{"id":"https://openalex.org/W2919020707","doi":"https://doi.org/10.1109/acssc.2018.8645143","title":"A Least Squares Approach to Estimation of Far-field Voltage in Unipolar Electrograms in Atrial Fibrillation","display_name":"A Least Squares Approach to Estimation of Far-field Voltage in Unipolar Electrograms in Atrial Fibrillation","publication_year":2018,"publication_date":"2018-10-01","ids":{"openalex":"https://openalex.org/W2919020707","doi":"https://doi.org/10.1109/acssc.2018.8645143","mag":"2919020707"},"language":"en","primary_location":{"id":"doi:10.1109/acssc.2018.8645143","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2018.8645143","pdf_url":null,"source":{"id":"https://openalex.org/S4363608623","display_name":"2018 52nd Asilomar Conference on Signals, Systems, and Computers","issn_l":"1058-6393","issn":["1058-6393","2576-2303"],"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":"2018 52nd Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},"type":"conference-paper","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/A5108253289","display_name":"Rupin Dalvi","orcid":null},"institutions":[{"id":"https://openalex.org/I1325899441","display_name":"University Health Network","ror":"https://ror.org/042xt5161","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Rupin Dalvi","raw_affiliation_strings":["Department of Cardiology, University Health Network, Toronto, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, University Health Network, Toronto, ON, Canada","institution_ids":["https://openalex.org/I1325899441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005120749","display_name":"Sachin Nayyar","orcid":"https://orcid.org/0000-0002-7972-5375"},"institutions":[{"id":"https://openalex.org/I1325899441","display_name":"University Health Network","ror":"https://ror.org/042xt5161","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Sachin Nayyar","raw_affiliation_strings":["Department of Cardiology, University Health Network, Toronto, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, University Health Network, Toronto, ON, Canada","institution_ids":["https://openalex.org/I1325899441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047179300","display_name":"Adrian Suszko","orcid":"https://orcid.org/0000-0001-8185-1998"},"institutions":[{"id":"https://openalex.org/I1325899441","display_name":"University Health Network","ror":"https://ror.org/042xt5161","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Adrian Suszko","raw_affiliation_strings":["Department of Cardiology, University Health Network, Toronto, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, University Health Network, Toronto, ON, Canada","institution_ids":["https://openalex.org/I1325899441"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028591599","display_name":"Vijay S. Chauhan","orcid":"https://orcid.org/0000-0001-9264-5073"},"institutions":[{"id":"https://openalex.org/I1325899441","display_name":"University Health Network","ror":"https://ror.org/042xt5161","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Vijay S. Chauhan","raw_affiliation_strings":["Department of Cardiology, University Health Network, Toronto, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, University Health Network, Toronto, ON, Canada","institution_ids":["https://openalex.org/I1325899441"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1325899441"],"apc_list":null,"apc_paid":null,"fwci":0.4776,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.68133884,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"1230","last_page":"1233"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9987999796867371,"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/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9987999796867371,"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/T11021","display_name":"ECG Monitoring and Analysis","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/T11217","display_name":"Cardiac Arrhythmias and Treatments","score":0.9973000288009644,"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":0.7953634858131409},{"id":"https://openalex.org/keywords/ablation","display_name":"Ablation","score":0.6305236220359802},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.6107434630393982},{"id":"https://openalex.org/keywords/catheter-ablation","display_name":"Catheter ablation","score":0.5169738531112671},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.5063377618789673},{"id":"https://openalex.org/keywords/intracardiac-injection","display_name":"Intracardiac