{"id":"https://openalex.org/W2949805239","doi":"https://doi.org/10.1109/tip.2019.2907048","title":"View-Invariant Human Action Recognition Based on a 3D Bio-Constrained Skeleton Model","display_name":"View-Invariant Human Action Recognition Based on a 3D Bio-Constrained Skeleton Model","publication_year":2019,"publication_date":"2019-03-22","ids":{"openalex":"https://openalex.org/W2949805239","doi":"https://doi.org/10.1109/tip.2019.2907048","mag":"2949805239","pmid":"https://pubmed.ncbi.nlm.nih.gov/30908224"},"language":"en","primary_location":{"id":"doi:10.1109/tip.2019.2907048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2019.2907048","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-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/A5039200446","display_name":"Qiang Nie","orcid":"https://orcid.org/0000-0002-2778-4058"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qiang Nie","raw_affiliation_strings":["Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075663124","display_name":"Jiangliu Wang","orcid":"https://orcid.org/0000-0003-2734-0243"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiangliu Wang","raw_affiliation_strings":["Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100327844","display_name":"Xin Wang","orcid":"https://orcid.org/0000-0001-8639-3818"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Wang","raw_affiliation_strings":["Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100707660","display_name":"Yunhui Liu","orcid":"https://orcid.org/0000-0002-3625-6679"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunhui Liu","raw_affiliation_strings":["Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5039200446"],"corresponding_institution_ids":["https://openalex.org/I177725633"],"apc_list":null,"apc_paid":null,"fwci":4.4538,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.95683982,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"28","issue":"8","first_page":"3959","last_page":"3972"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":1.0,"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/T10812","display_name":"Human Pose and Action Recognition","score":1.0,"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9975000023841858,"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/artificial-intelligence","display_name":"Artificial intelligence","score":0.7172465324401855},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6207347512245178},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.5829873085021973},{"id":"https://openalex.org/keywords/human-skeleton","display_name":"Human skeleton","score":0.5641709566116333},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5427932143211365},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5390396118164062},{"id":"https://openalex.org/keywords/skeleton","display_name":"Skeleton (computer programming)","score":0.532439112663269},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.5177485346794128},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2979181706905365}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7172465324401855},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6207347512245178},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.5829873085021973},{"id":"https://openalex.org/C2777846634","wikidata":"https://www.wikidata.org/wiki/Q9621","display_name":"Human skeleton","level":2,"score":0.5641709566116333},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5427932143211365},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5390396118164062},{"id":"https://openalex.org/C18969341","wikidata":"https://www.wikidata.org/wiki/Q1169129","display_name":"Skeleton (computer programming)","level":2,"score":0.532439112663269},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.5177485346794128},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2979181706905365},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003196","descriptor_name":"Computer Graphics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003196","descriptor_name":"Computer Graphics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003196","descriptor_name":"Computer Graphics","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":"D006802","descriptor_name":"Human Activities","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D006802","descriptor_name":"Human Activities","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D006802","descriptor_name":"Human Activities","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D008953","descriptor_name":"Models, Anatomic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008953","descriptor_name":"Models, Anatomic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008953","descriptor_name":"Models, Anatomic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D021621","descriptor_name":"Imaging, Three-Dimensional","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D021621","descriptor_name":"Imaging, Three-Dimensional","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D021621","descriptor_name":"Imaging, Three-Dimensional","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/tip.2019.2907048","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2019.2907048","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-article"},{"id":"pmid:30908224","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30908224","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":"IEEE