{"id":"https://openalex.org/W7161052959","doi":"https://doi.org/10.1007/s11063-026-11851-4","title":"Lightweight Multi-channel Fall Detection on Smartphone Accelerometers with Probabilistic Calibration and Event-Level Evaluation","display_name":"Lightweight Multi-channel Fall Detection on Smartphone Accelerometers with Probabilistic Calibration and Event-Level Evaluation","publication_year":2026,"publication_date":"2026-05-13","ids":{"openalex":"https://openalex.org/W7161052959","doi":"https://doi.org/10.1007/s11063-026-11851-4"},"language":"en","primary_location":{"id":"doi:10.1007/s11063-026-11851-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11063-026-11851-4","pdf_url":null,"source":{"id":"https://openalex.org/S140962798","display_name":"Neural Processing Letters","issn_l":"1370-4621","issn":["1370-4621","1573-773X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Processing Letters","raw_type":"journal-article"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1007/s11063-026-11851-4","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5136056608","display_name":"Zhiyuan Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I147139432","display_name":"Tianjin University of Sport","ror":"https://ror.org/007eyd925","country_code":"CN","type":"education","lineage":["https://openalex.org/I147139432"]},{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Zhiyuan Yang","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]},{"raw_affiliation_string":"Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China","institution_ids":["https://openalex.org/I147139432"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136025516","display_name":"Liang Li","orcid":null},"institutions":[{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Li","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136058172","display_name":"Zhiqiang Ren","orcid":null},"institutions":[{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Zhiqiang Ren","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122017337","display_name":"Qinghua Meng","orcid":null},"institutions":[{"id":"https://openalex.org/I147139432","display_name":"Tianjin University of Sport","ror":"https://ror.org/007eyd925","country_code":"CN","type":"education","lineage":["https://openalex.org/I147139432"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qinghua Meng","raw_affiliation_strings":["Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China","institution_ids":["https://openalex.org/I147139432"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136074910","display_name":"Yijia Xue","orcid":null},"institutions":[{"id":"https://openalex.org/I147139432","display_name":"Tianjin University of Sport","ror":"https://ror.org/007eyd925","country_code":"CN","type":"education","lineage":["https://openalex.org/I147139432"]},{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Yijia Xue","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]},{"raw_affiliation_string":"Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China","institution_ids":["https://openalex.org/I147139432"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009342809","display_name":"Can Bu","orcid":"https://orcid.org/0000-0003-1042-2162"},"institutions":[{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Can Bu","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","School of Automation, Southeast University, Nanjing, 210096, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]},{"raw_affiliation_string":"School of Automation, Southeast University, Nanjing, 210096, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033601624","display_name":"Liangze Tao","orcid":"https://orcid.org/0009-0001-4475-2824"},"institutions":[{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Liangze Tao","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","School of Automation, Southeast University, Nanjing, 210096, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]},{"raw_affiliation_string":"School of Automation, Southeast University, Nanjing, 210096, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135352344","display_name":"Kai Xiong","orcid":null},"institutions":[{"id":"https://openalex.org/I4210116895","display_name":"Art Innovation (Netherlands)","ror":"https://ror.org/02g21hc40","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210116895"]},{"id":"https://openalex.org/I4210132072","display_name":"China Institute of Sport Science","ror":"https://ror.org/03sgtek58","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210132072"]}],"countries":["CN","NL"],"is_corresponding":false,"raw_author_name":"Kai Xiong","raw_affiliation_strings":["China Institute of Sport Science, Beijing, 100061, China","Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Institute of Sport Science, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210132072"]},{"raw_affiliation_string":"Greatteam Smart Sport Technology Innovation Center(Beijing) Co, Ltd., Greatteam Smart Sport Technology Innovation Center, Beijing, 100061, China","institution_ids":["https://openalex.org/I4210116895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136028370","display_name":"Dongren Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I147139432","display_name":"Tianjin University of Sport","ror":"https://ror.org/007eyd925","country_code":"CN","type":"education","lineage":["https://openalex.org/I147139432"]},{"id":"https://openalex.org/I4210116868","display_name":"Shandong Sport University","ror":"https://ror.org/026b4k258","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210116868"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dongren Liu","raw_affiliation_strings":["Shandong Sports Rehabilitation Research Center, Jinan, 250102, China","Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shandong Sports Rehabilitation Research Center, Jinan, 250102, China","institution_ids":["https://openalex.org/I4210116868"]},{"raw_affiliation_string":"Tianjin University of Sport, Tuanbo New Town, Jinghai District, 301617, Tianjin, China","institution_ids":["https://openalex.org/I147139432"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5136028370"],"corresponding_institution_ids":["https://openalex.org/I147139432","https://openalex.org/I4210116868"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":{"value":2390,"currency":"EUR","value_usd":2990},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.65452706,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"58","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.8248000144958496,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.8248000144958496,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.037700001150369644,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12238","display_name":"Green