{"id":"https://openalex.org/W4408353514","doi":"https://doi.org/10.1109/icassp49660.2025.10887776","title":"Covariance Change Point Detection for Graph Signals","display_name":"Covariance Change Point Detection for Graph Signals","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408353514","doi":"https://doi.org/10.1109/icassp49660.2025.10887776"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10887776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10887776","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-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/A5116594436","display_name":"Even Matencio","orcid":null},"institutions":[{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"funder","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I4403386768","display_name":"Centre Giovanni Borelli","ror":"https://ror.org/02hcn4061","country_code":null,"type":"facility","lineage":["https://openalex.org/I11559806","https://openalex.org/I1294671590","https://openalex.org/I204730241","https://openalex.org/I277688954","https://openalex.org/I4210129973","https://openalex.org/I4210136310","https://openalex.org/I4403386768"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I277688954","display_name":"Universit\u00e9 Paris-Saclay","ror":"https://ror.org/03xjwb503","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Even Matencio","raw_affiliation_strings":["Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190","institution_ids":["https://openalex.org/I154526488","https://openalex.org/I277688954","https://openalex.org/I4403386768","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059452067","display_name":"Charles Truong","orcid":"https://orcid.org/0000-0002-8527-8161"},"institutions":[{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"funder","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4403386768","display_name":"Centre Giovanni Borelli","ror":"https://ror.org/02hcn4061","country_code":null,"type":"facility","lineage":["https://openalex.org/I11559806","https://openalex.org/I1294671590","https://openalex.org/I204730241","https://openalex.org/I277688954","https://openalex.org/I4210129973","https://openalex.org/I4210136310","https://openalex.org/I4403386768"]},{"id":"https://openalex.org/I277688954","display_name":"Universit\u00e9 Paris-Saclay","ror":"https://ror.org/03xjwb503","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Charles Truong","raw_affiliation_strings":["Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190","institution_ids":["https://openalex.org/I154526488","https://openalex.org/I277688954","https://openalex.org/I4403386768","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090929380","display_name":"Laurent Oudre","orcid":"https://orcid.org/0000-0002-4750-2265"},"institutions":[{"id":"https://openalex.org/I277688954","display_name":"Universit\u00e9 Paris-Saclay","ror":"https://ror.org/03xjwb503","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954"]},{"id":"https://openalex.org/I154526488","display_name":"Inserm","ror":"https://ror.org/02vjkv261","country_code":"FR","type":"funder","lineage":["https://openalex.org/I154526488"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4403386768","display_name":"Centre Giovanni Borelli","ror":"https://ror.org/02hcn4061","country_code":null,"type":"facility","lineage":["https://openalex.org/I11559806","https://openalex.org/I1294671590","https://openalex.org/I204730241","https://openalex.org/I277688954","https://openalex.org/I4210129973","https://openalex.org/I4210136310","https://openalex.org/I4403386768"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Laurent Oudre","raw_affiliation_strings":["Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Université Paris Saclay, Université Paris Cité,ENS Paris Saclay, CNRS, SSA, INSERM, Centre Borelli,France,F-91190","institution_ids":["https://openalex.org/I154526488","https://openalex.org/I277688954","https://openalex.org/I4403386768","https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5116594436"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I277688954","https://openalex.org/I4403386768"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.01757513,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.916100025177002,"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":0.916100025177002,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.7031194567680359},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5853946805000305},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4808438718318939},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.23722615838050842},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2345547378063202},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.18927016854286194}],"concepts":[{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.7031194567680359},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5853946805000305},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4808438718318939},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.23722615838050842},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2345547378063202},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18927016854286194}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp49660.2025.10887776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10887776","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-05482392v1","is_oa":false,"landing_page_url":"https://hal.science/hal-05482392","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2025), Apr 2025, Hyderabad, India. ⟨10.1109/icassp49660.2025.10887776⟩","raw_type":"Conference papers"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W216325278","https://openalex.org/W356566955","https://openalex.org/W1991484728","https://openalex.org/W2001992115","https://openalex.org/W2094644779","https://openalex.org/W2096851008","https://openalex.org/W2098277968","https://openalex.org/W2101491865","https://openalex.org/W2132555912","https://openalex.org/W2151669316","https://openalex.org/W2158591439","https://openalex.org/W2235146554","https://openalex.org/W2299462150","https://openalex.org/W2530826758","https://openalex.org/W2909693411","https://openalex.org/W3041036243","https://openalex.org/W3110221193","https://openalex.org/W4210323210","https://openalex.org/W6872850522"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"We":[0,63],"propose":[1],"a":[2,26,38],"new":[3],"approach":[4],"for":[5],"covariance":[6,31],"change":[7],"point":[8],"detection":[9,52],"applied":[10],"to":[11,24,47,60],"graph":[12,22,45],"signals.":[13],"Specifically,":[14],"our":[15],"method":[16,68],"draws":[17],"on":[18,72],"the":[19,30,51,56,79],"notion":[20],"of":[21,29,58,81],"stationarity":[23],"derive":[25],"relevant":[27,70],"parameterization":[28,42],"matrix":[32],"that":[33],"can":[34],"be":[35,48,61],"used":[36],"in":[37,100],"cost":[39],"function.":[40],"This":[41],"allows":[43],"prior":[44],"knowledge":[46],"incorporated":[49],"into":[50],"process":[53],"and":[54,74,77,97],"reduces":[55],"number":[57],"coefficients":[59],"estimated.":[62],"have":[64],"experimentally":[65],"validated":[66],"this":[67],"against":[69,93],"baselines,":[71],"synthetic":[73],"real":[75],"data,":[76],"showed":[78],"influence":[80],"several":[82],"parameters.":[83],"These":[84],"experiments":[85],"demonstrated":[86],"very":[87],"low":[88],"computational":[89],"complexity,":[90],"improved":[91],"robustness":[92],"certain":[94],"adverse":[95],"effects":[96],"competitive":[98],"performance":[99],"more":[101],"general":[102],"contexts.":[103]},"counts_by_year":[],"updated_date":"2026-05-07T13:39:58.223016","created_date":"2025-10-10T00:00:00"}