{"id":"https://openalex.org/W2293859129","doi":"https://doi.org/10.1109/embc.2015.7319521","title":"Early detection of sit-to-stand transitions in a lower limb orthosis","display_name":"Early detection of sit-to-stand transitions in a lower limb orthosis","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2293859129","doi":"https://doi.org/10.1109/embc.2015.7319521","mag":"2293859129","pmid":"https://pubmed.ncbi.nlm.nih.gov/26737421"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2015.7319521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5051668430","display_name":"Jason Bell","orcid":"https://orcid.org/0000-0002-1583-5292"},"institutions":[{"id":"https://openalex.org/I17301866","display_name":"University of Alabama","ror":"https://ror.org/03xrrjk67","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jason Bell","raw_affiliation_strings":["Department of Electrical and Computer Engineering at the University of Alabama, Tuscaloosa, 35487 USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering at the University of Alabama, Tuscaloosa, 35487 USA","institution_ids":["https://openalex.org/I17301866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101636783","display_name":"Xiangrong Shen","orcid":"https://orcid.org/0000-0001-8984-3861"},"institutions":[{"id":"https://openalex.org/I17301866","display_name":"University of Alabama","ror":"https://ror.org/03xrrjk67","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiangrong Shen","raw_affiliation_strings":["Department of Mechanical Engineering at the University of Alabama, Tuscaloosa, 35487 USA"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering at the University of Alabama, Tuscaloosa, 35487 USA","institution_ids":["https://openalex.org/I17301866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054782515","display_name":"Edward Sazonov","orcid":"https://orcid.org/0000-0001-7792-4234"},"institutions":[{"id":"https://openalex.org/I17301866","display_name":"University of Alabama","ror":"https://ror.org/03xrrjk67","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Edward Sazonov","raw_affiliation_strings":["Department of Electrical and Computer Engineering at the University of Alabama, Tuscaloosa, 35487 USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering at the University of Alabama, Tuscaloosa, 35487 USA","institution_ids":["https://openalex.org/I17301866"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5051668430"],"corresponding_institution_ids":["https://openalex.org/I17301866"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.13756723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"5028","last_page":"5031"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9995999932289124,"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/T11023","display_name":"Prosthetics and Rehabilitation Robotics","score":0.9995999932289124,"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/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.9993000030517578,"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/T10784","display_name":"Muscle activation and electromyography studies","score":0.9984999895095825,"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":0.7972596287727356},{"id":"https://openalex.org/keywords/false-positive-paradox","display_name":"False positive paradox","score":0.7274562120437622},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.6729089617729187},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6097615361213684},{"id":"https://openalex.org/keywords/gyroscope","display_name":"Gyroscope","score":0.5951180458068848},{"id":"https://openalex.org/keywords/sitting","display_name":"Sitting","score":0.5508343577384949},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5372573733329773},{"id":"https://openalex.org/keywords/brace","display_name":"Brace","score":0.48185551166534424},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.44512906670570374},{"id":"https://openalex.org/keywords/true-positive-rate","display_name":"True positive rate","score":0.4123947322368622},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3488563299179077},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20086288452148438},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.11126410961151123}],"concepts":[{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.7972596287727356},{"id":"https://openalex.org/C64869954","wikidata":"https://www.wikidata.org/wiki/Q1859747","display_name":"False positive paradox","level":2,"score":0.7274562120437622},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.6729089617729187},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6097615361213684},{"id":"https://openalex.org/C158488048","wikidata":"https://www.wikidata.org/wiki/Q483400","display_name":"Gyroscope","level":2,"score":0.5951180458068848},{"id":"https://openalex.org/C2776370487","wikidata":"https://www.wikidata.org/wiki/Q1144593","display_name":"Sitting","level":2,"score":0.5508343577384949},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5372573733329773},{"id":"https://openalex.org/C2779793219","wikidata":"https://www.wikidata.org/wiki/Q2662870","display_name":"Brace","level":2,"score":0.48185551166534424},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.44512906670570374},{"id":"https://openalex.org/C2989486834","wikidata":"https://www.wikidata.org/wiki/Q3808900","display_name":"True positive rate","level":2,"score":0.4123947322368622},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3488563299179077},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20086288452148438},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.11126410961151123},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009068","descriptor_name":"Movement","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009068","descriptor_name":"Movement","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009068","descriptor_name":"Movement","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009989","descriptor_name":"Orthotic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009989","descriptor_name":"Orthotic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009989","descriptor_name":"Orthotic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D035002","descriptor_name":"Lower Extremity","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D035002","descriptor_name":"Lower Extremity","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D035002","descriptor_name":"Lower Extremity","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060388","descriptor_name":"Support Vector Machine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2015.7319521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:26737421","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26737421","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W46659105","https://openalex.org/W1490304374","https://openalex.org/W1959407795","https://openalex.org/W2010021999","https://openalex.org/W2022572049","https://openalex.org/W2076946532","https://openalex.org/W2144910137","https://openalex.org/W6641137734"],"related_works":["https://openalex.org/W1557094818","https://openalex.org/W2160907113","https://openalex.org/W4287692494","https://openalex.org/W3129715955","https://openalex.org/W3027053746","https://openalex.org/W3047594718","https://openalex.org/W4299651861","https://openalex.org/W2953243682","https://openalex.org/W4386222044","https://openalex.org/W2099261052"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"a":[3,12,30,106,136,141],"method":[4,129],"for":[5,17],"early":[6,111],"detection":[7,25,138],"of":[8,113,117,145],"posture":[9,94,133],"transitions":[10,75,134],"in":[11,21,105,122],"powered":[13],"orthotic":[14],"brace":[15],"purposed":[16],"assisting":[18],"elderly":[19],"people":[20],"sit-to-stand":[22,114],"transitions.":[23,95,115],"The":[24,53,62,81,127],"system":[26],"is":[27,37],"constructed":[28],"using":[29],"linear":[31],"Support":[32,97],"Vector":[33,98],"Machine":[34,99],"classifier":[35,100],"that":[36,70],"trained":[38,102],"from":[39,42,66],"features":[40],"extracted":[41],"the":[43,47,51],"signals":[44],"produced":[45],"by":[46],"sensors":[48,54],"mounted":[49],"on":[50],"orthosis.":[52],"include":[55],"accelerometers,":[56],"potentiometers,":[57],"gyroscopes":[58],"and":[59,79,88,103,140],"force":[60],"sensors.":[61],"data":[63,84],"were":[64,85],"collected":[65,82],"9":[67],"healthy":[68],"individuals":[69],"performed":[71],"various":[72],"activities,":[73],"including":[74],"between":[76],"sitting,":[77],"standing":[78],"walking.":[80],"sensor":[83],"processed,":[86],"normalized":[87],"manually":[89],"annotated":[90],"to":[91,109,124,131],"label":[92],"all":[93],"A":[96],"was":[101,120,130],"validated":[104],"leave-one-out":[107],"manner":[108],"detect":[110,132],"onset":[112],"Use":[116],"lagged":[118],"windows":[119],"examined":[121],"efforts":[123],"increase":[125],"accuracy.":[126],"proposed":[128],"with":[135],"high":[137],"rate":[139],"relatively":[142],"low":[143],"number":[144],"false":[146],"positives.":[147]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}