{"id":"https://openalex.org/W3083001963","doi":"https://doi.org/10.1109/tbme.2020.3021480","title":"Unsupervised Classification of Atrial Electrograms for Electroanatomic Mapping of Human Persistent Atrial Fibrillation","display_name":"Unsupervised Classification of Atrial Electrograms for Electroanatomic Mapping of Human Persistent Atrial Fibrillation","publication_year":2020,"publication_date":"2020-09-03","ids":{"openalex":"https://openalex.org/W3083001963","doi":"https://doi.org/10.1109/tbme.2020.3021480","mag":"3083001963","pmid":"https://pubmed.ncbi.nlm.nih.gov/32881680"},"language":"en","primary_location":{"id":"doi:10.1109/tbme.2020.3021480","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tbme.2020.3021480","pdf_url":"https://ieeexplore.ieee.org/ielx7/10/9381734/09186302.pdf","source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/10/9381734/09186302.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077161386","display_name":"Tiago P. Almeida","orcid":"https://orcid.org/0000-0001-5346-6937"},"institutions":[{"id":"https://openalex.org/I107428990","display_name":"Instituto Tecnol\u00f3gico de Aeron\u00e1utica","ror":"https://ror.org/05vh67662","country_code":"BR","type":"education","lineage":["https://openalex.org/I107428990"]},{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I4210123805","display_name":"Instituto de Aeron\u00e1utica e Espa\u00e7o","ror":"https://ror.org/025n1fp68","country_code":"BR","type":"other","lineage":["https://openalex.org/I4210123805"]}],"countries":["BR","GB"],"is_corresponding":false,"raw_author_name":"Tiago P. Almeida","raw_affiliation_strings":["Aeronautics Institute of Technology, S\u00e3o Jos\u00e9 dos Campos, S\u00e3o Paulo, Brazil","Department of Cardiovascular Sciences, University of Leicester, Leicester, U.K","School of Engineering, University of Leicester, Leicester, U.K"],"raw_orcid":"https://orcid.org/0000-0001-5346-6937","affiliations":[{"raw_affiliation_string":"Aeronautics Institute of Technology, S\u00e3o Jos\u00e9 dos Campos, S\u00e3o Paulo, Brazil","institution_ids":["https://openalex.org/I107428990","https://openalex.org/I4210123805"]},{"raw_affiliation_string":"Department of Cardiovascular Sciences, University of Leicester, Leicester, U.K","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, U.K","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034087246","display_name":"Diogo C. Soriano","orcid":"https://orcid.org/0000-0002-9804-7477"},"institutions":[{"id":"https://openalex.org/I71715416","display_name":"Universidade Federal do ABC","ror":"https://ror.org/028kg9j04","country_code":"BR","type":"education","lineage":["https://openalex.org/I71715416"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Diogo C. Soriano","raw_affiliation_strings":["Federal University of ABC"],"raw_orcid":"https://orcid.org/0000-0002-9804-7477","affiliations":[{"raw_affiliation_string":"Federal University of ABC","institution_ids":["https://openalex.org/I71715416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016101460","display_name":"Michela Mas\u00e8","orcid":"https://orcid.org/0000-0001-9588-677X"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]},{"id":"https://openalex.org/I2277624104","display_name":"Fondazione Bruno Kessler","ror":"https://ror.org/01j33xk10","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2277624104"]},{"id":"https://openalex.org/I250153783","display_name":"Kessler Foundation","ror":"https://ror.org/05hacyq28","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I250153783"]},{"id":"https://openalex.org/I4210094951","display_name":"Institute of Mountain Emergency Medicine","ror":"https://ror.org/00n9p1n72","country_code":"IT","type":"facility","lineage":["https://openalex.org/I1319360392","https://openalex.org/I4210094951"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"Michela Mase","raw_affiliation_strings":["IRCS-HTA, Healthcare Research and Innovation Program, Bruno Kessler Foundation.FBK","Institute of Mountain Emergency Medicine, Eurac Research","Universit\u00e0 degli Studi di Trento"],"raw_orcid":"https://orcid.org/0000-0001-9588-677X","affiliations":[{"raw_affiliation_string":"IRCS-HTA, Healthcare Research and Innovation Program, Bruno Kessler Foundation.FBK","institution_ids":["https://openalex.org/I2277624104","https://openalex.org/I250153783"]},{"raw_affiliation_string":"Institute of Mountain Emergency Medicine, Eurac Research","institution_ids":["https://openalex.org/I4210094951"]},{"raw_affiliation_string":"Universit\u00e0 degli Studi di Trento","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009372060","display_name":"Flavia Ravelli","orcid":"https://orcid.org/0000-0002-6819-3668"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Flavia Ravelli","raw_affiliation_strings":["Universit\u00e0 degli Studi di Trento"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e0 degli Studi di Trento","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023525928","display_name":"Arthur Santos