{"id":"https://openalex.org/W4411403523","doi":"https://doi.org/10.1145/3729472","title":"SputumLocator: Enhancing Airway Clearance with Auscultation-based Sputum Localization","display_name":"SputumLocator: Enhancing Airway Clearance with Auscultation-based Sputum Localization","publication_year":2025,"publication_date":"2025-06-09","ids":{"openalex":"https://openalex.org/W4411403523","doi":"https://doi.org/10.1145/3729472"},"language":"en","primary_location":{"id":"doi:10.1145/3729472","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3729472","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","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/A5018366693","display_name":"Yanbin Gong","orcid":"https://orcid.org/0000-0001-6044-4146"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yanbin Gong","raw_affiliation_strings":["CSE, The Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":"https://orcid.org/0000-0001-6044-4146","affiliations":[{"raw_affiliation_string":"CSE, The Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040729728","display_name":"Wentao Xie","orcid":"https://orcid.org/0000-0002-7858-4419"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wentao Xie","raw_affiliation_strings":["CSE, The Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":"https://orcid.org/0000-0002-7858-4419","affiliations":[{"raw_affiliation_string":"CSE, The Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100607158","display_name":"Chi Xu","orcid":"https://orcid.org/0009-0000-7036-7148"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chi Xu","raw_affiliation_strings":["CSE, The Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":"https://orcid.org/0009-0000-7036-7148","affiliations":[{"raw_affiliation_string":"CSE, The Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114378267","display_name":"Qian Zhang","orcid":"https://orcid.org/0000-0001-9205-1881"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qian Zhang","raw_affiliation_strings":["CSE, The Hong Kong University of Science and Technology, Hong Kong SAR"],"raw_orcid":"https://orcid.org/0000-0001-9205-1881","affiliations":[{"raw_affiliation_string":"CSE, The Hong Kong University of Science and Technology, Hong Kong SAR","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100553216","display_name":"Shifang Yang","orcid":"https://orcid.org/0009-0005-7025-4473"},"institutions":[{"id":"https://openalex.org/I4210153930","display_name":"Guangdong Provincial People's Hospital","ror":"https://ror.org/045kpgw45","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210153930"]},{"id":"https://openalex.org/I58200834","display_name":"Southern Medical University","ror":"https://ror.org/01vjw4z39","country_code":"CN","type":"education","lineage":["https://openalex.org/I58200834"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shifang Yang","raw_affiliation_strings":["Department of Pulmonary and Critical Care Medicine, Guangdong Provincial People's Hospital and Southern Medical University, China"],"raw_orcid":"https://orcid.org/0009-0005-7025-4473","affiliations":[{"raw_affiliation_string":"Department of Pulmonary and Critical Care Medicine, Guangdong Provincial People's Hospital and Southern Medical University, China","institution_ids":["https://openalex.org/I58200834","https://openalex.org/I4210153930"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.836,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.85179622,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"9","issue":"2","first_page":"1","last_page":"28"},"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":0.9904000163078308,"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/T10283","display_name":"Hearing Loss and Rehabilitation","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sputum","display_name":"Sputum","score":0.8363977670669556},{"id":"https://openalex.org/keywords/auscultation","display_name":"Auscultation","score":0.7490053176879883},{"id":"https://openalex.org/keywords/percussion","display_name":"Percussion","score":0.7279129028320312},{"id":"https://openalex.org/keywords/airway","display_name":"Airway","score":0.5713504552841187},{"id":"https://openalex.org/keywords/crackles","display_name":"Crackles","score":0.5632622838020325},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5246931910514832},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.5056712627410889},{"id":"https://openalex.org/keywords/intensive-care-medicine","display_name":"Intensive care