{"id":"https://openalex.org/W2006839681","doi":"https://doi.org/10.1109/icnc.2010.5584140","title":"Improved methods for detecting main components of heart sounds","display_name":"Improved methods for detecting main components of heart sounds","publication_year":2010,"publication_date":"2010-08-01","ids":{"openalex":"https://openalex.org/W2006839681","doi":"https://doi.org/10.1109/icnc.2010.5584140","mag":"2006839681"},"language":"en","primary_location":{"id":"doi:10.1109/icnc.2010.5584140","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnc.2010.5584140","pdf_url":null,"source":{"id":"https://openalex.org/S4363608012","display_name":"2010 Sixth International Conference on Natural Computation","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":"2010 Sixth International Conference on Natural Computation","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/A5080118555","display_name":"Zhihai Tu","orcid":null},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]},{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhihai Tu","raw_affiliation_strings":["Institute of Software Engineering, East China Jiao Tong University, Shanghai, China","Institute of Software Engineering,East China Normal University,Shanghai 200062,China)"],"affiliations":[{"raw_affiliation_string":"Institute of Software Engineering, East China Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I4210128818"]},{"raw_affiliation_string":"Institute of Software Engineering,East China Normal University,Shanghai 200062,China)","institution_ids":["https://openalex.org/I66867065","https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027627793","display_name":"Guitao Cao","orcid":"https://orcid.org/0000-0002-4059-4806"},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guitao Cao","raw_affiliation_strings":["Institute of Software Engineering, East China Jiao Tong University, Shanghai, China","Institute of Software Engineering,East China Normal University,Shanghai 200062,China)"],"affiliations":[{"raw_affiliation_string":"Institute of Software Engineering, East China Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I4210128818"]},{"raw_affiliation_string":"Institute of Software Engineering,East China Normal University,Shanghai 200062,China)","institution_ids":["https://openalex.org/I66867065","https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100675252","display_name":"Li Qiao","orcid":"https://orcid.org/0000-0002-2456-3014"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiao Li","raw_affiliation_strings":["Department of Biomedical Engineering, School of Medicine, Shandong University, China"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, School of Medicine, Shandong University, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032103165","display_name":"Xianxia Zhang","orcid":"https://orcid.org/0000-0002-3845-2972"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianxia Zhang","raw_affiliation_strings":["Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics and Automation, Shanghai University, Shanghai, China","Shanghai Key Laboratory of Power, Station Automation Technology, School of Mechatronics and Automation, Shanghai University, 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics and Automation, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]},{"raw_affiliation_string":"Shanghai Key Laboratory of Power, Station Automation Technology, School of Mechatronics and Automation, Shanghai University, 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066834799","display_name":"Junren Shi","orcid":"https://orcid.org/0000-0002-0385-3055"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210144482","display_name":"Shanghai Sixth People's Hospital","ror":"https://ror.org/049zrh188","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210144482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Shi","raw_affiliation_strings":["The Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China","The Sixth People's Hospital, Shanghai Jiao Tong University, 200233, China"],"affiliations":[{"raw_affiliation_string":"The Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China","institution_ids":["https://openalex.org/I4210144482"]},{"raw_affiliation_string":"The Sixth People's Hospital, Shanghai Jiao Tong University, 200233, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5080118555"],"corresponding_institution_ids":["https://openalex.org/I4210128818","https://openalex.org/I66867065"],"apc_list":null,"apc_paid":null,"fwci":10.3158,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.97948718,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"35","issue":null,"first_page":"3585","last_page":"3588"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9962000250816345,"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":0.9962000250816345,"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"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9277999997138977,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.6900365352630615},{"id":"https://openalex.org/keywords/envelope","display_name":"Envelope (radar)","score":0.6666097640991211},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.6484115719795227},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.6237027645111084},{"id":"https://openalex.org/keywords/heart-sounds","display_name":"Heart sounds","score":0.6032435894012451},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.593833327293396},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5817681550979614},{"id":"https://openalex.org/keywords/white-noise","display_name":"White noise","score":0.5787695050239563},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5148836374282837},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.5114880800247192},{"id":"https://openalex.org/keywords/envelope-detector","display_name":"Envelope