{"id":"https://openalex.org/W4377986027","doi":"https://doi.org/10.2352/cic.2015.23.1.art00037","title":"Non-Contact Video Based Estimation for Heart Rate Variability Spectrogram using Ambient Light by Extracting Hemoglobin Information","display_name":"Non-Contact Video Based Estimation for Heart Rate Variability Spectrogram using Ambient Light by Extracting Hemoglobin Information","publication_year":2015,"publication_date":"2015-10-18","ids":{"openalex":"https://openalex.org/W4377986027","doi":"https://doi.org/10.2352/cic.2015.23.1.art00037"},"language":"en","primary_location":{"id":"doi:10.2352/cic.2015.23.1.art00037","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2015.23.1.art00037","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/23/1/art00037","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/23/1/art00037","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102282901","display_name":"Kouki Kurita","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kouki Kurita","raw_affiliation_strings":["Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083838841","display_name":"Taku Yonezawa","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Taku Yonezawa","raw_affiliation_strings":["Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036804640","display_name":"Mai Kuroshima","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mai Kuroshima","raw_affiliation_strings":["Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109934226","display_name":"Norimichi Tsumura","orcid":null},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Norimichi Tsumura","raw_affiliation_strings":["Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN"],"affiliations":[{"raw_affiliation_string":"Graduate School of Advanced Integration Science , Chiba University , CHIBA , JAPAN","institution_ids":["https://openalex.org/I159385669"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102282901"],"corresponding_institution_ids":["https://openalex.org/I159385669"],"apc_list":null,"apc_paid":null,"fwci":1.0863,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.78127461,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"23","issue":"1","first_page":"207","last_page":"211"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9638000130653381,"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":0.9638000130653381,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/spectrogram","display_name":"Spectrogram","score":0.9281812906265259},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6101517677307129},{"id":"https://openalex.org/keywords/heart-rate-variability","display_name":"Heart rate variability","score":0.5886801481246948},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5748686790466309},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4766305685043335},{"id":"https://openalex.org/keywords/heart-rate","display_name":"Heart rate","score":0.43330830335617065},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.41930168867111206},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.32031238079071045},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.17736268043518066},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.151368647813797},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.12847694754600525}],"concepts":[{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.9281812906265259},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6101517677307129},{"id":"https://openalex.org/C71635504","wikidata":"https://www.wikidata.org/wiki/Q933954","display_name":"Heart rate variability","level":4,"score":0.5886801481246948},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5748686790466309},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4766305685043335},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.43330830335617065},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.41930168867111206},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.32031238079071045},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.17736268043518066},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.151368647813797},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.12847694754600525},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2352/cic.2015.23.1.art00037","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2015.23.1.art00037","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/23/1/art00037","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2352/cic.2015.23.1.art00037","is_oa":true,"landing_page_url":"http://dx.doi.org/10.2352/cic.2015.23.1.art00037","pdf_url":"https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/23/1/art00037","source":{"id":"https://openalex.org/S4210193667","display_name":"Color and Imaging Conference","issn_l":"2166-9635","issn":["2166-9635","2169-2629"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Color and Imaging Conference","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.5799999833106995,"display_name":"Good health and well-being"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4377986027.pdf","grobid_xml":"https://content.openalex.org/works/W4377986027.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2530685530","https://openalex.org/W4375868962","https://openalex.org/W2011227383","https://openalex.org/W2088854863","https://openalex.org/W3179495260","https://openalex.org/W1976719989","https://openalex.org/W3127543252","https://openalex.org/W2065606036","https://openalex.org/W2942893872","https://openalex.org/W2016904525"],"abstract_inverted_index":{"Non-contact":[0],"video":[1],"based":[2],"heart":[3,29,48,69],"rate":[4,30,49,70],"estimation":[5,86],"has":[6],"great":[7],"various":[8],"potential":[9],"in":[10],"areas":[11],"such":[12],"as":[13],"medical,":[14],"health":[15],"care,":[16],"and":[17,83,129],"affective":[18],"computing.":[19],"Recently,":[20],"the":[21,37,63,115,133],"methods":[22,41],"using":[23,148],"a":[24,79,110,120],"digital":[25],"camera":[26],"for":[27],"remote":[28],"(HR)":[31],"measurement":[32],"are":[33,42,55],"widely":[34],"spread.":[35],"However,":[36],"accuracy":[38,126,135],"of":[39,81,127],"these":[40],"not":[43,99],"sufficient":[44],"enough":[45],"to":[46,108,140],"calculate":[47],"variability":[50,71],"(HRV)":[51],"accurately.":[52],"If":[53],"HRV":[54,84,130],"measured":[56],"with":[57,132],"high":[58],"accuracy,":[59],"we":[60,77,122,138],"can":[61],"visualize":[62],"sympathetic":[64],"nerve":[65],"system":[66],"by":[67,87],"calculating":[68],"spectrogram":[72,85,131],"(HRVS).":[73],"In":[74],"this":[75],"paper,":[76],"propose":[78],"method":[80,97],"HR":[82,128],"analyzing":[88],"extracted":[89],"hemoglobin":[90],"concentration":[91],"from":[92],"facial":[93],"color":[94],"images.":[95],"Our":[96],"does":[98],"require":[100],"any":[101],"special":[102],"camera.":[103,151],"Furthermore,":[104],"it":[105],"is":[106],"possible":[107],"have":[109],"stable":[111],"presumption":[112],"even":[113],"under":[114],"ambient":[116],"light":[117],"sources.":[118],"As":[119],"result,":[121],"could":[123],"obtain":[124],"99%":[125],"same":[134],"electrocardiogram.":[136],"Therefore":[137],"succeeded":[139],"identify":[141],"whether":[142],"participants":[143],"were":[144],"relaxed":[145],"or":[146],"stressed":[147],"conventional":[149],"DSLR":[150]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2}],"updated_date":"2026-03-08T06:56:09.383167","created_date":"2025-10-10T00:00:00"}
