{"id":"https://openalex.org/W2906859444","doi":"https://doi.org/10.1109/icsens.2018.8589611","title":"Estimation of Beat-to-Beat Interval from Wearable Photoplethysmography Sensor on Different Measurement Sites During Daily Activities","display_name":"Estimation of Beat-to-Beat Interval from Wearable Photoplethysmography Sensor on Different Measurement Sites During Daily Activities","publication_year":2018,"publication_date":"2018-10-01","ids":{"openalex":"https://openalex.org/W2906859444","doi":"https://doi.org/10.1109/icsens.2018.8589611","mag":"2906859444"},"language":"en","primary_location":{"id":"doi:10.1109/icsens.2018.8589611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsens.2018.8589611","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE SENSORS","raw_type":"proceedings-article"},"type":"conference-paper","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/A5000253980","display_name":"Fatma Patlar Akbulut","orcid":"https://orcid.org/0000-0002-9689-7486"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fatma Patlar Akbulut","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065011883","display_name":"Kevin Lawless","orcid":null},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kevin Lawless","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083019186","display_name":"Akhilesh Tanneeru","orcid":"https://orcid.org/0000-0002-8268-6135"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Akhilesh Tanneeru","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103215287","display_name":"Smriti Rao","orcid":"https://orcid.org/0000-0003-4093-0918"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Smriti Rao","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032602895","display_name":"Bongmook Lee","orcid":"https://orcid.org/0000-0001-6574-3233"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bongmook Lee","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005287576","display_name":"Veena Misra","orcid":"https://orcid.org/0000-0002-4528-8744"},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Veena Misra","raw_affiliation_strings":["Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USA","institution_ids":["https://openalex.org/I137902535"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I137902535"],"apc_list":null,"apc_paid":null,"fwci":1.0366,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.75331412,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":1.0,"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":1.0,"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":0.9980999827384949,"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/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9952999949455261,"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":0.8289531469345093},{"id":"https://openalex.org/keywords/spectrogram","display_name":"Spectrogram","score":0.7175570726394653},{"id":"https://openalex.org/keywords/beat","display_name":"Beat (acoustics)","score":0.6406283378601074},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5534473061561584},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5498299598693848},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.4936026334762573},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46122270822525024},{"id":"https://openalex.org/keywords/rr-interval","display_name":"RR interval","score":0.44609737396240234},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.42031538486480713},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3907289505004883},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.37263673543930054},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.32012951374053955},{"id":"https://openalex.org/keywords/heart-rate","display_name":"Heart rate","score":0.2740885019302368},{"id":"https://openalex.org/keywords/heart-rate-variability","display_name":"Heart rate variability","score":0.22797921299934387},{"id":"https://openalex.org/keywords/blood-pressure","display_name":"Blood pressure","score":0.09768864512443542},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09543907642364502},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.08907940983772278},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.08857634663581848},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.07578551769256592}],"concepts":[{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.8289531469345093},{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.7175570726394653},{"id":"https://openalex.org/C189809214","wikidata":"https://www.wikidata.org/wiki/Q829522","display_name":"Beat (acoustics)","level":2,"score":0.6406283378601074},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5534473061561584},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5498299598693848},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.4936026334762573},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46122270822525024},{"id":"https://openalex.org/C2908688587","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"RR interval","level":5,"score":0.44609737396240234},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.42031538486480713},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3907289505004883},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.37263673543930054},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.32012951374053955},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.2740885019302368},{"id":"https://openalex.org/C71635504","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"Heart rate variability","level":4,"score":0.22797921299934387},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.09768864512443542},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09543907642364502},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.08907940983772278},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.08857634663581848},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.07578551769256592},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/icsens.2018.8589611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsens.2018.8589611","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE SENSORS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320310013","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2042732898","https://openalex.org/W2083872334","https://openalex.org/W2135573418","https://openalex.org/W2159772818","https://openalex.org/W2204117563","https://openalex.org/W2213672292","https://openalex.org/W2292374408","https://openalex.org/W2485205055","https://openalex.org/W2620042309","https://openalex.org/W2742338588","https://openalex.org/W6738732546"],"related_works":["https://openalex.org/W2732360296","https://openalex.org/W1994871954","https://openalex.org/W4297152434","https://openalex.org/W2072858761","https://openalex.org/W4205793574","https://openalex.org/W4225612652","https://openalex.org/W2080543223","https://openalex.org/W2168752508","https://openalex.org/W2059724372","https://openalex.org/W340516115"],"abstract_inverted_index":{"In":[0],"this":[1],"study,":[2],"we":[3],"present":[4],"an":[5],"algorithm":[6,48,85],"to":[7,39,55,78],"detect":[8],"beat-to-beat":[9],"interval":[10],"from":[11,74,92,112,122],"PPG":[12,83,115],"in":[13],"the":[14,57,61,105,123],"presence":[15],"of":[16,60],"motion":[17,41],"artifacts.":[18],"Our":[19],"approach":[20],"includes":[21],"splitting":[22],"slowly":[23],"varying":[24],"DC":[25],"components,":[26],"statistical":[27],"detrending,":[28],"and":[29,32,66,109],"Bessel":[30],"filtering":[31],"Fast":[33],"Fourier":[34],"Transform":[35],"with":[36,52],"square":[37],"window":[38],"reduce":[40],"artifacts":[42],"dependent":[43],"on":[44],"spectrum":[45],"analysis.":[46],"The":[47,82,101],"segments":[49],"beat":[50],"intervals":[51,70,91],"a":[53,113],"spectrogram":[54],"find":[56],"characteristic":[58,76],"points":[59,77],"waveform":[62],"such":[63],"as":[64],"systolic":[65],"diastolic":[67],"points.":[68],"Interbeat":[69],"(IBI)":[71],"are":[72],"determined":[73],"these":[75],"calculate":[79],"heart":[80],"rate.":[81],"IBI":[84,108],"is":[86,121],"validated":[87],"against":[88],"ECG":[89],"RR":[90],"five":[93],"different":[94],"measurement":[95],"sites":[96],"during":[97,117],"three":[98],"daily":[99],"activities.":[100],"results":[102],"show":[103],"that":[104],"most":[106],"accurate":[107],"HR":[110],"detection":[111],"wearable":[114],"device":[116],"regular":[118],"user":[119],"activity":[120],"upper":[124],"arm":[125],"or":[126],"finger.":[127]},"counts_by_year":[{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}