{"id":"https://openalex.org/W4205106410","doi":"https://doi.org/10.23919/cinc53138.2021.9662729","title":"Segmentation of Atrial Electrical Activity in Intracardiac Electrograms (IECGs) Using Convolutional Neural Network (CNN) Trained on Small Imbalanced Dataset","display_name":"Segmentation of Atrial Electrical Activity in Intracardiac Electrograms (IECGs) Using Convolutional Neural Network (CNN) Trained on Small Imbalanced Dataset","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W4205106410","doi":"https://doi.org/10.23919/cinc53138.2021.9662729"},"language":"en","primary_location":{"id":"doi:10.23919/cinc53138.2021.9662729","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cinc53138.2021.9662729","pdf_url":null,"source":{"id":"https://openalex.org/S4363605378","display_name":"2021 Computing in Cardiology (CinC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Computing in Cardiology (CinC)","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/A5086403491","display_name":"Jakub Hej\u010d","orcid":"https://orcid.org/0000-0001-5743-9960"},"institutions":[{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]},{"id":"https://openalex.org/I4210102302","display_name":"University Hospital Brno","ror":"https://ror.org/00qq1fp34","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210102302"]},{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Jakub Hejc","raw_affiliation_strings":["Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","Department of Pediatric, Children's Hospital, University Hospital Brno, Brno, Czech Republic","ICRC, St. Anne's University Hospital, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"Department of Pediatric, Children's Hospital, University Hospital Brno, Brno, Czech Republic","institution_ids":["https://openalex.org/I4210102302"]},{"raw_affiliation_string":"ICRC, St. Anne's University Hospital, Brno, Czech Republic","institution_ids":["https://openalex.org/I4210136987","https://openalex.org/I4210102302"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031093718","display_name":"David Posp\u00ed\u0161il","orcid":"https://orcid.org/0000-0002-6173-5225"},"institutions":[{"id":"https://openalex.org/I4210102302","display_name":"University Hospital Brno","ror":"https://ror.org/00qq1fp34","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210102302"]},{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"David Pospisil","raw_affiliation_strings":["Department of Internal Medicine and Cardiology, Faculty of Medicine of Masaryk University, University Hospital Brno, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine and Cardiology, Faculty of Medicine of Masaryk University, University Hospital Brno, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210102302"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010995554","display_name":"Petra Novotn\u00e1","orcid":"https://orcid.org/0000-0003-0018-1975"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Petra Novotna","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037532757","display_name":"Martin Pe\u0161l","orcid":"https://orcid.org/0000-0001-8704-1005"},"institutions":[{"id":"https://openalex.org/I4210102302","display_name":"University Hospital Brno","ror":"https://ror.org/00qq1fp34","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210102302"]},{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]},{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Martin Pesl","raw_affiliation_strings":["1st Department of Internal Medicine, Cardio-Angiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","ICRC, St. Anne's University Hospital, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"1st Department of Internal Medicine, Cardio-Angiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"ICRC, St. Anne's University Hospital, Brno, Czech Republic","institution_ids":["https://openalex.org/I4210136987","https://openalex.org/I4210102302"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010031064","display_name":"Oto Janou\u0161ek","orcid":null},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Oto Janousek","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088478548","display_name":"Marina Ronzhina","orcid":null},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Marina Ronzhina","raw_affiliation_strings":["Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062193364","display_name":"Zden\u011bk St\u00e1rek","orcid":"https://orcid.org/0000-0002-9510-1386"},"institutions":[{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]},{"id":"https://openalex.org/I4210102302","display_name":"University Hospital Brno","ror":"https://ror.org/00qq1fp34","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210102302"]},{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Zdenek Starek","raw_affiliation_strings":["1st Department of Internal Medicine, Cardio-Angiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","ICRC, St. Anne's University Hospital, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"1st Department of Internal Medicine, Cardio-Angiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]},{"raw_affiliation_string":"ICRC, St. Anne's University Hospital, Brno, Czech Republic","institution_ids":["https://openalex.org/I4210136987","https://openalex.org/I4210102302"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5086403491"],"corresponding_institution_ids":["https://openalex.org/I21449261","https://openalex.org/I4210102302","https://openalex.org/I4210136987"],"apc_list":null,"apc_paid":null,"fwci":0.3451,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.43362832,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9995999932289124,"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/T11021","display_name":"ECG