{"id":"https://openalex.org/W4416888267","doi":"https://doi.org/10.1016/j.bspc.2025.109304","title":"Efficient fall detection using Kalman filter-enhanced triaxial accelerometer signals and machine learning","display_name":"Efficient fall detection using Kalman filter-enhanced triaxial accelerometer signals and machine learning","publication_year":2025,"publication_date":"2025-12-01","ids":{"openalex":"https://openalex.org/W4416888267","doi":"https://doi.org/10.1016/j.bspc.2025.109304"},"language":"en","primary_location":{"id":"doi:10.1016/j.bspc.2025.109304","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.bspc.2025.109304","pdf_url":null,"source":{"id":"https://openalex.org/S8427965","display_name":"Biomedical Signal Processing and Control","issn_l":"1746-8094","issn":["1746-8094","1746-8108"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Signal Processing and Control","raw_type":"journal-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/A5050020402","display_name":"Kai-Chun Liu","orcid":"https://orcid.org/0000-0001-7867-4716"},"institutions":[{"id":"https://openalex.org/I108468826","display_name":"Stevens Institute of Technology","ror":"https://ror.org/02z43xh36","country_code":"US","type":"education","lineage":["https://openalex.org/I108468826"]},{"id":"https://openalex.org/I2799503643","display_name":"Columbia University Irving Medical Center","ror":"https://ror.org/01esghr10","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799503643"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kai-Chun Liu","raw_affiliation_strings":["Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA","Department of Rehabilitation and Regenerative Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA","institution_ids":["https://openalex.org/I108468826"]},{"raw_affiliation_string":"Department of Rehabilitation and Regenerative Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA","institution_ids":["https://openalex.org/I2799503643"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100600693","display_name":"Yue\u2010Der Lin","orcid":"https://orcid.org/0000-0003-1495-166X"},"institutions":[{"id":"https://openalex.org/I4880106","display_name":"Feng Chia University","ror":"https://ror.org/05vhczg54","country_code":"TW","type":"education","lineage":["https://openalex.org/I4880106"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Yue-Der Lin","raw_affiliation_strings":["Department of Automatic Control Engineering, Feng Chia University, Taichung 40724, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Automatic Control Engineering, Feng Chia University, Taichung 40724, Taiwan","institution_ids":["https://openalex.org/I4880106"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100600693"],"corresponding_institution_ids":["https://openalex.org/I4880106"],"apc_list":{"value":2420,"currency":"USD","value_usd":2420},"apc_paid":null,"fwci":1.2181,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.8549578,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"114","issue":null,"first_page":"109304","last_page":"109304"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.777400016784668,"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":0.777400016784668,"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":0.1785999983549118,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.005200000014156103,"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/accelerometer","display_name":"Accelerometer","score":0.7836999893188477},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.7303000092506409},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.7095999717712402},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5920000076293945},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.5045999884605408},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.4810999929904938},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.4749000072479248},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.40799999237060547}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.7836999893188477},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.758400022983551},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.7303000092506409},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.7095999717712402},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6294000148773193},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5920000076293945},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5231999754905701},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.5045999884605408},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.4810999929904938},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.4749000072479248},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.40799999237060547},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.39340001344680786},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.3889999985694885},{"id":"https://openalex.org/C54290928","wikidata":"https://www.wikidata.org/wiki/Q4845080","display_name":"Wearable technology","level":3,"score":0.3765999972820282},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.3465999960899353},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.3407000005245209},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3343000113964081},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.33070001006126404},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.3172999918460846},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.29429998993873596},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2840999960899353},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.27480000257492065},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.27239999175071716},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.260699987411499}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.bspc.2025.109304","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.bspc.2025.109304","pdf_url":null,"source":{"id":"https://openalex.org/S8427965","display_name":"Biomedical Signal Processing and Control","issn_l":"1746-8094","issn":["1746-8094","1746-8108"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Signal Processing and Control","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2378821551","display_name":null,"funder_award_id":"NSTC 114-2221-E-035-030","funder_id":"https://openalex.org/F2461203286","funder_display_name":"National Science and Technology Council"},{"id":"https://openalex.org/G5596967279","display_name":null,"funder_award_id":"NSTC 113-2221-E-035-011","funder_id":"https://openalex.org/F2461203286","funder_display_name":"National Science and Technology Council"}],"funders":[{"id":"https://openalex.org/F2461203286","display_name":"National Science and Technology Council","ror":"https://ror.org/02kv4zf79"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W2007221293","https://openalex.org/W2017803470","https://openalex.org/W2076068958","https://openalex.org/W2089916011","https://openalex.org/W2105934661","https://openalex.org/W2120390927","https://openalex.org/W2133140997","https://openalex.org/W2139474728","https://openalex.org/W2154053567","https://openalex.org/W2180884865","https://openalex.org/W2313536508","https://openalex.org/W2340862004","https://openalex.org/W2343389358","https://openalex.org/W2482368507","https://openalex.org/W2540445744","https://openalex.org/W2557572521","https://openalex.org/W2587742742","https://openalex.org/W2760727242","https://openalex.org/W2991134484","https://openalex.org/W3007534129","https://openalex.org/W3008143437","https://openalex.org/W3080554130","https://openalex.org/W3083408317","https://openalex.org/W3123165070","https://openalex.org/W3174573387","https://openalex.org/W3190352775","https://openalex.org/W3191137513","https://openalex.org/W3195445035","https://openalex.org/W3196038327","https://openalex.org/W3198757505","https://openalex.org/W3203023227","https://openalex.org/W3204375404","https://openalex.org/W4293521861","https://openalex.org/W4298086991","https://openalex.org/W4321194377","https://openalex.org/W4321497084","https://openalex.org/W4381377389","https://openalex.org/W4381850046","https://openalex.org/W4385272359","https://openalex.org/W4396941511","https://openalex.org/W4399427550","https://openalex.org/W4403102840","https://openalex.org/W4405925164","https://openalex.org/W4407735435","https://openalex.org/W4409777651","https://openalex.org/W4410076532","https://openalex.org/W4412078633"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-01T00:00:00"}