{"id":"https://openalex.org/W2111859219","doi":"https://doi.org/10.1109/tbme.2002.1010858","title":"Study of features based on nonlinear dynamical modeling in ECG arrhythmia detection and classification","display_name":"Study of features based on nonlinear dynamical modeling in ECG arrhythmia detection and classification","publication_year":2002,"publication_date":"2002-07-01","ids":{"openalex":"https://openalex.org/W2111859219","doi":"https://doi.org/10.1109/tbme.2002.1010858","mag":"2111859219","pmid":"https://pubmed.ncbi.nlm.nih.gov/12083309"},"language":"en","primary_location":{"id":"doi:10.1109/tbme.2002.1010858","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2002.1010858","pdf_url":null,"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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109183977","display_name":"Mohamed I. Owis","orcid":null},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"M.I. Owis","raw_affiliation_strings":["Biomedical Engineering Department, Cairo University, Giza, Egypt","Biomed. Eng. Dept., Cairo Univ., Giza, Egypt"],"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Cairo University, Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]},{"raw_affiliation_string":"Biomed. Eng. Dept., Cairo Univ., Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051452876","display_name":"A.H. Abou-Zied","orcid":null},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"A.H. Abou-Zied","raw_affiliation_strings":["Biomedical Engineering Department, Cairo University, Giza, Egypt","Biomed. Eng. Dept., Cairo Univ., Giza, Egypt"],"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Cairo University, Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]},{"raw_affiliation_string":"Biomed. Eng. Dept., Cairo Univ., Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100778404","display_name":"Abou\u2010Bakr M. Youssef","orcid":"https://orcid.org/0009-0006-9289-6597"},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"A.-B.M. Youssef","raw_affiliation_strings":["Biomedical Engineering Department, Cairo University, Giza, Egypt","Biomed. Eng. Dept., Cairo Univ., Giza, Egypt"],"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Cairo University, Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]},{"raw_affiliation_string":"Biomed. Eng. Dept., Cairo Univ., Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049083193","display_name":"Yasser M. Kadah","orcid":"https://orcid.org/0000-0002-2166-3191"},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Y.M. Kadah","raw_affiliation_strings":["Biomedical Engineering Department, Faculty of Engineering, Cairo University, Giza, Egypt","Biomed. Eng. Dept., Cairo Univ., Giza, Egypt"],"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Faculty of Engineering, Cairo University, Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]},{"raw_affiliation_string":"Biomed. Eng. Dept., Cairo Univ., Giza, Egypt","institution_ids":["https://openalex.org/I145487455"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5109183977"],"corresponding_institution_ids":["https://openalex.org/I145487455"],"apc_list":null,"apc_paid":null,"fwci":5.0916,"has_fulltext":false,"cited_by_count":248,"citation_normalized_percentile":{"value":0.9597548,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"49","issue":"7","first_page":"733","last_page":"736"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9986000061035156,"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":0.9986000061035156,"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/T10876","display_name":"Fault Detection and Control Systems","score":0.9921000003814697,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9894000291824341,"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/correlation-dimension","display_name":"Correlation dimension","score":0.7515230178833008},{"id":"https://openalex.org/keywords/lyapunov-exponent","display_name":"Lyapunov exponent","score":0.6858009099960327},{"id":"https://openalex.org/keywords/chaotic","display_name":"Chaotic","score":0.6818169951438904},{"id":"https://openalex.org/keywords/cardiac-arrhythmia","display_name":"Cardiac arrhythmia","score":0.6476526260375977},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5842438340187073},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5696871280670166},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5609794855117798},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5376675128936768},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.5206990838050842},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.41616207361221313},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2595236897468567},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.15053948760032654},{"id":"https://openalex.org/keywords/fractal-dimension","display_name":"Fractal dimension","score":0.13296502828598022},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09356895089149475},{"id":"https://openalex.org/keywords/fractal","display_name":"Fractal","score":0.08289211988449097},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07773435115814209}],"concepts":[{"id":"https://openalex.org/C110601934","wikidata":"https://www.wikidata.org/wiki/Q5172849","display_name":"Correlation