injection","score":0.49261337518692017},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.4729556739330292},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.45026424527168274},{"id":"https://openalex.org/keywords/cardiac-ablation","display_name":"Cardiac Ablation","score":0.4433603584766388},{"id":"https://openalex.org/keywords/biomedical-engineering","display_name":"Biomedical engineering","score":0.3793300986289978},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16090983152389526}],"concepts":[{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.7953634858131409},{"id":"https://openalex.org/C2778902805","wikidata":"https://www.wikidata.org/wiki/Q322177","display_name":"Ablation","level":2,"score":0.6305236220359802},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6107434630393982},{"id":"https://openalex.org/C2776131983","wikidata":"https://www.wikidata.org/wiki/Q436572","display_name":"Catheter ablation","level":3,"score":0.5169738531112671},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5063377618789673},{"id":"https://openalex.org/C80093799","wikidata":"https://www.wikidata.org/wiki/Q366155","display_name":"Intracardiac injection","level":2,"score":0.49261337518692017},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4729556739330292},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.45026424527168274},{"id":"https://openalex.org/C2910474132","wikidata":"https://www.wikidata.org/wiki/Q436572","display_name":"Cardiac Ablation","level":4,"score":0.4433603584766388},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.3793300986289978},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16090983152389526},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/acssc.2018.8645143","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2018.8645143","pdf_url":null,"source":{"id":"https://openalex.org/S4363608623","display_name":"2018 52nd Asilomar Conference on Signals, Systems, and Computers","issn_l":"1058-6393","issn":["1058-6393","2576-2303"],"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":"2018 52nd Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1962579529","https://openalex.org/W1989727046","https://openalex.org/W2043480770","https://openalex.org/W2107281637","https://openalex.org/W2124033264","https://openalex.org/W2147264393","https://openalex.org/W2290048546","https://openalex.org/W2552389463"],"related_works":["https://openalex.org/W2126958622","https://openalex.org/W2405738564","https://openalex.org/W2997443537","https://openalex.org/W4210927327","https://openalex.org/W63965692","https://openalex.org/W4282937895","https://openalex.org/W4292689102","https://openalex.org/W3008274195","https://openalex.org/W2179224909","https://openalex.org/W2029545144"],"abstract_inverted_index":{"The":[0,132],"evaluation":[1],"of":[2,49,58],"atrial":[3,15,35,83],"scar":[4,46],"using":[5],"electrogram":[6,62],"voltage":[7,43],"is":[8],"emerging":[9],"as":[10],"a":[11,100],"promising":[12],"approach":[13],"to":[14,86,104],"fibrillation":[16],"catheter":[17,130],"ablation.":[18,131],"However,":[19],"unipolar":[20,61,112],"electrograms":[21,124],"recorded":[22],"from":[23,33,108,111,122,125],"intracardiac":[24],"catheters":[25],"during":[26],"AF":[27,129],"are":[28],"corrupted":[29],"by":[30],"far-field":[31,68,107,138],"signals":[32,53],"remote":[34],"sites":[36],"and":[37,45,81,90],"the":[38,59,64,73,78,87,106,116,137],"ventricles,":[39],"which":[40],"results":[41],"in":[42],"overestimation":[44],"underdetection.":[47],"Removal":[48],"these":[50],"far":[51,88],"field":[52,89],"would":[54],"allow":[55],"improved":[56],"assessment":[57],"local":[60],"at":[63],"recording":[65],"site.":[66],"Most":[67],"removal":[69,92],"methods":[70],"consider":[71],"only":[72],"ventricular":[74],"far-field.":[75],"In":[76],"AF,":[77],"surrounding":[79],"right":[80],"left":[82],"activity":[84],"contributes":[85],"its":[91],"has":[93],"not":[94],"been":[95],"previously":[96],"described.":[97],"We":[98,114],"present":[99],"least":[101],"squares":[102],"method":[103,117,133],"remove":[105],"all":[109],"sources":[110],"electrograms.":[113],"tested":[115],"on":[118],"synthetic":[119],"data":[120],"generated":[121],"real":[123],"80":[126],"patients":[127],"undergoing":[128],"performed":[134],"well,":[135],"extracting":[136],"with":[139],"high":[140],"accuracy.":[141]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}