{"id":"https://openalex.org/W148514033","doi":"https://doi.org/10.1007/978-3-540-70994-7_31","title":"Reflective Photoplethysmograph Earpiece Sensor for Ubiquitous Heart Rate Monitoring","display_name":"Reflective Photoplethysmograph Earpiece Sensor for Ubiquitous Heart Rate Monitoring","publication_year":2007,"publication_date":"2007-05-03","ids":{"openalex":"https://openalex.org/W148514033","doi":"https://doi.org/10.1007/978-3-540-70994-7_31","mag":"148514033"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-70994-7_31","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-70994-7_31","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IFMBE Proceedings","raw_type":"book-chapter"},"type":"book-chapter","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/A5100435824","display_name":"Lei Wang","orcid":"https://orcid.org/0000-0002-0091-0931"},"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":true,"raw_author_name":"Lei Wang","raw_affiliation_strings":["Department of Computing, Imperial College London, London, UK, SW7 2RH"],"affiliations":[{"raw_affiliation_string":"Department of Computing, Imperial College London, London, UK, SW7 2RH","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063187094","display_name":"Benny Lo","orcid":"https://orcid.org/0000-0002-5080-108X"},"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":"B. Lo","raw_affiliation_strings":["Department of Computing, Imperial College London, London, UK, SW7 2RH"],"affiliations":[{"raw_affiliation_string":"Department of Computing, Imperial College London, London, UK, SW7 2RH","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100436460","display_name":"Guang Yang","orcid":"https://orcid.org/0000-0001-7344-7733"},"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":"G. Z. Yang","raw_affiliation_strings":["Department of Computing, Imperial College London, London, UK, SW7 2RH"],"affiliations":[{"raw_affiliation_string":"Department of Computing, Imperial College London, London, UK, SW7 2RH","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100435824"],"corresponding_institution_ids":["https://openalex.org/I47508984"],"apc_list":null,"apc_paid":null,"fwci":4.2735,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.93912584,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"179","last_page":"183"},"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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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":0.9909999966621399,"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":0.8879721760749817},{"id":"https://openalex.org/keywords/earlobe","display_name":"Earlobe","score":0.8147327899932861},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5409314632415771},{"id":"https://openalex.org/keywords/photodiode","display_name":"Photodiode","score":0.5302174687385559},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4034357964992523},{"id":"https://openalex.org/keywords/biomedical-engineering","display_name":"Biomedical engineering","score":0.39197084307670593},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.31854748725891113},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2689622640609741},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1818731725215912},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.15949925780296326},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.14067113399505615},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09889540076255798},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.0923115611076355}],"concepts":[{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.8879721760749817},{"id":"https://openalex.org/C2778604196","wikidata":"https://www.wikidata.org/wiki/Q1778517","display_name":"Earlobe","level":2,"score":0.8147327899932861},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5409314632415771},{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.5302174687385559},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4034357964992523},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.39197084307670593},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.31854748725891113},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2689622640609741},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1818731725215912},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.15949925780296326},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.14067113399505615},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09889540076255798},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.0923115611076355},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-540-70994-7_31","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-70994-7_31","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IFMBE Proceedings","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.41999998688697815}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W95821903","https://openalex.org/W261122198","https://openalex.org/W1482632375","https://openalex.org/W1544879868","https://openalex.org/W1607862065","https://openalex.org/W1620992469","https://openalex.org/W2032268434","https://openalex.org/W2032660377","https://openalex.org/W2056044157","https://openalex.org/W2096706278","https://openalex.org/W2122591104","https://openalex.org/W2130199628","https://openalex.org/W2132800880","https://openalex.org/W2159079926","https://openalex.org/W2255363334","https://openalex.org/W4230516584","https://openalex.org/W4232851490"],"related_works":["https://openalex.org/W4285095931","https://openalex.org/W2986828764","https://openalex.org/W4388821427","https://openalex.org/W2789777954","https://openalex.org/W3217672291","https://openalex.org/W4298002225","https://openalex.org/W4321847238","https://openalex.org/W2088741116","https://openalex.org/W2777534421","https://openalex.org/W2067862553"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
