{"id":"https://openalex.org/W4381786696","doi":"https://doi.org/10.1109/wf-iot54382.2022.10152093","title":"Construction of a Pre-frailty Detection System based on Walking Speed and Heat Maps using PIR Sensors","display_name":"Construction of a Pre-frailty Detection System based on Walking Speed and Heat Maps using PIR Sensors","publication_year":2022,"publication_date":"2022-10-26","ids":{"openalex":"https://openalex.org/W4381786696","doi":"https://doi.org/10.1109/wf-iot54382.2022.10152093"},"language":"en","primary_location":{"id":"doi:10.1109/wf-iot54382.2022.10152093","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/wf-iot54382.2022.10152093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 8th World Forum on Internet of Things (WF-IoT)","raw_type":"proceedings-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/A5075050122","display_name":"Tomihiro Utsumi","orcid":"https://orcid.org/0009-0001-2370-7143"},"institutions":[{"id":"https://openalex.org/I203765153","display_name":"Akita University","ror":"https://ror.org/03hv1ad10","country_code":"JP","type":"education","lineage":["https://openalex.org/I203765153"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Tomihiro Utsumi","raw_affiliation_strings":["Graduate school of engineering science, Akita University,Akita,Japan","Graduate school of engineering science, Akita University, Akita, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate school of engineering science, Akita University,Akita,Japan","institution_ids":["https://openalex.org/I203765153"]},{"raw_affiliation_string":"Graduate school of engineering science, Akita University, Akita, Japan","institution_ids":["https://openalex.org/I203765153"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044730038","display_name":"Masashi Hashimoto","orcid":"https://orcid.org/0000-0002-0329-5110"},"institutions":[{"id":"https://openalex.org/I203765153","display_name":"Akita University","ror":"https://ror.org/03hv1ad10","country_code":"JP","type":"education","lineage":["https://openalex.org/I203765153"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masashi Hashimoto","raw_affiliation_strings":["Graduate school of engineering science, Akita University,Akita,Japan","Graduate school of engineering science, Akita University, Akita, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate school of engineering science, Akita University,Akita,Japan","institution_ids":["https://openalex.org/I203765153"]},{"raw_affiliation_string":"Graduate school of engineering science, Akita University, Akita, Japan","institution_ids":["https://openalex.org/I203765153"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075050122"],"corresponding_institution_ids":["https://openalex.org/I203765153"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.2531788,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11011","display_name":"Frailty in Older Adults","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/2717","display_name":"Geriatrics and Gerontology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11011","display_name":"Frailty in Older Adults","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/2717","display_name":"Geriatrics and Gerontology"},"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/T10397","display_name":"Nutrition and Health in Aging","score":0.9869999885559082,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/T12279","display_name":"Body Composition Measurement Techniques","score":0.9520999789237976,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/computer-science","display_name":"Computer science","score":0.6261487007141113},{"id":"https://openalex.org/keywords/preferred-walking-speed","display_name":"Preferred walking speed","score":0.5842674374580383},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.468727707862854},{"id":"https://openalex.org/keywords/elderly-people","display_name":"Elderly people","score":0.4552927315235138},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.41810303926467896},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.4147108793258667},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.37142470479011536},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.35902148485183716},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.24216923117637634},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20190173387527466},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.18699944019317627},{"id":"https://openalex.org/keywords/gerontology","display_name":"Gerontology","score":0.16633868217468262},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.12088024616241455}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6261487007141113},{"id":"https://openalex.org/C70770792","wikidata":"https://www.wikidata.org/wiki/Q7239848","display_name":"Preferred