{"id":"https://openalex.org/W4392679029","doi":"https://doi.org/10.1007/s00034-023-02588-9","title":"A Heart Sound Signal Classification Method Based on the Mixed Characteristics of Mel Cepstrum Coefficient and Second-Order Spectrum","display_name":"A Heart Sound Signal Classification Method Based on the Mixed Characteristics of Mel Cepstrum Coefficient and Second-Order Spectrum","publication_year":2024,"publication_date":"2024-03-12","ids":{"openalex":"https://openalex.org/W4392679029","doi":"https://doi.org/10.1007/s00034-023-02588-9"},"language":"en","primary_location":{"id":"doi:10.1007/s00034-023-02588-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-023-02588-9","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and Signal Processing","raw_type":"journal-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/A5102756827","display_name":"Xianfei Zhang","orcid":"https://orcid.org/0000-0002-8872-4200"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xianfei Zhang","raw_affiliation_strings":["Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China"],"affiliations":[{"raw_affiliation_string":"Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068158299","display_name":"Xianhao Liu","orcid":"https://orcid.org/0009-0002-5060-6249"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianhao Liu","raw_affiliation_strings":["Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China"],"affiliations":[{"raw_affiliation_string":"Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":null,"display_name":"Gongzhi Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gongzhi Liu","raw_affiliation_strings":["Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China"],"affiliations":[{"raw_affiliation_string":"Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, Zhejiang, China","institution_ids":["https://openalex.org/I50760025"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102756827"],"corresponding_institution_ids":["https://openalex.org/I50760025"],"apc_list":null,"apc_paid":null,"fwci":2.8255,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.90409535,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"43","issue":"6","first_page":"3533","last_page":"3552"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T13996","display_name":"Diverse Musicological Studies","score":0.9621000289916992,"subfield":{"id":"https://openalex.org/subfields/1210","display_name":"Music"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/heart-sounds","display_name":"Heart sounds","score":0.7668037414550781},{"id":"https://openalex.org/keywords/cepstrum","display_name":"Cepstrum","score":0.7606117725372314},{"id":"https://openalex.org/keywords/auscultation","display_name":"Auscultation","score":0.6787371635437012},{"id":"https://openalex.org/keywords/mel-frequency-cepstrum","display_name":"Mel-frequency cepstrum","score":0.6084668040275574},{"id":"https://openalex.org/keywords/heart-murmur","display_name":"Heart murmur","score":0.6007505059242249},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5641235709190369},{"id":"https://openalex.org/keywords/sound","display_name":"Sound (geography)","score":0.5319443345069885},{"id":"https://openalex.org/keywords/test-set","display_name":"Test set","score":0.4758020341396332},{"id":"https://openalex.org/keywords/stenosis","display_name":"Stenosis","score":0.4663412272930145},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.45519647002220154},{"id":"https://openalex.org/keywords/heart-valve","display_name":"Heart valve","score":0.4258050322532654},{"id":"https://openalex.org/keywords/audio-signal","display_name":"Audio signal","score":0.41903698444366455},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40453848242759705},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38835906982421875},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.38061708211898804},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3598053753376007},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.3265077471733093},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.2913469672203064},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.14881274104118347}],"concepts":[{"id":"https://openalex.org/C2779435589","wikidata":"https://www.wikidata.org/wiki/Q967103","display_name":"Heart sounds","level":2,"score":0.7668037414550781},{"id":"https://openalex.org/C88485024","wikidata":"https://www.wikidata.org/wiki/Q1054571","display_name":"Cepstrum","level":2,"score":0.7606117725372314},{"id":"https://openalex.org/C2777324038","wikidata":"https://www.wikidata.org/wiki/Q779054","display_name":"Auscultation","level":2,"score":0.6787371635437012},{"id":"https://openalex.org/C151989614","wikidata":"https://www.wikidata.org/wiki/Q440370","display_name":"Mel-frequency cepstrum","level":3,"score":0.6084668040275574},{"id":"https://openalex.org/C2780379053","wikidata":"https://www.wikidata.org/wiki/Q1060911","display_name":"Heart murmur","level":2,"score":0.6007505059242249},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5641235709190369},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.5319443345069885},{"id":"https://openalex.org/C169903167","wikidata":"https://www.wikidata.org/wiki/Q3985153","display_name":"Test set","level":2,"score":0.4758020341396332},{"id":"https://openalex.org/C2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","level":2,"score":0.4663412272930145},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.45519647002220154},{"id":"https://openalex.org/C2776229121","wikidata":"https://www.wikidata.org/wiki/Q215620","display_name":"Heart valve","level":2,"score":0.4258050322532654},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.41903698444366455},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40453848242759705},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38835906982421875},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.38061708211898804},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3598053753376007},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.3265077471733093},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2913469672203064},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.14881274104118347},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"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:10.1007/s00034-023-02588-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00034-023-02588-9","pdf_url":null,"source":{"id":"https://openalex.org/S20109229","display_name":"Circuits Systems and Signal Processing","issn_l":"0278-081X","issn":["0278-081X","1531-5878"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Circuits, Systems, and Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.5899999737739563}],"awards":[{"id":"https://openalex.org/G4996480415","display_name":null,"funder_award_id":"LGG21F020002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2018388266","https://openalex.org/W2023977671","https://openalex.org/W2027537551","https://openalex.org/W2031614119","https://openalex.org/W2036215557","https://openalex.org/W2107216691","https://openalex.org/W2117539524","https://openalex.org/W2148154194","https://openalex.org/W2160423852","https://openalex.org/W2161925948","https://openalex.org/W2263065115","https://openalex.org/W2614578122","https://openalex.org/W2618530766","https://openalex.org/W2809173583","https://openalex.org/W2901976219","https://openalex.org/W3004025693","https://openalex.org/W3013299903","https://openalex.org/W3037146579","https://openalex.org/W4205745496","https://openalex.org/W4236137412"],"related_works":["https://openalex.org/W2462513779","https://openalex.org/W2066804906","https://openalex.org/W1982614964","https://openalex.org/W4246352510","https://openalex.org/W310243274","https://openalex.org/W2156416747","https://openalex.org/W3191193899","https://openalex.org/W2013970413","https://openalex.org/W1601748943","https://openalex.org/W2062210329"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}
