{"id":"https://openalex.org/W2081741488","doi":"https://doi.org/10.1109/embc.2013.6610399","title":"Heart sound segmentation of pediatric auscultations using wavelet analysis","display_name":"Heart sound segmentation of pediatric auscultations using wavelet analysis","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2081741488","doi":"https://doi.org/10.1109/embc.2013.6610399","mag":"2081741488","pmid":"https://pubmed.ncbi.nlm.nih.gov/24110586"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2013.6610399","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2013.6610399","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5061382415","display_name":"Ana Castro","orcid":null},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Ana Castro","raw_affiliation_strings":["Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025933807","display_name":"Tiago T. V. Vinhoza","orcid":"https://orcid.org/0000-0002-9850-2441"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Tiago T. V. Vinhoza","raw_affiliation_strings":["Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017501201","display_name":"Sandra da Silva Mattos","orcid":"https://orcid.org/0000-0003-0896-3568"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210086023","display_name":"Real Hospital Portugu\u00eas","ror":"https://ror.org/00ccgr484","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4210086023"]}],"countries":["BR","PT"],"is_corresponding":false,"raw_author_name":"Sandra S. Mattos","raw_affiliation_strings":["Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","Unidade de Cardiologia e Med. Fetal, Real Hosp. Portugues, Recife, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Ci\u00eancias da, Universidade do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Unidade de Cardiologia e Med. Fetal, Real Hosp. Portugues, Recife, Brazil","institution_ids":["https://openalex.org/I4210086023"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038594477","display_name":"Miguel Coimbra","orcid":"https://orcid.org/0000-0001-7501-6523"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I4210086023","display_name":"Real Hospital Portugu\u00eas","ror":"https://ror.org/00ccgr484","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4210086023"]}],"countries":["BR","PT"],"is_corresponding":false,"raw_author_name":"Miguel T. Coimbra","raw_affiliation_strings":["Unidade de Cardiologia e Medicina Fetal, Real Hospital Portugu\u00eas, Recife, Brasil","Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Unidade de Cardiologia e Medicina Fetal, Real Hospital Portugu\u00eas, Recife, Brasil","institution_ids":["https://openalex.org/I4210086023"]},{"raw_affiliation_string":"Dept. de Cienc. de Comput., Univ. do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":58,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"2013","issue":null,"first_page":"3909","last_page":"3912"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/auscultation","display_name":"Auscultation","score":0.8095009326934814},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.747236967086792},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.7296839952468872},{"id":"https://openalex.org/keywords/loudness","display_name":"Loudness","score":0.7172150015830994},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.6158275008201599},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5869048833847046},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5615661144256592},{"id":"https://openalex.org/keywords/heart-sounds","display_name":"Heart sounds","score":0.5242750644683838},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44902950525283813},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4167683720588684},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.2768925130367279},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.22223562002182007},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.21095561981201172},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.1715942621231079},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07026651501655579}],"concepts":[{"id":"https://openalex.org/C2777324038","wikidata":"https://www.wikidata.org/wiki/Q779054","display_name":"Auscultation","level":2,"score":0.8095009326934814},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.747236967086792},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.7296839952468872},{"id":"https://openalex.org/C79018884","wikidata":"https://www.wikidata.org/wiki/Q622324","display_name":"Loudness","level":2,"score":0.7172150015830994},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.6158275008201599},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5869048833847046},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5615661144256592},{"id":"https://openalex.org/C2779435589","wikidata":"https://www.wikidata.org/wiki/Q967103","display_name":"Heart sounds","level":2,"score":0.5242750644683838},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44902950525283813},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4167683720588684},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2768925130367279},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.22223562002182007},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.21095561981201172},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.1715942621231079},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07026651501655579}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006326","descriptor_name":"Heart Auscultation","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006337","descriptor_name":"Heart Murmurs","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D006337","descriptor_name":"Heart Murmurs","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D006337","descriptor_name":"Heart Murmurs","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D006347","descriptor_name":"Heart Sounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006347","descriptor_name":"Heart Sounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006347","descriptor_name":"Heart Sounds","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":"D009200","descriptor_name":"Myocardial Contraction","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009200","descriptor_name":"Myocardial Contraction","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009200","descriptor_name":"Myocardial Contraction","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/embc.2013.6610399","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2013.6610399","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:24110586","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24110586","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":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.720.9506","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.720.9506","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dcc.fc.up.pt/%7Etiago.vinhoza/docs/EMBC2013.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.8100000023841858}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1555351265","https://openalex.org/W1751223533","https://openalex.org/W1926275035","https://openalex.org/W2011661912","https://openalex.org/W2038337562","https://openalex.org/W2066393257","https://openalex.org/W2101148225","https://openalex.org/W2103456541","https://openalex.org/W2121317749","https://openalex.org/W2126835168","https://openalex.org/W6640541783"],"related_works":["https://openalex.org/W2541950815","https://openalex.org/W1976615527","https://openalex.org/W2423609102","https://openalex.org/W2086380073","https://openalex.org/W2415438441","https://openalex.org/W2055070405","https://openalex.org/W3141956922","https://openalex.org/W2466330452","https://openalex.org/W2114026211","https://openalex.org/W2128191671"],"abstract_inverted_index":{"Auscultation":[0],"is":[1,10],"widely":[2],"applied":[3],"in":[4,89,110],"clinical":[5,91],"activity,":[6],"nonetheless":[7],"sound":[8,18,48,105],"interpretation":[9],"dependent":[11],"on":[12,54],"clinician":[13,97],"training":[14],"and":[15,27,51,57,73,76,93,117,123,131],"experience.":[16],"Heart":[17,104],"features":[19],"such":[20],"as":[21],"spatial":[22],"loudness,":[23],"relative":[24],"amplitude,":[25],"murmurs,":[26],"localization":[28],"of":[29,35,64,67,77,81,112,135],"each":[30,82],"component":[31],"may":[32],"be":[33],"indicative":[34],"pathology.":[36],"In":[37],"this":[38],"study":[39],"we":[40],"propose":[41],"a":[42,90,96],"segmentation":[43],"algorithm":[44,61],"to":[45,100],"extract":[46],"heart":[47,69],"components":[49,106],"(S1":[50],"S2)":[52],"based":[53],"it's":[55],"time":[56],"frequency":[58],"characteristics.":[59],"This":[60],"takes":[62],"advantage":[63],"the":[65,68,78,113],"knowledge":[66],"cycle":[70],"times":[71],"(systolic":[72],"diastolic":[74],"periods)":[75],"spectral":[79],"characteristics":[80],"component,":[83],"through":[84],"wavelet":[85],"analysis.":[86],"Data":[87],"collected":[88],"environment,":[92],"annotated":[94,114,130],"by":[95],"was":[98,134],"used":[99],"assess":[101],"algorithm's":[102],"performance.":[103],"were":[107,121],"correctly":[108],"identified":[109],"99.5%":[111],"events.":[115],"S1":[116],"S2":[118],"detection":[119],"rates":[120],"90.9%":[122],"93.3%":[124],"respectively.":[125],"The":[126],"median":[127],"difference":[128],"between":[129],"detected":[132],"events":[133],"33.9":[136],"ms.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
