{"id":"https://openalex.org/W2020294581","doi":"https://doi.org/10.1109/embc.2012.6347121","title":"A clip-free eyeglasses-based wearable monitoring device for measuring photoplethysmograhic signals","display_name":"A clip-free eyeglasses-based wearable monitoring device for measuring photoplethysmograhic signals","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W2020294581","doi":"https://doi.org/10.1109/embc.2012.6347121","mag":"2020294581","pmid":"https://pubmed.ncbi.nlm.nih.gov/23367056"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2012.6347121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6347121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","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/A5075152032","display_name":"Yali Zheng","orcid":"https://orcid.org/0000-0002-6215-1694"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yali Zheng","raw_affiliation_strings":["Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong","Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084512487","display_name":"Brian Leung","orcid":"https://orcid.org/0000-0002-8323-9628"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"B. Leung","raw_affiliation_strings":["Department of Surgery, Chinese University of Hong Kong, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045352504","display_name":"Soyibou Sy","orcid":null},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"S. Sy","raw_affiliation_strings":["Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070333614","display_name":"Yuan\u2010Ting Zhang","orcid":"https://orcid.org/0000-0003-4150-5470"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Yuanting Zhang","raw_affiliation_strings":["Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China","Key Laboratory for Health Informatics, Chinese Academy of Sciences, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Chinese University of Hong Kong, Sha Tin, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Key Laboratory for Health Informatics, Chinese Academy of Sciences, Shenzhen, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015802672","display_name":"Carmen C. Y. Poon","orcid":"https://orcid.org/0000-0001-7717-4752"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"C. C. Y. Poon","raw_affiliation_strings":["Department of Surgery, Chinese University of Hong Kong, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.4555,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.96978417,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2012","issue":null,"first_page":"5022","last_page":"5025"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"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":0.9998999834060669,"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/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T13248","display_name":"Healthcare Technology and Patient Monitoring","score":0.9898999929428101,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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":0.8440749645233154},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.6466713547706604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49553239345550537},{"id":"https://openalex.org/keywords/nose","display_name":"Nose","score":0.4484984576702118},{"id":"https://openalex.org/keywords/treadmill","display_name":"Treadmill","score":0.4242810606956482},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.32443416118621826},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.30989861488342285},{"id":"https://openalex.org/keywords/physical-therapy","display_name":"Physical therapy","score":0.13044369220733643},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.10873338580131531},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.07279157638549805}],"concepts":[{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.8440749645233154},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.6466713547706604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49553239345550537},{"id":"https://openalex.org/C2778311950","wikidata":"https://www.wikidata.org/wiki/Q7363","display_name":"Nose","level":2,"score":0.4484984576702118},{"id":"https://openalex.org/C2781464450","wikidata":"https://www.wikidata.org/wiki/Q839144","display_name":"Treadmill","level":2,"score":0.4242810606956482},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.32443416118621826},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.30989861488342285},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.13044369220733643},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.10873338580131531},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.07279157638549805},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005139","descriptor_name":"Eyeglasses","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005139","descriptor_name":"Eyeglasses","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005139","descriptor_name":"Eyeglasses","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":"Q000502","qualifier_name":"physiology","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":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017216","descriptor_name":"Telemedicine","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017216","descriptor_name":"Telemedicine","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017216","descriptor_name":"Telemedicine","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2012.6347121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6347121","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},{"id":"pmid:23367056","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23367056","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":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.6299999952316284}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1981341256","https://openalex.org/W1996558475","https://openalex.org/W2017271435","https://openalex.org/W2021674224","https://openalex.org/W2031137127","https://openalex.org/W2042789964","https://openalex.org/W2042809875","https://openalex.org/W2049051623","https://openalex.org/W2055800005","https://openalex.org/W2083872334","https://openalex.org/W2124864282","https://openalex.org/W2143428794","https://openalex.org/W2155589764","https://openalex.org/W2156014240","https://openalex.org/W2158319938","https://openalex.org/W2167925220","https://openalex.org/W3140994876"],"related_works":["https://openalex.org/W2732360296","https://openalex.org/W1994871954","https://openalex.org/W4297152434","https://openalex.org/W2072858761","https://openalex.org/W1540261775","https://openalex.org/W4200107443","https://openalex.org/W4239033438","https://openalex.org/W1968279762","https://openalex.org/W4205793574","https://openalex.org/W4225612652"],"abstract_inverted_index":{"An":[0,51],"eyeglasses-based":[1],"device":[2,18,162],"has":[3,163],"been":[4],"developed":[5],"in":[6,31,169,173],"this":[7,160],"work":[8],"to":[9,21,67,111,166],"acquire":[10],"photoplethysmogram":[11],"(PPG)":[12],"from":[13,34,78,86,104,115,126,146],"the":[14,43,69,72,121,170,174],"nose":[15,82,105,129,140],"bridge.":[16],"This":[17],"is":[19,40],"aimed":[20],"provide":[22],"wearable":[23,161],"physiological":[24],"monitoring":[25],"without":[26],"uncomfortable":[27],"clips":[28],"frequently":[29],"used":[30,151,168],"PPG":[32,77,102,145],"measurement":[33],"finger":[35,116],"and":[36,45,56,76,81,91,106,128,142],"ear.":[37],"Switching":[38],"control":[39],"applied":[41],"on":[42,137],"LED":[44],"photo":[46],"detector":[47],"for":[48,152],"power":[49],"saving.":[50],"experiment":[52],"involving":[53],"postural":[54],"change":[55],"treadmill":[57],"jogging":[58],"among":[59],"10":[60],"healthy":[61],"young":[62],"subjects":[63],"was":[64],"carried":[65],"out":[66],"evaluate":[68],"performance":[70],"of":[71],"device.":[73],"Electrocardiogram":[74],"(ECG)":[75],"finger,":[79],"ear":[80,107,127,138],"were":[83,96],"simultaneously":[84],"recorded,":[85],"which":[87],"heart":[88],"rate":[89],"(HR)":[90],"pulse":[92],"transit":[93],"time":[94],"(PTT)":[95],"calculated.":[97],"The":[98],"results":[99],"show":[100],"that":[101,131,144,159],"measured":[103,125],"are":[108],"more":[109],"resistant":[110],"motion":[112],"than":[113],"signal":[114],"during":[117],"exercise.":[118],"In":[119],"addition,":[120],"difference":[122],"between":[123],"PTT":[124],"indicates":[130],"local":[132],"vasomotor":[133],"activities":[134],"may":[135],"exist":[136],"and/or":[139],"channel,":[141],"suggests":[143],"different":[147],"sites":[148],"should":[149],"be":[150,167],"cuff-less":[153],"PTT-based":[154],"BP":[155],"estimation.":[156],"We":[157],"conclude":[158],"great":[164],"potential":[165],"healthcare":[171],"management":[172],"future.":[175]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}