Monitoring and Analysis","score":0.9995999932289124,"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":0.9976000189781189,"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":0.9968000054359436,"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/segmentation","display_name":"Segmentation","score":0.706531822681427},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6556278467178345},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6407820582389832},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5916073322296143},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.5887316465377808},{"id":"https://openalex.org/keywords/intracardiac-injection","display_name":"Intracardiac injection","score":0.5732699632644653},{"id":"https://openalex.org/keywords/beat","display_name":"Beat (acoustics)","score":0.4477144777774811},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44524097442626953},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.24818933010101318},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.15046480298042297}],"concepts":[{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.706531822681427},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6556278467178345},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6407820582389832},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5916073322296143},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.5887316465377808},{"id":"https://openalex.org/C80093799","wikidata":"https://www.wikidata.org/wiki/Q366155","display_name":"Intracardiac injection","level":2,"score":0.5732699632644653},{"id":"https://openalex.org/C189809214","wikidata":"https://www.wikidata.org/wiki/Q829522","display_name":"Beat (acoustics)","level":2,"score":0.4477144777774811},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44524097442626953},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.24818933010101318},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.15046480298042297},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/cinc53138.2021.9662729","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cinc53138.2021.9662729","pdf_url":null,"source":{"id":"https://openalex.org/S4363605378","display_name":"2021 Computing in Cardiology (CinC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Computing in Cardiology (CinC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G16527074","display_name":null,"funder_award_id":"FNBr, 65269705,SV/MUNI/A/1437/2020","funder_id":"https://openalex.org/F4320321798","funder_display_name":"Ministerstvo Zdravotnictv\u00ed Cesk\u00e9 Republiky"}],"funders":[{"id":"https://openalex.org/F4320321798","display_name":"Ministerstvo Zdravotnictv\u00ed Cesk\u00e9 Republiky","ror":"https://ror.org/00y6khe77"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W54887220","https://openalex.org/W1677182931","https://openalex.org/W2033859460","https://openalex.org/W2102363854","https://openalex.org/W2302255633","https://openalex.org/W2412782625","https://openalex.org/W2734349601","https://openalex.org/W2908510526","https://openalex.org/W2964098128","https://openalex.org/W4238100585","https://openalex.org/W6757817989"],"related_works":["https://openalex.org/W2400564179","https://openalex.org/W4206905980","https://openalex.org/W2350915185","https://openalex.org/W1964632492","https://openalex.org/W4226493464","https://openalex.org/W4312417841","https://openalex.org/W3133861977","https://openalex.org/W2951211570","https://openalex.org/W3103566983","https://openalex.org/W3029198973"],"abstract_inverted_index":{"Timing":[0],"pattern":[1],"of":[2,24,32,62,82,127,151],"intracardiac":[3,67],"atrial":[4,36,83,111],"activity":[5,37,84],"recorded":[6,115],"by":[7,42,50,116],"multipolar":[8],"catheter":[9,119],"in":[10,85,120],"the":[11,19,30,33,35,155],"coronary":[12],"sinus":[13],"(CS)":[14],"provides":[15],"insightful":[16],"information":[17],"about":[18],"type":[20],"and":[21,66,70,72,112,137,145],"approximate":[22],"origin":[23],"common":[25],"non-complex":[26],"arrhythmias.":[27],"Depending":[28],"on":[29,92,129,154],"anatomy":[31],"CS,":[34],"can":[38],"be":[39],"substantially":[40],"disturbed":[41],"ventricular":[43,113],"far":[44],"field":[45],"complex":[46],"preventing":[47],"accurate":[48],"segmentation":[49,81],"convential":[51],"methods.":[52],"In":[53],"this":[54],"paper,":[55],"we":[56,140],"present":[57],"small":[58],"clinically":[59],"validated":[60],"database":[61],"326":[63],"surface":[64],"12-lead":[65],"electrograms":[68],"(ECG":[69],"IEGs)":[71],"a":[73,93,134],"simple":[74],"deep":[75],"learning":[76,146],"framework":[77],"for":[78],"semantic":[79],"beat-to-beat":[80],"CS":[86,118],"recordings.":[87],"The":[88],"model":[89,156],"is":[90,105],"based":[91],"residual":[94],"convolutional":[95],"neural":[96],"network":[97],"(CNN)":[98],"combined":[99],"with":[100,148],"pyramidal":[101],"upsampling":[102],"decoder.":[103],"It":[104],"capable":[106],"to":[107],"recognize":[108],"well":[109],"between":[110],"signals":[114],"decapolar":[117],"multiple":[121],"arrhythmic":[122],"scenarios":[123],"reaching":[124],"dice":[125],"score":[126],"0.875":[128],"evaluation":[130,150],"dataset.":[131],"To":[132],"address":[133],"dataset":[135],"size":[136],"imbalance":[138],"issues,":[139],"have":[141],"adopted":[142],"several":[143],"preprocessing":[144],"techniques":[147],"adequate":[149],"its":[152],"impact":[153],"performance.":[157]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}