Bezerra","orcid":"https://orcid.org/0000-0001-7622-1668"},"institutions":[{"id":"https://openalex.org/I107428990","display_name":"Instituto Tecnol\u00f3gico de Aeron\u00e1utica","ror":"https://ror.org/05vh67662","country_code":"BR","type":"education","lineage":["https://openalex.org/I107428990"]},{"id":"https://openalex.org/I13805885","display_name":"Vaughn College of Aeronautics and Technology","ror":"https://ror.org/056e22e24","country_code":"US","type":"education","lineage":["https://openalex.org/I13805885"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"Arthur S. Bezerra","raw_affiliation_strings":["Aeronautics Institute of Technology"],"raw_orcid":"https://orcid.org/0000-0001-7622-1668","affiliations":[{"raw_affiliation_string":"Aeronautics Institute of Technology","institution_ids":["https://openalex.org/I107428990","https://openalex.org/I13805885"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100353862","display_name":"Xin Li","orcid":"https://orcid.org/0000-0002-4018-6220"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["Department of Cardiovascular Sciences, University of Leicester","School of Engineering, University of Leicester"],"raw_orcid":"https://orcid.org/0000-0002-4018-6220","affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, University of Leicester","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"School of Engineering, University of Leicester","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035249904","display_name":"Gavin S. Chu","orcid":"https://orcid.org/0000-0002-5952-8374"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I2802445252","display_name":"University Hospitals of Leicester NHS Trust","ror":"https://ror.org/02fha3693","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802445252"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Gavin S. Chu","raw_affiliation_strings":["Department of Cardiovascular Sciences, University of Leicester","University Hospitals of Leicester NHS Trust"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, University of Leicester","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"University Hospitals of Leicester NHS Trust","institution_ids":["https://openalex.org/I2802445252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030392815","display_name":"Jo\u00e3o Salinet","orcid":"https://orcid.org/0000-0003-2906-9397"},"institutions":[{"id":"https://openalex.org/I71715416","display_name":"Universidade Federal do ABC","ror":"https://ror.org/028kg9j04","country_code":"BR","type":"education","lineage":["https://openalex.org/I71715416"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Joao Salinet","raw_affiliation_strings":["Federal University of ABC"],"raw_orcid":"https://orcid.org/0000-0003-2906-9397","affiliations":[{"raw_affiliation_string":"Federal University of ABC","institution_ids":["https://openalex.org/I71715416"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009101023","display_name":"Peter J. Stafford","orcid":"https://orcid.org/0000-0003-0988-8934"},"institutions":[{"id":"https://openalex.org/I2802445252","display_name":"University Hospitals of Leicester NHS Trust","ror":"https://ror.org/02fha3693","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802445252"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Peter J. Stafford","raw_affiliation_strings":["University Hospitals of Leicester NHS Trust, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University Hospitals of Leicester NHS Trust, U.K","institution_ids":["https://openalex.org/I2802445252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015240983","display_name":"G. Andr\u00e9 Ng","orcid":"https://orcid.org/0000-0001-5965-0671"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I2802445252","display_name":"University Hospitals of Leicester NHS Trust","ror":"https://ror.org/02fha3693","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"G. Andre Ng","raw_affiliation_strings":["Department of Cardiovascular Sciences, University of Leicester, U.K","National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital","University Hospitals of Leicester NHS Trust"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, University of Leicester, U.K","institution_ids":["https://openalex.org/I153648349"]},{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital","institution_ids":["https://openalex.org/I2802040150","https://openalex.org/I34931013"]},{"raw_affiliation_string":"University Hospitals of Leicester NHS Trust","institution_ids":["https://openalex.org/I2802445252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022030639","display_name":"Fernando S. Schlindwein","orcid":"https://orcid.org/0000-0001-5981-7726"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Fernando S. Schlindwein","raw_affiliation_strings":["National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital","School of Engineering, University of