{"id":"https://openalex.org/W4318147479","doi":"https://doi.org/10.1109/bigdata55660.2022.10020848","title":"HAR-CTGAN: A Mobile Sensor Data Generation Tool for Human Activity Recognition","display_name":"HAR-CTGAN: A Mobile Sensor Data Generation Tool for Human Activity Recognition","publication_year":2022,"publication_date":"2022-12-17","ids":{"openalex":"https://openalex.org/W4318147479","doi":"https://doi.org/10.1109/bigdata55660.2022.10020848"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata55660.2022.10020848","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata55660.2022.10020848","pdf_url":null,"source":{"id":"https://openalex.org/S4363607709","display_name":"2022 IEEE International Conference on Big Data (Big Data)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Conference on Big Data (Big Data)","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/A5011892707","display_name":"Joshua DeOliveira","orcid":null},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Joshua DeOliveira","raw_affiliation_strings":["Worcester Polytechnic Institute,Data Science Program,Worcester,MA","Data Science Program, Worcester Polytechnic Institute, Worcester, MA"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute,Data Science Program,Worcester,MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Data Science Program, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065984527","display_name":"Walter Gerych","orcid":"https://orcid.org/0000-0002-1194-1493"},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Walter Gerych","raw_affiliation_strings":["Worcester Polytechnic Institute,Data Science Program,Worcester,MA","Data Science Program, Worcester Polytechnic Institute, Worcester, MA"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute,Data Science Program,Worcester,MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Data Science Program, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057569315","display_name":"Aruzhan Koshkarova","orcid":null},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aruzhan Koshkarova","raw_affiliation_strings":["Worcester Polytechnic Institute,Data Science Program,Worcester,MA","Department of Computer Science, Worcester Polytechnic Institute, Worcester, MA","Data Science Program, Worcester Polytechnic Institute, Worcester, MA"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute,Data Science Program,Worcester,MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Department of Computer Science, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Data Science Program, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008269094","display_name":"Elke A. Rundensteiner","orcid":"https://orcid.org/0000-0001-5375-9254"},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Elke Rundensteiner","raw_affiliation_strings":["Worcester Polytechnic Institute,Data Science Program,Worcester,MA","Data Science Program, Worcester Polytechnic Institute, Worcester, MA"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute,Data Science Program,Worcester,MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Data Science Program, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003809101","display_name":"Emmanuel Agu","orcid":"https://orcid.org/0000-0002-3361-4952"},"institutions":[{"id":"https://openalex.org/I107077323","display_name":"Worcester Polytechnic Institute","ror":"https://ror.org/05ejpqr48","country_code":"US","type":"education","lineage":["https://openalex.org/I107077323"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Emmanuel Agu","raw_affiliation_strings":["Worcester Polytechnic Institute,Department of Computer Science,Worcester,MA","Department of Computer Science, Worcester Polytechnic Institute, Worcester, MA"],"affiliations":[{"raw_affiliation_string":"Worcester Polytechnic Institute,Department of Computer Science,Worcester,MA","institution_ids":["https://openalex.org/I107077323"]},{"raw_affiliation_string":"Department of Computer Science, Worcester Polytechnic Institute, Worcester, MA","institution_ids":["https://openalex.org/I107077323"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5011892707"],"corresponding_institution_ids":["https://openalex.org/I107077323"],"apc_list":null,"apc_paid":null,"fwci":0.3581,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.68856879,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"5233","last_page":"5242"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9993000030517578,"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":0.9993000030517578,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.9919999837875366,"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/computer-science","display_name":"Computer science","score":0.775395929813385},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.7557206153869629},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.587928056716919},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.5850428342819214},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5795142650604248},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.563164234161377},{"id":"https://openalex.org/keywords/generative-grammar","display_name":"Generative grammar","score":0.476202130317688},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.4715302586555481},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.45910146832466125},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.44519174098968506},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4143942594528198},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.41201668977737427},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3218834698200226}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.775395929813385},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.7557206153869629},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.587928056716919},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.5850428342819214},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5795142650604248},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.563164234161377},{"id":"https://openalex.org/C39890363","wikidata":"https://www.wikidata.org/wiki/Q36108","display_name":"Generative