transactions on image processing : a publication of the IEEE Signal Processing Society","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3357271367","display_name":null,"funder_award_id":"4930745","funder_id":"https://openalex.org/F4320322942","funder_display_name":"Chinese University of Hong Kong"},{"id":"https://openalex.org/G7694594511","display_name":null,"funder_award_id":"7010358","funder_id":"https://openalex.org/F4320322183","funder_display_name":"Huawei Technologies"}],"funders":[{"id":"https://openalex.org/F4320322170","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86"},{"id":"https://openalex.org/F4320322183","display_name":"Huawei Technologies","ror":"https://ror.org/00cmhce21"},{"id":"https://openalex.org/F4320322942","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W203345490","https://openalex.org/W1686810756","https://openalex.org/W1777221758","https://openalex.org/W1926974744","https://openalex.org/W1943191679","https://openalex.org/W1950788856","https://openalex.org/W1971776024","https://openalex.org/W1995113806","https://openalex.org/W2007057255","https://openalex.org/W2010676632","https://openalex.org/W2025632878","https://openalex.org/W2031334527","https://openalex.org/W2048821851","https://openalex.org/W2054041160","https://openalex.org/W2073139398","https://openalex.org/W2085735683","https://openalex.org/W2089038880","https://openalex.org/W2097117768","https://openalex.org/W2099634219","https://openalex.org/W2106996050","https://openalex.org/W2110819057","https://openalex.org/W2145546283","https://openalex.org/W2168542003","https://openalex.org/W2172156083","https://openalex.org/W2194775991","https://openalex.org/W2224196924","https://openalex.org/W2348797658","https://openalex.org/W2415469094","https://openalex.org/W2510185399","https://openalex.org/W2526041356","https://openalex.org/W2556782416","https://openalex.org/W2557698284","https://openalex.org/W2563154851","https://openalex.org/W2593146028","https://openalex.org/W2602311553","https://openalex.org/W2604321021","https://openalex.org/W2606294640","https://openalex.org/W2739179646","https://openalex.org/W2751841288","https://openalex.org/W2761860076","https://openalex.org/W2774824934","https://openalex.org/W2778523960","https://openalex.org/W2794597556","https://openalex.org/W2798644314","https://openalex.org/W2799409595","https://openalex.org/W2950568498","https://openalex.org/W2963998561","https://openalex.org/W2964134613","https://openalex.org/W3098538019","https://openalex.org/W3103858256","https://openalex.org/W3123784868","https://openalex.org/W6608276133","https://openalex.org/W6640754710","https://openalex.org/W6684969345","https://openalex.org/W6730028046","https://openalex.org/W6741019626","https://openalex.org/W6743928348"],"related_works":["https://openalex.org/W2953562271","https://openalex.org/W1979723775","https://openalex.org/W2126881935","https://openalex.org/W4312993112","https://openalex.org/W2784535632","https://openalex.org/W2347221702","https://openalex.org/W3209135759","https://openalex.org/W2523395320","https://openalex.org/W41889997","https://openalex.org/W2348425426"],"abstract_inverted_index":{"Skeleton-based":[0],"human":[1,54,153],"action":[2,55,178],"recognition":[3,56],"has":[4],"been":[5],"a":[6,50,64,170],"hot":[7],"topic":[8],"in":[9,29,31,151],"recent":[10],"years.":[11],"Most":[12],"existing":[13],"studies":[14],"are":[15,149,160,167],"based":[16,62],"on":[17,63,104,182],"the":[18,32,39,59,77,105,122,131,136,139,144,190,195,198],"skeleton":[19,41,67,84,114],"data":[20,42],"obtained":[21,75],"from":[22],"Kinect,":[23],"which":[24,129,166,193],"is":[25,86,111],"noisy":[26,40],"and":[27,43,69,97,138],"unstable,":[28],"particular,":[30],"case":[33],"of":[34,45,91,101,118,135,143,158,197],"occlusions.":[35],"To":[36],"cope":[37],"with":[38,80,88],"variation":[44,142],"viewpoints,":[46],"this":[47],"paper":[48],"presents":[49],"view-invariant":[51],"method":[52,110],"for":[53,113,175],"by":[57],"recovering":[58],"corrupted":[60],"skeletons":[61],"3D":[65],"bio-constrained":[66,83,106],"model":[68,85],"visualizing":[70],"those":[71],"body-level":[72],"motion":[73,99,120,164],"features":[74,159],"during":[76],"recovery":[78],"process":[79],"images.":[81],"The":[82,180],"defined":[87],"two":[89,156],"types":[90,117,157],"constraints:":[92],"1)":[93],"constant":[94],"bone":[95],"lengths":[96],"2)":[98],"limits":[100],"joints.":[102],"Based":[103],"model,":[107],"an":[108],"effective":[109],"proposed":[112,199],"recovery.":[115],"Two":[116],"new":[119],"features,":[121],"Euclidean":[123],"distance":[124],"matrix":[125],"between":[126],"joints":[127],"(JEDM),":[128],"contains":[130],"global":[132],"structure":[133],"information":[134],"body,":[137],"local":[140],"dynamic":[141],"joint":[145],"Euler":[146],"angles":[147],"(JEAs)":[148],"used":[150],"describing":[152],"action.":[154],"These":[155],"encoded":[161],"into":[162,169],"different":[163,177],"images,":[165],"fed":[168],"two-stream":[171],"convolutional":[172],"neural":[173],"network":[174],"learning":[176],"patterns.":[179],"experiments":[181],"three":[183],"benchmark":[184],"datasets":[185],"achieve":[186],"better":[187],"accuracy":[188],"than":[189],"state-of-the-art":[191],"approaches,":[192],"demonstrates":[194],"effectiveness":[196],"method.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":19},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