detector","score":0.4781254827976227},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.47438719868659973},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.43685853481292725},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4348641633987427},{"id":"https://openalex.org/keywords/transfer-function","display_name":"Transfer function","score":0.4320657253265381},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.4212062954902649},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.39906951785087585},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.34218162298202515},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28757554292678833},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12583306431770325},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12496170401573181},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.09453552961349487}],"concepts":[{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.6900365352630615},{"id":"https://openalex.org/C65155139","wikidata":"https://www.wikidata.org/wiki/Q5380912","display_name":"Envelope (radar)","level":3,"score":0.6666097640991211},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.6484115719795227},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.6237027645111084},{"id":"https://openalex.org/C2779435589","wikidata":"https://www.wikidata.org/wiki/Q967103","display_name":"Heart sounds","level":2,"score":0.6032435894012451},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.593833327293396},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5817681550979614},{"id":"https://openalex.org/C112633086","wikidata":"https://www.wikidata.org/wiki/Q381287","display_name":"White noise","level":2,"score":0.5787695050239563},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5148836374282837},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.5114880800247192},{"id":"https://openalex.org/C95676537","wikidata":"https://www.wikidata.org/wiki/Q1652250","display_name":"Envelope detector","level":4,"score":0.4781254827976227},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.47438719868659973},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.43685853481292725},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4348641633987427},{"id":"https://openalex.org/C81299745","wikidata":"https://www.wikidata.org/wiki/Q334269","display_name":"Transfer function","level":2,"score":0.4320657253265381},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.4212062954902649},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.39906951785087585},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.34218162298202515},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28757554292678833},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12583306431770325},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12496170401573181},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.09453552961349487},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icnc.2010.5584140","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icnc.2010.5584140","pdf_url":null,"source":{"id":"https://openalex.org/S4363608012","display_name":"2010 Sixth International Conference on Natural Computation","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":"2010 Sixth International Conference on Natural Computation","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309612","display_name":"Natural Science Foundation of Shanghai","ror":null},{"id":"https://openalex.org/F4320313610","display_name":"Shanghai Science and Technology Development Foundation","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320326149","display_name":"Shanghai International Science and Technology","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1971124640","https://openalex.org/W2026825387","https://openalex.org/W2091920654","https://openalex.org/W2120322792","https://openalex.org/W2352777700","https://openalex.org/W2362837172","https://openalex.org/W2366497940","https://openalex.org/W2391414066","https://openalex.org/W2410704232","https://openalex.org/W2542713095","https://openalex.org/W3177944647","https://openalex.org/W6714245086","https://openalex.org/W7056564458"],"related_works":["https://openalex.org/W2953058328","https://openalex.org/W1542224353","https://openalex.org/W1661087619","https://openalex.org/W2116854923","https://openalex.org/W2750730210","https://openalex.org/W2236974868","https://openalex.org/W4312766348","https://openalex.org/W2575592338","https://openalex.org/W2022123442","https://openalex.org/W2386953242"],"abstract_inverted_index":{"The":[0,117],"heart":[1,15,98],"is":[2],"one":[3],"of":[4,8,14,42,94,97],"the":[5,21,74,91,125],"key":[6],"organs":[7],"human":[9],"bodies":[10],"and":[11,60,72,124],"each":[12],"component":[13],"sounds":[16,99],"reflects":[17],"important":[18],"information":[19],"about":[20],"cardiac":[22],"status.":[23],"In":[24],"this":[25],"paper,":[26],"an":[27],"improved":[28],"method":[29,47,106],"based":[30,107],"on":[31,108],"envelope":[32,65,77],"for":[33,111],"detecting":[34],"them":[35],"without":[36],"reference":[37],"signals":[38],"was":[39,54,66,78,115,119,128],"proposed.":[40],"First":[41],"all,":[43],"a":[44,104],"novel":[45],"de-noising":[46],"using":[48,80],"thresholding":[49],"function":[50],"in":[51,100],"wavelet":[52],"domain":[53],"used":[55],"to":[56,69,89],"remove":[57],"background":[58],"noise":[59],"white":[61],"noise.":[62],"Secondly,":[63],"original":[64],"got":[67],"according":[68],"Hilbert":[70],"Transfer":[71],"then":[73],"final":[75],"smooth":[76],"extracted":[79],"Cubic":[81],"polynomial":[82],"interpolation.":[83],"Thirdly,":[84],"some":[85],"strategies":[86],"were":[87],"taken":[88],"get":[90],"correct":[92,126],"locations":[93],"main":[95],"components":[96],"time":[101],"domain,":[102],"especially":[103],"new":[105],"window":[109],"period":[110],"recovering":[112],"lost":[113],"peaks":[114],"discussed.":[116],"algorithm":[118],"tested":[120],"by":[121],"223":[122],"records":[123],"rate":[127],"94.6%.":[129]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