grammar","level":2,"score":0.476202130317688},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.4715302586555481},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.45910146832466125},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.44519174098968506},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4143942594528198},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.41201668977737427},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3218834698200226},{"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/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bigdata55660.2022.10020848","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata55660.2022.10020848","pdf_url":null,"source":{"id":"https://openalex.org/S4363607709","display_name":"2022 IEEE International Conference on Big Data (Big Data)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1970508061","https://openalex.org/W2039686496","https://openalex.org/W2073416930","https://openalex.org/W2076696004","https://openalex.org/W2084553975","https://openalex.org/W2093323495","https://openalex.org/W2103388129","https://openalex.org/W2125389028","https://openalex.org/W2146948596","https://openalex.org/W2148143831","https://openalex.org/W2153507502","https://openalex.org/W2501609357","https://openalex.org/W2547875792","https://openalex.org/W2549195455","https://openalex.org/W2748814859","https://openalex.org/W2897551993","https://openalex.org/W2963373106","https://openalex.org/W2964328732","https://openalex.org/W2972317743","https://openalex.org/W2994326685","https://openalex.org/W3028846921","https://openalex.org/W3094521221","https://openalex.org/W3097063581","https://openalex.org/W3143534982","https://openalex.org/W3164845984","https://openalex.org/W3183702465","https://openalex.org/W3185191651","https://openalex.org/W3202701980","https://openalex.org/W3214311704","https://openalex.org/W4206589872","https://openalex.org/W4248546571","https://openalex.org/W4288296172","https://openalex.org/W4320013936","https://openalex.org/W6670256866","https://openalex.org/W6678815747","https://openalex.org/W6727592167","https://openalex.org/W6729448088","https://openalex.org/W6738546315","https://openalex.org/W6741832134","https://openalex.org/W6753620706","https://openalex.org/W6765451912","https://openalex.org/W6778953095","https://openalex.org/W7053126446"],"related_works":["https://openalex.org/W2765080098","https://openalex.org/W2385749422","https://openalex.org/W2355290145","https://openalex.org/W2353465659","https://openalex.org/W2009888974","https://openalex.org/W2355539379","https://openalex.org/W2056341223","https://openalex.org/W4231410700","https://openalex.org/W4237770763","https://openalex.org/W2347752811"],"abstract_inverted_index":{"Human":[0],"activity":[1],"recognition":[2],"(HAR)":[3],"is":[4,21,123],"the":[5,14,22,142],"process":[6],"of":[7,24],"using":[8],"mobile":[9,26,126,167],"sensor":[10,127,168],"data":[11,52,89,128,163,169,188],"to":[12,55,64,76,148,165],"determine":[13],"physical":[15],"activities":[16],"performed":[17],"by":[18,107,181],"individuals.":[19],"HAR":[20,43,60,96,151,199],"backbone":[23],"many":[25],"healthcare":[27],"applications,":[28],"such":[29,137],"as":[30,138],"passive":[31],"health":[32],"monitoring":[33],"systems,":[34,37],"early":[35],"diagnosing":[36],"and":[38,50,69,115,141,173,201],"fall":[39],"detection":[40],"systems.":[41],"Effective":[42],"models":[44,204],"rely":[45],"on":[46],"deep":[47],"learning":[48],"architectures":[49],"big":[51],"in":[53,193,198],"order":[54],"accurately":[56],"classify":[57],"activities.":[58],"Unfortunately,":[59],"datasets":[61],"are":[62,66,105],"expensive":[63],"collect,":[65],"often":[67],"mislabeled,":[68],"have":[70,145],"large":[71],"class":[72],"imbalances.":[73],"State-of-the-art":[74],"approaches":[75],"address":[77],"these":[78,95],"challenges":[79],"utilize":[80],"Generative":[81,158],"Adversarial":[82,159],"Networks":[83,160],"(GANs)":[84],"for":[85,162],"generating":[86],"additional":[87,135],"synthetic":[88],"along":[90],"with":[91,189,207],"their":[92],"labels.":[93],"Problematically,":[94],"GANs":[97],"only":[98],"synthesize":[99,166],"continuous":[100,120,172],"features":[101,103,132],"\u2014":[102,110],"that":[104,118,133],"represented":[106],"real":[108],"numbers":[109],"recorded":[111],"from":[112],"gyroscopes,":[113],"accelerometers,":[114],"other":[116],"sensors":[117],"produce":[119],"data.":[121],"This":[122],"limiting":[124],"since":[125],"commonly":[129],"has":[130],"discrete":[131,174],"provide":[134],"context":[136],"device":[139],"location":[140],"time-of-day,":[143],"which":[144],"been":[146,179],"shown":[147],"substantially":[149],"improve":[150],"classification.":[152],"Hence,":[153],"we":[154],"studied":[155],"Conditional":[156],"Tabular":[157],"(CTGANs)":[161],"generation":[164],"containing":[170],"both":[171],"features,":[175],"a":[176],"task":[177],"never":[178],"done":[180],"state-of-the-art":[182,203],"approaches.":[183],"We":[184],"show":[185],"HAR-CTGANs":[186],"generate":[187],"greater":[190],"realism":[191],"resulting":[192],"allowing":[194],"better":[195],"downstream":[196,210],"performance":[197,211],"models,":[200],"when":[202],"were":[205],"modified":[206],"HAR-CTGAN":[208],"characteristics,":[209],"also":[212],"improves.":[213]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}