walking speed","level":2,"score":0.5842674374580383},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.468727707862854},{"id":"https://openalex.org/C3018697994","wikidata":"https://www.wikidata.org/wiki/Q191089","display_name":"Elderly people","level":2,"score":0.4552927315235138},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.41810303926467896},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.4147108793258667},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37142470479011536},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.35902148485183716},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.24216923117637634},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20190173387527466},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.18699944019317627},{"id":"https://openalex.org/C74909509","wikidata":"https://www.wikidata.org/wiki/Q10387","display_name":"Gerontology","level":1,"score":0.16633868217468262},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.12088024616241455}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wf-iot54382.2022.10152093","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/wf-iot54382.2022.10152093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 8th World Forum on Internet of Things (WF-IoT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2073748049","https://openalex.org/W2164059021","https://openalex.org/W2175144554","https://openalex.org/W2507700067","https://openalex.org/W2623656021","https://openalex.org/W2767429435","https://openalex.org/W2806517319","https://openalex.org/W2806625635","https://openalex.org/W2888290453","https://openalex.org/W2982982529","https://openalex.org/W3174060615","https://openalex.org/W3182276148","https://openalex.org/W4226474381","https://openalex.org/W6685810083","https://openalex.org/W6784964855"],"related_works":["https://openalex.org/W4245926026","https://openalex.org/W4311097251","https://openalex.org/W2586548817","https://openalex.org/W2068608913","https://openalex.org/W2625093826","https://openalex.org/W2950174689","https://openalex.org/W4200598720","https://openalex.org/W2921026492","https://openalex.org/W4247463117","https://openalex.org/W2171987915"],"abstract_inverted_index":{"To":[0],"ensure":[1],"that":[2,15,24,55,101,134],"elderly":[3,83,170],"members":[4],"of":[5,13,32,47,62,82,90,120,144,165,169,181],"society":[6],"are":[7],"able":[8],"to":[9,18,51,195],"maintain":[10],"a":[11,53,88,95,204],"quality":[12],"life":[14],"allows":[16],"them":[17,198],"live":[19],"independently,":[20],"it":[21],"is":[22,59,152,188],"important":[23],"impending":[25],"frailty,":[26,63],"which":[27,58,187],"occurs":[28],"between":[29],"the":[30,60,66,77,123,166,174,182,200],"state":[31],"begin":[33],"healthy":[34],"and":[35,64,155,190],"needing":[36],"nursing":[37],"care,":[38],"be":[39,138,157],"detectable":[40],"at":[41,147],"an":[42,117,141],"early":[43],"stage.":[44],"The":[45,109,150],"purpose":[46],"this":[48,114],"study":[49,74],"was":[50],"construct":[52],"system":[54,115,151],"detects":[56],"pre-frailty,":[57,86],"pre-stage":[61],"notifies":[65],"subject's":[67],"family":[68],"member":[69],"or":[70,202],"designated":[71],"watcher.":[72],"This":[73],"focused":[75],"on":[76,199],"decrease":[78],"in":[79,85,160],"walking":[80,92,110,124,135,167],"speed":[81,93,111,125,136,168],"people":[84],"designing":[87],"means":[89],"measuring":[91],"using":[94],"non-wearable":[96],"passive":[97],"infrared":[98],"(PIR)":[99],"sensor":[100],"performs":[102],"equivalent":[103],"accuracy":[104],"with":[105,116,140],"conventional":[106,128],"manual":[107,129],"measurements.":[108],"measured":[112,126,139],"by":[113,127],"average":[118,142],"error":[119,143],"1.63%":[121],"from":[122],"measurement.":[130],"Further":[131],"testing":[132],"confirmed":[133],"could":[137],"1.51%,":[145],"even":[146],"one":[148],"meter.":[149],"feasible,":[153],"cost-effective,":[154],"can":[156],"easily":[158],"installed":[159],"homes":[161],"for":[162,192],"continuous":[163],"measurement":[164],"people.":[171],"In":[172],"addition,":[173],"system's":[175],"visualization":[176],"function":[177],"provides":[178],"heat":[179],"maps":[180],"elderly's":[183],"indoor":[184],"physical":[185],"activity,":[186],"effective":[189],"useful":[191],"allowing":[193],"caregivers":[194],"remotely":[196],"observe":[197],"Internet":[201],"through":[203],"social":[205],"networking":[206],"service.":[207]},"counts_by_year":[],"updated_date":"2025-12-24T23:09:58.560324","created_date":"2025-10-10T00:00:00"}