Leicester"],"raw_orcid":"https://orcid.org/0000-0001-5981-7726","affiliations":[{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital","institution_ids":["https://openalex.org/I2802040150","https://openalex.org/I34931013"]},{"raw_affiliation_string":"School of Engineering, University of Leicester","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007059703","display_name":"Takashi Yoneyama","orcid":"https://orcid.org/0000-0001-5375-1076"},"institutions":[{"id":"https://openalex.org/I107428990","display_name":"Instituto Tecnol\u00f3gico de Aeron\u00e1utica","ror":"https://ror.org/05vh67662","country_code":"BR","type":"education","lineage":["https://openalex.org/I107428990"]},{"id":"https://openalex.org/I13805885","display_name":"Vaughn College of Aeronautics and Technology","ror":"https://ror.org/056e22e24","country_code":"US","type":"education","lineage":["https://openalex.org/I13805885"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"Takashi Yoneyama","raw_affiliation_strings":["Aeronautics Institute of Technology"],"raw_orcid":"https://orcid.org/0000-0001-5375-1076","affiliations":[{"raw_affiliation_string":"Aeronautics Institute of Technology","institution_ids":["https://openalex.org/I107428990","https://openalex.org/I13805885"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":12,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8262,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.75645639,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"68","issue":"4","first_page":"1131","last_page":"1141"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10065","display_name":"Atrial Fibrillation Management and Outcomes","score":0.9419999718666077,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10065","display_name":"Atrial Fibrillation Management and Outcomes","score":0.9419999718666077,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11217","display_name":"Cardiac Arrhythmias and Treatments","score":0.025100000202655792,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.015300000086426735,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"Atrial fibrillation","score":0.8489797115325928},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.7110687494277954},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.7052981853485107},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.6725488901138306}],"concepts":[{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.8489797115325928},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7110687494277954},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.7052981853485107},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6725488901138306}],"mesh":[{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D006325","descriptor_name":"Heart Atria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006325","descriptor_name":"Heart Atria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006325","descriptor_name":"Heart Atria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006325","descriptor_name":"Heart Atria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012008","descriptor_name":"Recurrence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012008","descriptor_name":"Recurrence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012008","descriptor_name":"Recurrence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012008","descriptor_name":"Recurrence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017115","descriptor_name":"Catheter Ablation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017115","descriptor_name":"Catheter Ablation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017115","descriptor_name":"Catheter Ablation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017115","descriptor_name":"Catheter Ablation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054849","descriptor_name":"Cardiac Electrophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054849","descriptor_name":"Cardiac Electrophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054849","descriptor_name":"Cardiac Electrophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054849","descriptor_name":"Cardiac Electrophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.1109/tbme.2020.3021480","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tbme.2020.3021480","pdf_url":"https://ieeexplore.ieee.org/ielx7/10/9381734/09186302.pdf","source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:32881680","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32881680","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 bio-medical engineering","raw_type":null},{"id":"pmh:oai:alma.39UBZ_INST:11251617850001241","is_oa":true,"landing_page_url":"http://doi.org/10.1109/tbme.2020.3021480","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:figshare.com:article/12928643","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Unsupervised_Classification_of_Atrial_Electrograms_for_Electroanatomic_Mapping_of_Human_Persistent_Atrial_Fibrillation/12928643","pdf_url":null,"source":{"id":"https://openalex.org/S4306402621","display_name":"INDIGO (University of Illinois at Chicago)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39422238","host_organization_name":"University of Illinois Chicago","host_organization_lineage":["https://openalex.org/I39422238"],"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":"","raw_type":"Text"},{"id":"pmh:oai:iris.unitn.it:11572/300320","is_oa":true,"landing_page_url":"https://ieeexplore.ieee.org/document/9186302/authors#authors","pdf_url":null,"source":{"id":"https://openalex.org/S4377196320","display_name":"Iris (University of Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"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":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:unibz.it:11251617850001241","is_oa":true,"landing_page_url":"https://bia.unibz.it/esploro/outputs/journalArticle/Unsupervised-Classification-of-Atrial-Electrograms-for/991005902137401241","pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"View","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1109/tbme.2020.3021480","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tbme.2020.3021480","pdf_url":"https://ieeexplore.ieee.org/ielx7/10/9381734/09186302.pdf","source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2402296032","display_name":null,"funder_award_id":"305616/2016-1","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G2577413134","display_name":null,"funder_award_id":"2015/12799-9","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G295657101","display_name":null,"funder_award_id":"2019/","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G4402799499","display_name":null,"funder_award_id":"2015/","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G4729713177","display_name":"Development of a successful novel technology for sudden cardiac death risk stratification for clinical use - LifeMap","funder_award_id":"MR/S037306/1","funder_id":"https://openalex.org/F4320334626","funder_display_name":"Medical Research Council"},{"id":"https://openalex.org/G5215966063","display_name":null,"funder_award_id":"2017/00319-8","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G5681576035","display_name":null,"funder_award_id":"2019/05192-1","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G5755952835","display_name":null,"funder_award_id":"2018/02251-4","funder_id":"https://openalex.org/F4320320997","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo"},{"id":"https://openalex.org/G5928680728","display_name":"Improving target identification for catheter ablation using dominant frequency and rotor analysis in human persistent atrial fibrillation, using non-contact mapping","funder_award_id":"PG/18/33/33780","funder_id":"https://openalex.org/F4320319992","funder_display_name":"British Heart Foundation"},{"id":"https://openalex.org/G6005678962","display_name":null,"funder_award_id":"MR/S037306/1","funder_id":"https://openalex.org/F4320319992","funder_display_name":"British Heart Foundation"},{"id":"https://openalex.org/G6494470383","display_name":null,"funder_award_id":"2016.0273","funder_id":"https://openalex.org/F4320325935","funder_display_name":"Fondazione Cassa Di Risparmio Di Trento E Rovereto"},{"id":"https://openalex.org/G693635464","display_name":null,"funder_award_id":"449467/2014-7","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G7164100941","display_name":null,"funder_award_id":"MC_PC_17194","funder_id":"https://openalex.org/F4320334626","funder_display_name":"Medical Research Council"},{"id":"https://openalex.org/G8332776348","display_name":null,"funder_award_id":"MR/S037306/1","funder_id":"https://openalex.org/F4320334626","funder_display_name":"Medical Research Council"},{"id":"https://openalex.org/G854066926","display_name":null,"funder_award_id":"200598/2009-0","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"}],"funders":[{"id":"https://openalex.org/F4320311048","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479"},{"id":"https://openalex.org/F4320319990","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08"},{"id":"https://openalex.org/F4320319992","display_name":"British Heart Foundation","ror":"https://ror.org/02wdwnk04"},{"id":"https://openalex.org/F4320320276","display_name":"University of Leicester","ror":"https://ror.org/04h699437"},{"id":"https://openalex.org/F4320320997","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","ror":"https://ror.org/02ddkpn78"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320325935","display_name":"Fondazione Cassa Di Risparmio Di Trento E Rovereto","ror":"https://ror.org/02pgnjz11"},{"id":"https://openalex.org/F4320334626","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517"},{"id":"https://openalex.org/F4320336903","display_name":"NIHR Leicester Biomedical Research