{"id":"https://openalex.org/W3169540871","doi":"https://doi.org/10.1109/tim.2021.3088422","title":"Acoustic Sensing as a Novel Wearable Approach for Heart Rate Variability Monitoring at the Wrist","display_name":"Acoustic Sensing as a Novel Wearable Approach for Heart Rate Variability Monitoring at the Wrist","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3169540871","doi":"https://doi.org/10.1109/tim.2021.3088422","mag":"3169540871"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2021.3088422","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2021.3088422","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","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/A5100679052","display_name":"Piyush Sharma","orcid":"https://orcid.org/0000-0001-8958-4396"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Piyush Sharma","raw_affiliation_strings":["Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0001-8958-4396","affiliations":[{"raw_affiliation_string":"Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026574215","display_name":"Esther Rodriguez\u2013Villegas","orcid":"https://orcid.org/0000-0003-1957-2044"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Esther Rodriguez-Villegas","raw_affiliation_strings":["Imperial College London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0003-1957-2044","affiliations":[{"raw_affiliation_string":"Imperial College London, London, U.K","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I47508984"],"apc_list":null,"apc_paid":null,"fwci":0.4964,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.58855278,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"70","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":0.9958999752998352,"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/photoplethysmogram","display_name":"Photoplethysmogram","score":0.8342587351799011},{"id":"https://openalex.org/keywords/heart-rate-variability","display_name":"Heart rate variability","score":0.7932267189025879},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.6036708354949951},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.58564692735672},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5660004615783691},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.5513519644737244},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.54462069272995},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4922448694705963},{"id":"https://openalex.org/keywords/wrist","display_name":"Wrist","score":0.42797189950942993},{"id":"https://openalex.org/keywords/heart-rate","display_name":"Heart rate","score":0.3809433579444885},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3496819734573364},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34147465229034424},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.33980879187583923},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3338721990585327},{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.20384415984153748},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.1945989429950714},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1344347596168518},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.13011282682418823},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.12291660904884338},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.11738026142120361},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11190566420555115},{"id":"https://openalex.org/keywords/blood-pressure","display_name":"Blood pressure","score":0.08268925547599792}],"concepts":[{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.8342587351799011},{"id":"https://openalex.org/C71635504","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"Heart rate variability","level":4,"score":0.7932267189025879},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.6036708354949951},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.58564692735672},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5660004615783691},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.5513519644737244},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.54462069272995},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4922448694705963},{"id":"https://openalex.org/C2778216619","wikidata":"https://www.wikidata.org/wiki/Q185706","display_name":"Wrist","level":2,"score":0.42797189950942993},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.3809433579444885},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3496819734573364},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34147465229034424},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.33980879187583923},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3338721990585327},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.20384415984153748},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1945989429950714},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1344347596168518},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.13011282682418823},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.12291660904884338},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.11738026142120361},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11190566420555115},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.08268925547599792},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2021.3088422","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2021.3088422","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5699999928474426,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"},{"score":0.49000000953674316,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[{"id":"https://openalex.org/G7447319930","display_name":null,"funder_award_id":"724 334","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"}],"funders":[{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1767708321","https://openalex.org/W1974618482","https://openalex.org/W1974849790","https://openalex.org/W1990044317","https://openalex.org/W2007479430","https://openalex.org/W2015795623","https://openalex.org/W2026699230","https://openalex.org/W2037549735","https://openalex.org/W2083872334","https://openalex.org/W2091314241","https://openalex.org/W2092981915","https://openalex.org/W2099619765","https://openalex.org/W2145912168","https://openalex.org/W2155063211","https://openalex.org/W2168752508","https://openalex.org/W2169785732","https://openalex.org/W2481792728","https://openalex.org/W2588671571","https://openalex.org/W2677240081","https://openalex.org/W2738956855","https://openalex.org/W2896658042","https://openalex.org/W2962778826","https://openalex.org/W2998384169","https://openalex.org/W4247598721","https://openalex.org/W4292865245","https://openalex.org/W6829862625"],"related_works":["https://openalex.org/W2732360296","https://openalex.org/W1994871954","https://openalex.org/W4297152434","https://openalex.org/W3196000489","https://openalex.org/W2092419518","https://openalex.org/W1489924780","https://openalex.org/W2135573418","https://openalex.org/W4205793574","https://openalex.org/W4225612652","https://openalex.org/W2138353306"],"abstract_inverted_index":{"Heart":[0],"rate":[1,124],"variability":[2],"(HRV)":[3],"is":[4,25,70],"an":[5,53],"important":[6],"physiological":[7],"parameter":[8],"to":[9,45,91,98,144,177],"assess":[10],"the":[11,14,29,34,65,73,79,88,93,121,131,154,158,161,164,181,185,192],"status":[12],"of":[13,61,87,110,113,130,138,153,175,183],"autonomic":[15],"nervous":[16],"system":[17],"(ANS)":[18],"and":[19,84,128,146,160,173],"diagnose":[20],"cardiovascular":[21],"diseases":[22],"(CVDs).":[23],"HRV":[24,155,186],"generally":[26],"extracted":[27],"from":[28,49,117,187],"cardiac":[30,62],"activity":[31,63],"monitored":[32],"at":[33,64,191],"chest":[35],"using":[36,52],"electrocardiography":[37],"(ECG).":[38],"This":[39],"article":[40],"presents":[41],"a":[42,107,135,169],"novel":[43],"algorithm":[44,103],"accurately":[46],"extract":[47],"HRV,":[48],"signals":[50,189],"obtained":[51,116],"innovative":[54],"wearable":[55],"approach":[56],"based":[57,71],"on":[58,72,106],"acoustic":[59,89,111,188],"sensing":[60],"wrist.":[66,193],"The":[67,102,151],"proposed":[68],"methodology":[69],"relative":[74,80,136],"energy":[75],"method,":[76],"which":[77],"utilizes":[78],"information":[81],"between":[82],"short":[83],"long-term":[85],"energies":[86],"signal":[90,100],"enhance":[92],"S1\u2019s":[94],"characteristics":[95],"in":[96,157],"comparison":[97,152],"other":[99],"transitions.":[101],"was":[104],"tested":[105],"dataset":[108],"consisting":[109],"recordings":[112],"5-min":[114],"duration":[115],"12":[118],"subjects.":[119],"For":[120],"instantaneous":[122],"heart":[123],"(IHR)":[125],"determination,":[126],"98.50%":[127],"98.96%":[129],"total":[132],"samples":[133],"achieved":[134],"error":[137],"less":[139],"than":[140],"\u00b15%":[141],"when":[142],"compared":[143],"ECG":[145],"photoplethysmography":[147],"(PPG)":[148],"signals,":[149,166],"respectively.":[150],"parameters":[156],"time-domain":[159],"frequency-domain,":[162],"with":[163],"reference":[165],"also":[167],"demonstrated":[168],"strong":[170],"statistical":[171],"agreement":[172],"correlation":[174],"close":[176],"one,":[178],"hence":[179],"proving":[180],"feasibility":[182],"extracting":[184],"recorded":[190]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