dimension","level":4,"score":0.7515230178833008},{"id":"https://openalex.org/C191544260","wikidata":"https://www.wikidata.org/wiki/Q1238630","display_name":"Lyapunov exponent","level":3,"score":0.6858009099960327},{"id":"https://openalex.org/C2777052490","wikidata":"https://www.wikidata.org/wiki/Q5072826","display_name":"Chaotic","level":2,"score":0.6818169951438904},{"id":"https://openalex.org/C2988455589","wikidata":"https://www.wikidata.org/wiki/Q189331","display_name":"Cardiac arrhythmia","level":3,"score":0.6476526260375977},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5842438340187073},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5696871280670166},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5609794855117798},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5376675128936768},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.5206990838050842},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.41616207361221313},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2595236897468567},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.15053948760032654},{"id":"https://openalex.org/C26546657","wikidata":"https://www.wikidata.org/wiki/Q1412452","display_name":"Fractal dimension","level":3,"score":0.13296502828598022},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09356895089149475},{"id":"https://openalex.org/C40636538","wikidata":"https://www.wikidata.org/wiki/Q81392","display_name":"Fractal","level":2,"score":0.08289211988449097},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07773435115814209},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D001145","descriptor_name":"Arrhythmias, Cardiac","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","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":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008955","descriptor_name":"Models, Cardiovascular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017711","descriptor_name":"Nonlinear Dynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017711","descriptor_name":"Nonlinear Dynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D017711","descriptor_name":"Nonlinear Dynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/tbme.2002.1010858","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2002.1010858","pdf_url":null,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:12083309","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12083309","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}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5199999809265137,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"},{"score":0.4699999988079071,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1544301108","https://openalex.org/W1963822842","https://openalex.org/W1977254247","https://openalex.org/W2001479808","https://openalex.org/W2026123057","https://openalex.org/W2031253392","https://openalex.org/W2033410765","https://openalex.org/W2044257293","https://openalex.org/W2070766757","https://openalex.org/W2083077661","https://openalex.org/W2095428098","https://openalex.org/W2117624000","https://openalex.org/W2125927307","https://openalex.org/W2130073868","https://openalex.org/W2162192302","https://openalex.org/W2170985735"],"related_works":["https://openalex.org/W2361515791","https://openalex.org/W1628429654","https://openalex.org/W2187399829","https://openalex.org/W1972922334","https://openalex.org/W2106857803","https://openalex.org/W2364951437","https://openalex.org/W2200598598","https://openalex.org/W2899627504","https://openalex.org/W1982767765","https://openalex.org/W2375956839"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,42,128],"study":[3],"of":[4,8,29,33,45,63,69,118,137],"the":[5,26,53,64,70,83,98,101,105,132],"nonlinear":[6],"dynamics":[7],"electrocardiogram":[9],"(ECG)":[10],"signals":[11,48],"for":[12,41,131],"arrhythmia":[13,85,95,109],"characterization.":[14],"The":[15,36,57,66,116],"correlation":[16],"dimension":[17],"and":[18,52,82,135],"largest":[19],"Lyapunov":[20],"exponent":[21],"are":[22,39,55,121],"used":[23],"to":[24],"model":[25,37],"chaotic":[27],"nature":[28],"five":[30],"different":[31,84,108],"classes":[32],"ECG":[34,47,94],"signals.":[35],"parameters":[38],"evaluated":[40],"large":[43],"number":[44],"real":[46],"within":[49],"each":[50],"class":[51],"results":[54,102,117],"reported.":[56],"presented":[58],"algorithms":[59],"allow":[60],"automatic":[61],"calculation":[62],"features.":[65,115,139],"statistical":[67,124],"analysis":[68,125],"calculated":[71],"features":[72],"indicates":[73],"that":[74,104,126],"they":[75],"differ":[76],"significantly":[77],"between":[78,107],"normal":[79],"heart":[80],"rhythm":[81],"types":[86,110],"and,":[87],"hence,":[88],"can":[89],"be":[90],"rather":[91],"useful":[92],"in":[93],"detection.":[96],"On":[97],"other":[99],"hand,":[100],"indicate":[103],"discrimination":[106],"is":[111],"difficult":[112],"using":[113],"such":[114],"this":[119],"work":[120],"supported":[122],"by":[123],"provides":[127],"clear":[129],"outline":[130],"potential":[133],"uses":[134],"limitations":[136],"these":[138]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":18},{"year":2016,"cited_by_count":12},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":16},{"year":2012,"cited_by_count":15}],"updated_date":"2026-01-13T01:12:25.745995","created_date":"2025-10-10T00:00:00"}