{"id":"https://openalex.org/W2293384101","doi":"https://doi.org/10.1109/embc.2015.7319615","title":"Feature extraction using time-frequency analysis for monophonic-polyphonic wheeze discrimination","display_name":"Feature extraction using time-frequency analysis for monophonic-polyphonic wheeze discrimination","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2293384101","doi":"https://doi.org/10.1109/embc.2015.7319615","mag":"2293384101","pmid":"https://pubmed.ncbi.nlm.nih.gov/26737515"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2015.7319615","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319615","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th 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/A5023369251","display_name":"Sezer Ulukaya","orcid":"https://orcid.org/0000-0003-0473-7547"},"institutions":[{"id":"https://openalex.org/I12387023","display_name":"Trakya University","ror":"https://ror.org/00xa0xn82","country_code":"TR","type":"education","lineage":["https://openalex.org/I12387023"]},{"id":"https://openalex.org/I4405392","display_name":"Bo\u011fazi\u00e7i University","ror":"https://ror.org/03z9tma90","country_code":"TR","type":"education","lineage":["https://openalex.org/I4405392"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Sezer Ulukaya","raw_affiliation_strings":["Department of Electrical and Electronics Engineering, Bogazici University, Istanbul, Turkey","Trakya University, Edirne, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronics Engineering, Bogazici University, Istanbul, Turkey","institution_ids":["https://openalex.org/I4405392"]},{"raw_affiliation_string":"Trakya University, Edirne, Turkey","institution_ids":["https://openalex.org/I12387023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091345959","display_name":"\u0130pek \u015een","orcid":"https://orcid.org/0000-0001-8471-4083"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ipek Sen","raw_affiliation_strings":["Ipek Sen is with Electrosalus Inc., Istanbul, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ipek Sen is with Electrosalus Inc., Istanbul, Turkey","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084093549","display_name":"Yasemin P. Kahya","orcid":"https://orcid.org/0000-0001-5137-1205"},"institutions":[{"id":"https://openalex.org/I4405392","display_name":"Bo\u011fazi\u00e7i University","ror":"https://ror.org/03z9tma90","country_code":"TR","type":"education","lineage":["https://openalex.org/I4405392"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Yasemin P. Kahya","raw_affiliation_strings":["Department of Electrical and Electronics Engineering, Bogazici University, Istanbul, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronics Engineering, Bogazici University, Istanbul, Turkey","institution_ids":["https://openalex.org/I4405392"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.5014,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.9470538,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"2015","issue":null,"first_page":"5412","last_page":"5415"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11309","display_name":"Music and Audio Processing","score":0.9984999895095825,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9908999800682068,"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/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.7024273872375488},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.6508689522743225},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6058129072189331},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.5304989814758301},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.528844952583313},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5282513499259949},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.522696852684021},{"id":"https://openalex.org/keywords/wheeze","display_name":"Wheeze","score":0.4762306809425354},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.44662928581237793},{"id":"https://openalex.org/keywords/polyphony","display_name":"Polyphony","score":0.4419844150543213},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.43877720832824707},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.08855864405632019},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.07581731677055359}],"concepts":[{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.7024273872375488},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.6508689522743225},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6058129072189331},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.5304989814758301},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.528844952583313},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5282513499259949},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.522696852684021},{"id":"https://openalex.org/C2778338976","wikidata":"https://www.wikidata.org/wiki/Q517104","display_name":"Wheeze","level":3,"score":0.4762306809425354},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.44662928581237793},{"id":"https://openalex.org/C128979739","wikidata":"https://www.wikidata.org/wiki/Q179465","display_name":"Polyphony","level":2,"score":0.4419844150543213},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.43877720832824707},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.08855864405632019},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.07581731677055359},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C2776042228","wikidata":"https://www.wikidata.org/wiki/Q35869","display_name":"Asthma","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D001499","descriptor_name":"Bayes Theorem","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001499","descriptor_name":"Bayes Theorem","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001499","descriptor_name":"Bayes Theorem","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012135","descriptor_name":"Respiratory Sounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012135","descriptor_name":"Respiratory Sounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012135","descriptor_name":"Respiratory Sounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016000","descriptor_name":"Cluster Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016000","descriptor_name":"Cluster Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016000","descriptor_name":"Cluster Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2015.7319615","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319615","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:26737515","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26737515","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}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.6499999761581421,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W27932798","https://openalex.org/W178628438","https://openalex.org/W1524183799","https://openalex.org/W2028709512","https://openalex.org/W2103260989","https://openalex.org/W2106987119","https://openalex.org/W2124954038","https://openalex.org/W2125812642","https://openalex.org/W2162059064","https://openalex.org/W2327109843","https://openalex.org/W6631611901"],"related_works":["https://openalex.org/W2391959412","https://openalex.org/W2126100045","https://openalex.org/W3003836766","https://openalex.org/W2974852952","https://openalex.org/W279723000","https://openalex.org/W2154250574","https://openalex.org/W4253160043","https://openalex.org/W2122259043","https://openalex.org/W2935967304","https://openalex.org/W3197541072"],"abstract_inverted_index":{"The":[0],"aim":[1],"of":[2,35,57,129,165],"this":[3],"study":[4],"is":[5,38,46],"monophonic-polyphonic":[6],"wheeze":[7,14,32,135],"episode":[8,17],"discrimination":[9],"rather":[10],"than":[11],"the":[12,36,44,62,65,78,83,91,140,143],"conventional":[13],"(versus":[15],"non-wheeze)":[16],"detection.":[18],"We":[19],"used":[20,105,138],"two":[21],"different":[22],"methods":[23,37,87],"for":[24,149,155,162],"feature":[25],"extraction":[26],"to":[27,60,76],"discriminate":[28],"monophonic":[29,131],"and":[30,43,94,110,118,132,160],"polyphonic":[31,134],"episodes.":[33],"One":[34],"based":[39,47,53,70,99,152,158],"on":[40,48,90],"frequency":[41,156],"analysis":[42,52,69],"other":[45],"time":[49,84,150],"analysis.":[50],"Frequency":[51],"method":[54,71],"uses":[55,72],"ratios":[56],"quartile":[58],"frequencies":[59],"exploit":[61,77],"difference":[63,79],"in":[64,80,82,106,111,124,139],"power":[66],"spectrum.":[67],"Time":[68],"mean":[73],"crossing":[74],"irregularity":[75],"periodicity":[81],"domain.":[85],"Both":[86],"are":[88,104,122,137,147],"applied":[89],"data":[92],"before":[93],"after":[95],"an":[96],"image":[97],"processing":[98],"preprocessing":[100],"step.":[101],"Calculated":[102],"features":[103],"classification":[107,145],"both":[108],"individually":[109],"combinations.":[112],"Support":[113],"vector":[114],"machine,":[115],"k-nearest":[116],"neighbor":[117],"Naive":[119],"Bayesian":[120],"classifiers":[121],"adopted":[123],"leave-one-out":[125],"scheme.":[126],"A":[127],"total":[128],"121":[130],"110":[133],"episodes":[136],"experiments,":[141],"where":[142],"best":[144,167],"performances":[146],"71.45%":[148],"domain":[151,157],"features,":[153,159],"68.43%":[154],"75.78%":[161],"a":[163],"combination":[164],"selected":[166],"features.":[168]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}