{"id":"https://openalex.org/W2051261892","doi":"https://doi.org/10.1109/embc.2012.6346930","title":"Classification of posture and activities by using decision trees","display_name":"Classification of posture and activities by using decision trees","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W2051261892","doi":"https://doi.org/10.1109/embc.2012.6346930","mag":"2051261892","pmid":"https://pubmed.ncbi.nlm.nih.gov/23366891"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2012.6346930","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6346930","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","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/A5102854541","display_name":"Ting Zhang","orcid":"https://orcid.org/0000-0001-9471-962X"},"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":"Ting Zhang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA","Dept. of Electrical and Computer Engineering; University of Alabama; USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA","institution_ids":["https://openalex.org/I17301866"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering; University of Alabama; USA","institution_ids":["https://openalex.org/I17301866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101705306","display_name":"Wenlong Tang","orcid":"https://orcid.org/0009-0007-5552-4994"},"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":"Wenlong Tang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL, USA","Dept. of Electrical and Computer Engineering; University of Alabama; USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL, USA","institution_ids":["https://openalex.org/I17301866"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering; University of Alabama; 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":"E. S. Sazonov","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL, USA","Dept. of Electrical and Computer Engineering, University of Alabama, Tuscaloosa 35487, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL, USA","institution_ids":["https://openalex.org/I17301866"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, 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/A5102854541"],"corresponding_institution_ids":["https://openalex.org/I17301866"],"apc_list":null,"apc_paid":null,"fwci":2.4981,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.90486594,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2012","issue":null,"first_page":"4353","last_page":"4356"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9944999814033508,"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":0.9944999814033508,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9424999952316284,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/decision-tree","display_name":"Decision tree","score":0.6612855195999146},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6302187442779541},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45159173011779785}],"concepts":[{"id":"https://openalex.org/C84525736","wikidata":"https://www.wikidata.org/wiki/Q831366","display_name":"Decision tree","level":2,"score":0.6612855195999146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6302187442779541},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45159173011779785}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","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":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003661","descriptor_name":"Decision Support Techniques","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003661","descriptor_name":"Decision Support Techniques","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003661","descriptor_name":"Decision Support Techniques","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005528","descriptor_name":"Foot","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005528","descriptor_name":"Foot","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005528","descriptor_name":"Foot","qualifier_ui":"Q000502","qualifier_name":"physiology","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":"D011187","descriptor_name":"Posture","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012775","descriptor_name":"Shoes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012775","descriptor_name":"Shoes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012775","descriptor_name":"Shoes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014160","descriptor_name":"Transducers, Pressure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014160","descriptor_name":"Transducers, Pressure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014160","descriptor_name":"Transducers, Pressure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D018670","descriptor_name":"Monitoring, Ambulatory","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","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":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D056044","descriptor_name":"Actigraphy","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D056044","descriptor_name":"Actigraphy","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D056044","descriptor_name":"Actigraphy","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/embc.2012.6346930","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6346930","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},{"id":"pmid:23366891","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23366891","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},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.396.9410","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.396.9410","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://claws.eng.ua.edu/attachments/190_Classification of Posture and Activities by Using Decision Trees.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.5400000214576721,"display_name":"Zero hunger"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1527911497","https://openalex.org/W1833977909","https://openalex.org/W1978711313","https://openalex.org/W1986661283","https://openalex.org/W2042116582","https://openalex.org/W2050252451","https://openalex.org/W2054655733","https://openalex.org/W2073887009","https://openalex.org/W2077056738","https://openalex.org/W2105046342","https://openalex.org/W2116678161","https://openalex.org/W2120933802","https://openalex.org/W2149706766","https://openalex.org/W2153657339","https://openalex.org/W2164427779","https://openalex.org/W3145246212","https://openalex.org/W4211007940","https://openalex.org/W4236137412","https://openalex.org/W6677697610"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2350741829","https://openalex.org/W2530322880"],"abstract_inverted_index":{"Obesity":[0],"prevention":[1],"and":[2,21,69,97,104,130],"treatment":[3],"as":[4,6,124,126],"well":[5],"healthy":[7],"life":[8],"style":[9],"recommendation":[10],"requires":[11],"the":[12,32,46,105,135,145],"estimation":[13],"of":[14],"everyday":[15,54],"physical":[16],"activity.":[17],"Monitoring":[18],"posture":[19],"allocations":[20],"activities":[22],"with":[23,78,107],"sensor":[24,66],"systems":[25],"is":[26,123],"an":[27],"effective":[28],"method":[29],"to":[30,143],"achieve":[31],"goal.":[33],"However,":[34],"at":[35],"present,":[36],"most":[37],"devices":[38],"available":[39],"rely":[40],"on":[41,45],"multiple":[42],"sensors":[43],"distributed":[44],"body,":[47],"which":[48],"might":[49],"be":[50],"too":[51],"obtrusive":[52],"for":[53,76],"use.":[55],"In":[56],"this":[57],"study,":[58],"data":[59],"was":[60,74,84,111,118],"collected":[61,85],"from":[62,86],"a":[63,70,140],"wearable":[64],"shoe":[65],"system":[67],"(SmartShoe)":[68],"decision":[71,108],"tree":[72,109,137],"algorithm":[73,117],"applied":[75],"classification":[77,106],"high":[79,125],"computational":[80,121],"accuracy.":[81],"The":[82,120],"dataset":[83],"9":[87],"individual":[88],"subjects":[89],"performing":[90],"6":[91],"different":[92],"activities--sitting,":[93],"standing,":[94],"walking,":[95],"cycling,":[96],"stairs":[98],"ascent/descent.":[99],"Statistical":[100],"features":[101],"were":[102],"calculated":[103],"classifier":[110],"performed,":[112],"after":[113,132],"which,":[114],"advanced":[115],"boosting":[116],"applied.":[119],"accuracy":[122],"98.85%":[127],"without":[128],"boosting,":[129],"98.90%":[131],"boosting.":[133],"Additionally,":[134],"simple":[136],"structure":[138],"provides":[139],"direct":[141],"approach":[142],"simplify":[144],"feature":[146],"set.":[147]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":4}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}