medicine","score":0.4245254397392273},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.37822940945625305},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.35340166091918945},{"id":"https://openalex.org/keywords/pathology","display_name":"Pathology","score":0.2086101472377777},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.18026429414749146},{"id":"https://openalex.org/keywords/physical-examination","display_name":"Physical examination","score":0.17628270387649536},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.1749182641506195},{"id":"https://openalex.org/keywords/tuberculosis","display_name":"Tuberculosis","score":0.12854960560798645}],"concepts":[{"id":"https://openalex.org/C2776301714","wikidata":"https://www.wikidata.org/wiki/Q259346","display_name":"Sputum","level":3,"score":0.8363977670669556},{"id":"https://openalex.org/C2777324038","wikidata":"https://www.wikidata.org/wiki/Q779054","display_name":"Auscultation","level":2,"score":0.7490053176879883},{"id":"https://openalex.org/C81687914","wikidata":"https://www.wikidata.org/wiki/Q1501797","display_name":"Percussion","level":2,"score":0.7279129028320312},{"id":"https://openalex.org/C105922876","wikidata":"https://www.wikidata.org/wiki/Q1423981","display_name":"Airway","level":2,"score":0.5713504552841187},{"id":"https://openalex.org/C2780908675","wikidata":"https://www.wikidata.org/wiki/Q973331","display_name":"Crackles","level":3,"score":0.5632622838020325},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5246931910514832},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5056712627410889},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.4245254397392273},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.37822940945625305},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35340166091918945},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.2086101472377777},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.18026429414749146},{"id":"https://openalex.org/C527108885","wikidata":"https://www.wikidata.org/wiki/Q835153","display_name":"Physical examination","level":2,"score":0.17628270387649536},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.1749182641506195},{"id":"https://openalex.org/C2781069245","wikidata":"https://www.wikidata.org/wiki/Q12204","display_name":"Tuberculosis","level":2,"score":0.12854960560798645}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3729472","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3729472","pdf_url":null,"source":{"id":"https://openalex.org/S4210219751","display_name":"Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies","issn_l":"2474-9567","issn":["2474-9567"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-150257","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-150257","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":63,"referenced_works":["https://openalex.org/W1512133649","https://openalex.org/W1513801117","https://openalex.org/W1887511428","https://openalex.org/W2043392634","https://openalex.org/W2051405428","https://openalex.org/W2065726711","https://openalex.org/W2075109859","https://openalex.org/W2105545551","https://openalex.org/W2106435324","https://openalex.org/W2149588950","https://openalex.org/W2170748564","https://openalex.org/W2194775991","https://openalex.org/W2315864625","https://openalex.org/W2343041920","https://openalex.org/W2471074815","https://openalex.org/W2593463961","https://openalex.org/W2606284034","https://openalex.org/W2754237511","https://openalex.org/W2756058504","https://openalex.org/W2762234646","https://openalex.org/W2783539613","https://openalex.org/W2783985400","https://openalex.org/W2884585870","https://openalex.org/W2912223386","https://openalex.org/W2913593702","https://openalex.org/W2918981145","https://openalex.org/W2945205984","https://openalex.org/W2955745546","https://openalex.org/W2964770898","https://openalex.org/W2968272386","https://openalex.org/W3008218702","https://openalex.org/W3029885810","https://openalex.org/W3083231381","https://openalex.org/W3093345880","https://openalex.org/W3128156084","https://openalex.org/W3162391496","https://openalex.org/W3186007981","https://openalex.org/W3196974791","https://openalex.org/W3197097128","https://openalex.org/W3199069548","https://openalex.org/W3199150850","https://openalex.org/W3205743929","https://openalex.org/W4205689591","https://openalex.org/W4224917537","https://openalex.org/W4236965008","https://openalex.org/W4284889004","https://openalex.org/W4307794633","https://openalex.org/W4313156423","https://openalex.org/W4366670675","https://openalex.org/W4372341324","https://openalex.org/W4379033992","https://openalex.org/W4381427410","https