"complexity.":[188],"Finally,":[189],"detrimental":[191],"influence":[192],"benefits":[198],"numerically":[205],"analyzed":[206],"over":[207],"synthetic":[208],"real-world":[210],"datasets,":[211],"comparing":[212],"them":[213],"with":[214],"other":[215],"state-of-the-art":[216],"alternatives.":[217]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2023-08-08T00:00:00"}