IT and Sustainability","score":0.020099999383091927,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/accelerometer","display_name":"Accelerometer","score":0.7601000070571899},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7111999988555908},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.6837000250816345},{"id":"https://openalex.org/keywords/computational-intelligence","display_name":"Computational intelligence","score":0.5202000141143799},{"id":"https://openalex.org/keywords/statistical-model","display_name":"Statistical model","score":0.2476000040769577}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.7601000070571899},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7111999988555908},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.6837000250816345},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6442999839782715},{"id":"https://openalex.org/C139502532","wikidata":"https://www.wikidata.org/wiki/Q1122090","display_name":"Computational intelligence","level":2,"score":0.5202000141143799},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4754999876022339},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3702000081539154},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.28999999165534973},{"id":"https://openalex.org/C114289077","wikidata":"https://www.wikidata.org/wiki/Q3284399","display_name":"Statistical model","level":2,"score":0.2476000040769577},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.24449999630451202}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11063-026-11851-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11063-026-11851-4","pdf_url":null,"source":{"id":"https://openalex.org/S140962798","display_name":"Neural Processing Letters","issn_l":"1370-4621","issn":["1370-4621","1573-773X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Processing Letters","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s11063-026-11851-4","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11063-026-11851-4","pdf_url":null,"source":{"id":"https://openalex.org/S140962798","display_name":"Neural Processing Letters","issn_l":"1370-4621","issn":["1370-4621","1573-773X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Processing Letters","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2272357738","display_name":null,"funder_award_id":"11372223, 11102135","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1964940342","https://openalex.org/W2007720723","https://openalex.org/W2555209581","https://openalex.org/W2963563124","https://openalex.org/W3084709965","https://openalex.org/W3109604480","https://openalex.org/W3113453806","https://openalex.org/W3159678862","https://openalex.org/W3207497010","https://openalex.org/W4205689482","https://openalex.org/W4206038815","https://openalex.org/W4206515702","https://openalex.org/W4210271795","https://openalex.org/W4285079306","https://openalex.org/W4285389684","https://openalex.org/W4296100703","https://openalex.org/W4309930289","https://openalex.org/W4366588941","https://openalex.org/W4390859730","https://openalex.org/W4401044504","https://openalex.org/W4414983537","https://openalex.org/W4415489919"],"related_works":[],"abstract_inverted_index":{"Accurate":[0],"and":[1,16,26,34,70,75,83,96,106,121,126,138,146,176,208],"energy-efficient":[2],"fall":[3,52,102,243],"detection":[4,53,103,211,244],"on":[5,98,230],"commodity":[6],"smartphones":[7],"is":[8],"crucial":[9],"for":[10,40,51,240],"long-term":[11,242],"monitoring":[12,247],"of":[13,118,123],"older":[14],"adults":[15],"high-risk":[17],"populations.":[18],"However,":[19],"most":[20],"existing":[21],"methods":[22],"emphasize":[23],"window-level":[24,232],"accuracy":[25],"F1":[27,95],"score,":[28],"while":[29,113,199],"largely":[30],"overlooking":[31],"probabilistic":[32],"calibration":[33],"event-level":[35,166],"behavior":[36],"that":[37,222],"are":[38],"critical":[39],"real-world":[41],"deployment.":[42],"We":[43],"propose":[44],"LFNET,":[45],"a":[46,55,116,184,196],"lightweight":[47],"multi-channel":[48],"convolutional":[49],"network":[50],"using":[54,114],"single":[56],"waist-mounted":[57],"smartphone":[58],"accelerometer.":[59],"LFNET":[60,90,187],"integrates":[61],"multiscale":[62],"depthwise":[63],"separable":[64],"convolutions":[65],"with":[66],"efficient":[67],"channel":[68],"attention,":[69],"jointly":[71],"leverages":[72],"tri-axial":[73],"accelerations":[74],"their":[76],"magnitude":[77],"to":[78,142,151,193,205,216],"capture":[79],"both":[80,99],"posture":[81],"dynamics":[82],"impact":[84],"intensity.":[85],"On":[86],"the":[87,100,107,119,223],"UniMiB-SHAR":[88,160],"dataset,":[89],"attains":[91],"competitive":[92],"or":[93],"superior":[94],"AUPRC":[97],"binary":[101],"task":[104,111],"(AF2)":[105],"17-class":[108],"activity":[109],"recognition":[110],"(AF17),":[112],"only":[115,227],"fraction":[117],"parameters":[120],"FLOPs":[122],"larger":[124],"CNN":[125,197],"Transformer":[127],"baselines.":[128],"To":[129],"better":[130],"match":[131],"deployment":[132],"requirements,":[133],"we":[134,162],"apply":[135],"temperature":[136],"scaling":[137],"sensitivity-constrained":[139],"threshold":[140],"selection":[141],"calibrate":[143],"predicted":[144],"probabilities":[145],"choose":[147],"operating":[148],"points":[149],"tailored":[150],"fall-risk":[152],"preferences.":[153],"Using":[154],"semi-synthetic":[155],"continuous":[156],"streams":[157],"constructed":[158],"from":[159,191,203,213],"segments,":[161],"further":[163],"design":[164],"an":[165],"post-processing":[167],"pipeline":[168],"combining":[169],"K-consecutive":[170],"positives,":[171],"hysteresis":[172],"thresholds,":[173],"gap":[174],"merging,":[175],"refractory":[177],"periods.":[178],"Event-level":[179],"experiments":[180],"show":[181],"that,":[182],"under":[183],"fixed":[185],"configuration,":[186],"improves":[188],"event":[189],"sensitivity":[190],"90.1%":[192],"96.4%":[194],"over":[195],"baseline,":[198],"reducing":[200],"false":[201],"alarms":[202],"1.4":[204,214],"0.2":[206],"FA/h":[207],"shortening":[209],"median":[210],"delay":[212],"s":[215],"0.8":[217],"s.":[218],"These":[219],"results":[220],"demonstrate":[221],"proposed":[224],"framework":[225],"not":[226],"performs":[228],"well":[229],"standard":[231],"metrics,":[233],"but":[234],"also":[235],"offers":[236],"favorable":[237],"false-alarm\u2013delay":[238],"trade-offs":[239],"smartphone-based,":[241],"in":[245],"simulated":[246],"scenarios.":[248]},"counts_by_year":[],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2026-05-14T00:00:00"}