://openalex.org/W4385822870","https://openalex.org/W4386003049","https://openalex.org/W4387032904","https://openalex.org/W4387087216","https://openalex.org/W4387268115","https://openalex.org/W4389452727","https://openalex.org/W4390986875","https://openalex.org/W4394862844","https://openalex.org/W4398693416","https://openalex.org/W4402350910","https://openalex.org/W4402965399"],"related_works":["https://openalex.org/W3125877306","https://openalex.org/W163277568","https://openalex.org/W3216356660","https://openalex.org/W340386","https://openalex.org/W4280540323","https://openalex.org/W2158394743","https://openalex.org/W2473954324","https://openalex.org/W2426216894","https://openalex.org/W3020566448","https://openalex.org/W156989243"],"abstract_inverted_index":{"Airway":[0],"clearance":[1,15],"is":[2,24,38,66,129,175],"essential":[3],"for":[4,26,43,81,131],"managing":[5],"Muco-Obstructive":[6],"Lung":[7],"Diseases":[8],"(MOLDs).":[9],"Percussion,":[10],"a":[11,195,213,229,244,255],"widely":[12],"used":[13],"airway":[14],"technique":[16],"(ACT)":[17],"in":[18,167,209],"community":[19,132],"and":[20,40,46,96,128,177,190,199,239,268,290,301],"home":[21,134],"care":[22,135],"settings,":[23],"favored":[25],"its":[27,63],"ease":[28],"of":[29,171,223,285,288,292],"implementation":[30],"compared":[31],"to":[32,57,94,108,163,205],"other":[33,118],"complex":[34],"techniques.":[35],"However,":[36],"percussion":[37,52,76],"time-consuming":[39],"physically":[41],"demanding":[42],"both":[44],"caregivers":[45,49],"patients,":[47],"as":[48],"typically":[50,84],"perform":[51],"on":[53,86,155,233,235,261],"the":[54,75,168,172,220],"entire":[55],"back":[56],"avoid":[58],"missing":[59],"accumulated":[60,165],"sputum":[61,70,82,151,166,207,225],"when":[62],"exact":[64],"location":[65],"unknown.":[67],"Therefore,":[68],"accurate":[69],"localization":[71,83,152],"can":[72],"significantly":[73],"enhance":[74],"experience.":[77],"Current":[78],"clinical":[79,119,126],"methods":[80],"rely":[85],"imaging":[87],"techniques,":[88],"which":[89,174,185,201],"are":[90,97,140],"costly,":[91],"expose":[92],"patients":[93,263],"radiation,":[95],"usually":[98],"performed":[99],"only":[100],"once":[101],"during":[102],"diagnosis,":[103],"thereby":[104],"limiting":[105],"their":[106,191],"application":[107],"inpatient":[109],"settings.":[110],"Alternatively,":[111],"some":[112],"medical":[113,138,256],"professionals":[114],"combine":[115],"auscultation":[116,161],"with":[117,254,264,281],"assessments,":[120],"but":[121],"this":[122],"approach":[123],"requires":[124],"substantial":[125],"experience":[127],"impractical":[130],"or":[133],"settings":[136],"where":[137],"experts":[139],"unavailable.":[141],"To":[142],"address":[143],"these":[144,203],"limitations,":[145],"we":[146,227,258],"introduce":[147],"SputumLocator,":[148],"an":[149,282],"innovative":[150],"system":[153],"based":[154,232],"digital":[156],"stethoscopes.":[157],"SputumLocator":[158,180,260,277],"leverages":[159],"standard":[160],"procedures":[162],"detect":[164],"four":[169],"quadrants":[170],"back,":[173],"straightforward":[176],"highly":[178],"practical.":[179],"comprises":[181],"two":[182],"components:":[183],"SputumEmbedder,":[184],"extracts":[186],"key":[187],"abnormal":[188],"sounds":[189],"spatial":[192],"features":[193,204],"using":[194],"Transformer-based":[196],"feature":[197],"extractor,":[198],"SputumClassifier,":[200],"maps":[202],"determine":[206],"presence":[208],"each":[210],"region":[211],"via":[212],"Convolutional":[214],"Block":[215],"Attention":[216],"Module":[217],"(CBAM).":[218],"Given":[219],"limited":[221],"availability":[222],"annotated":[224],"data,":[226],"developed":[228],"pretraining":[230],"method":[231],"Embedding":[234],"Masked":[236],"Data":[237],"(EOM)":[238],"enhanced":[240],"model":[241],"robustness":[242,295],"through":[243],"Teacher-Student":[245],"Architecture":[246],"(TSA)":[247],"that":[248,276],"integrates":[249],"noisy":[250],"data.":[251],"In":[252],"collaboration":[253],"institution,":[257],"evaluate":[259],"43":[262],"diverse":[265],"physiological":[266],"characteristics":[267],"under":[269],"varying":[270],"recording":[271],"conditions.":[272],"Experimental":[273],"results":[274],"demonstrate":[275],"achieves":[278],"high":[279],"accuracy":[280],"overall":[283],"sensitivity":[284],"0.97,":[286],"specificity":[287],"0.82,":[289],"F1-Score":[291],"0.83,":[293],"maintaining":[294],"across":[296],"different":[297],"thoracic":[298],"regions,":[299],"genders,":[300],"disease":[302],"types.":[303]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}