Centre","ror":"https://ror.org/05xqxa525"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3083001963.pdf","grobid_xml":"https://content.openalex.org/works/W3083001963.grobid-xml"},"referenced_works_count":53,"referenced_works":["https://openalex.org/W25713472","https://openalex.org/W1583406651","https://openalex.org/W1601795611","https://openalex.org/W1663973292","https://openalex.org/W1970572164","https://openalex.org/W1972209336","https://openalex.org/W1987971958","https://openalex.org/W1995420811","https://openalex.org/W1996881001","https://openalex.org/W2006061627","https://openalex.org/W2010013009","https://openalex.org/W2023844858","https://openalex.org/W2033416751","https://openalex.org/W2034907671","https://openalex.org/W2036816448","https://openalex.org/W2037795360","https://openalex.org/W2052782003","https://openalex.org/W2071949631","https://openalex.org/W2076099046","https://openalex.org/W2080377569","https://openalex.org/W2081681829","https://openalex.org/W2084767174","https://openalex.org/W2119174768","https://openalex.org/W2127218421","https://openalex.org/W2128576699","https://openalex.org/W2129234733","https://openalex.org/W2151205988","https://openalex.org/W2190861800","https://openalex.org/W2227426205","https://openalex.org/W2278854096","https://openalex.org/W2313203550","https://openalex.org/W2327430646","https://openalex.org/W2335952704","https://openalex.org/W2343116864","https://openalex.org/W2612100421","https://openalex.org/W2725991378","https://openalex.org/W2741239747","https://openalex.org/W2796352477","https://openalex.org/W2851436213","https://openalex.org/W2896792008","https://openalex.org/W2906203029","https://openalex.org/W2911715397","https://openalex.org/W2912603250","https://openalex.org/W2916336204","https://openalex.org/W2946642141","https://openalex.org/W3013779282","https://openalex.org/W3039248878","https://openalex.org/W3039615469","https://openalex.org/W3143785501","https://openalex.org/W3166835481","https://openalex.org/W6678914141","https://openalex.org/W6763516065","https://openalex.org/W7015948298"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2935909890","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W2748952813","https://openalex.org/W1531601525"],"abstract_inverted_index":{"OBJECTIVE:":[0],"Ablation":[1],"treatment":[2],"for":[3,18,210],"persistent":[4],"atrial":[5,19,40],"fibrillation":[6],"(persAF)":[7],"remains":[8],"challenging":[9],"due":[10],"to":[11,36,73,81,144],"the":[12,23,29,91,149,207,221,226],"absence":[13],"of":[14,25,39,90,138,198,235],"a":[15,75,231],"'ground":[16],"truth'":[17],"substrate":[20,237],"characterization":[21,234],"and":[22,69,78,119,163,165,181,183,192,205],"presence":[24,137],"multiple":[26],"mechanisms":[27],"driving":[28],"arrhythmia.":[30],"We":[31],"implemented":[32],"an":[33,83],"unsupervised":[34,84],"classification":[35,85],"identify":[37],"clusters":[38],"electrograms":[41],"(AEGs)":[42],"with":[43,86,127,158,174],"similar":[44],"patterns,":[45],"which":[46,228],"were":[47,57,71,94,130],"then":[48],"validated":[49],"by":[50,148,225],"AEG-derived":[51,98],"markers.":[52,151],"METHODS:":[53],"956":[54],"bipolar":[55],"AEGs":[56,157,173],"collected":[58],"from":[59,141],"11":[60],"persAF":[61,236],"patients.":[62],"CARTO":[63],"variables":[64],"(Biosense":[65],"Webster;":[66],"ICL,":[67],"ACI":[68],"SCI)":[70],"used":[72,80,209],"create":[74],"3D":[76],"space,":[77],"subsequently":[79],"perform":[82],"k-means.":[87],"The":[88,136,214],"characteristics":[89,129],"identified":[92,131],"groups":[93],"investigated":[95],"using":[96],"nine":[97,150,215],"markers:":[99],"sample":[100],"entropy":[101],"(SampEn),":[102],"dominant":[103],"frequency,":[104],"organization":[105],"index":[106],"(OI),":[107],"determinism,":[108,161,179],"laminarity,":[109,162,180],"recurrence":[110],"rate":[111],"(RR),":[112],"peak-to-peak":[113],"(PP)":[114],"amplitude,":[115],"cycle":[116],"length":[117],"(CL),":[118],"wave":[120],"similarity":[121],"(WS).":[122],"RESULTS:":[123],"Five":[124],"AEG":[125,199,212],"classes":[126,223],"distinct":[128],"(F":[132],"=":[133],"582,":[134],"P<0.0001).":[135],"fractionation":[139],"increased":[140],"class":[142],"1":[143,153],"5,":[145],"as":[146],"reflected":[147],"Class":[152,168],"(25%)":[154],"included":[155],"organized":[156],"high":[159,185],"WS,":[160,177],"RR,":[164,182],"low":[166,176],"SampEn.":[167,186],"5":[169],"(20%)":[170],"comprised":[171],"fractionated":[172],"in":[175,184,242],"OI,":[178],"Classes":[187],"2":[188],"(12%),":[189],"3":[190],"(13%)":[191],"4":[193],"(30%)":[194],"suggested":[195],"different":[196],"degrees":[197],"organization.":[200],"CONCLUSIONS:":[201],"Our":[202],"results":[203],"expand":[204],"reinterpret":[206],"criteria":[208],"automated":[211],"classification.":[213],"markers":[216],"highlighted":[217],"electrophysiological":[218],"differences":[219],"among":[220],"five":[222],"found":[224],"k-means,":[227],"could":[229],"provide":[230],"more":[232],"complete":[233],"during":[238],"ablation":[239],"target":[240],"identification":[241],"future":[243],"clinical":[244],"studies.":[245]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":3}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}