{"id":"https://openalex.org/W3209892011","doi":"https://doi.org/10.1109/tcsvt.2021.3124562","title":"A Central Difference Graph Convolutional Operator for Skeleton-Based Action Recognition","display_name":"A Central Difference Graph Convolutional Operator for Skeleton-Based Action Recognition","publication_year":2021,"publication_date":"2021-11-01","ids":{"openalex":"https://openalex.org/W3209892011","doi":"https://doi.org/10.1109/tcsvt.2021.3124562","mag":"3209892011"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2021.3124562","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2021.3124562","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 Circuits and Systems for Video Technology","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2111.06995","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039513573","display_name":"Shuangyan Miao","orcid":null},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuangyan Miao","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023247075","display_name":"Yonghong Hou","orcid":"https://orcid.org/0000-0002-1676-5505"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yonghong Hou","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin, China"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066142993","display_name":"Zhimin Gao","orcid":"https://orcid.org/0000-0002-2450-492X"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhimin Gao","raw_affiliation_strings":["School of Information Engineering, Zhengzhou University, Zhengzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Zhengzhou University, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081346568","display_name":"Mingliang Xu","orcid":"https://orcid.org/0000-0002-6885-3451"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingliang Xu","raw_affiliation_strings":["School of Information Engineering, Zhengzhou University, Zhengzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Zhengzhou University, Zhengzhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100695040","display_name":"Wanqing Li","orcid":"https://orcid.org/0000-0002-4427-2687"},"institutions":[{"id":"https://openalex.org/I204824540","display_name":"University of Wollongong","ror":"https://ror.org/00jtmb277","country_code":"AU","type":"education","lineage":["https://openalex.org/I204824540"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wanqing Li","raw_affiliation_strings":["Advanced Multimedia Research Laboratory, University of Wollongong, Wollongong, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"Advanced Multimedia Research Laboratory, University of Wollongong, Wollongong, NSW, Australia","institution_ids":["https://openalex.org/I204824540"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5039513573"],"corresponding_institution_ids":["https://openalex.org/I162868743"],"apc_list":null,"apc_paid":null,"fwci":5.1353,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.96604758,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"32","issue":"7","first_page":"4893","last_page":"4899"},"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9987999796867371,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9965999722480774,"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/skeleton","display_name":"Skeleton (computer programming)","score":0.5962632894515991},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5545276999473572},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5287891030311584},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.47743329405784607},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4664069712162018},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.46509137749671936},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.44861263036727905},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3317255973815918},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3211996555328369},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.26847219467163086},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.09105107188224792}],"concepts":[{"id":"https://openalex.org/C18969341","wikidata":"https://www.wikidata.org/wiki/Q1169129","display_name":"Skeleton (computer programming)","level":2,"score":0.5962632894515991},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5545276999473572},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5287891030311584},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.47743329405784607},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4664069712162018},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.46509137749671936},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.44861263036727905},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3317255973815918},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3211996555328369},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.26847219467163086},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.09105107188224792},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tcsvt.2021.3124562","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2021.3124562","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 Circuits and Systems for Video Technology","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2111.06995","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2111.06995","pdf_url":"https://arxiv.org/pdf/2111.06995","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:ro.uow.edu.au:test2021-4034","is_oa":false,"landing_page_url":"https://ro.uow.edu.au/test2021/3025","pdf_url":null,"source":{"id":"https://openalex.org/S4306400510","display_name":"Research Online (University of Wollongong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I204824540","host_organization_name":"University of Wollongong","host_organization_lineage":["https://openalex.org/I204824540"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Test Series for Scopus Harvesting 2021","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2111.06995","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2111.06995","pdf_url":"https://arxiv.org/pdf/2111.06995","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6504459145","display_name":null,"funder_award_id":"61906173","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1893516992","https://openalex.org/W2004149082","https://openalex.org/W2164760349","https://openalex.org/W2294438834","https://openalex.org/W2526041356","https://openalex.org/W2554408731","https://openalex.org/W2603861860","https://openalex.org/W2613570903","https://openalex.org/W2761860076","https://openalex.org/W2793547936","https://openalex.org/W2798644314","https://openalex.org/W2799211965","https://openalex.org/W2802979841","https://openalex.org/W2899771611","https://openalex.org/W2899936784","https://openalex.org/W2905706796","https://openalex.org/W2912984848","https://openalex.org/W2914177721","https://openalex.org/W2940457086","https://openalex.org/W2941651142","https://openalex.org/W2942750779","https://openalex.org/W2944006115","https://openalex.org/W2948058585","https://openalex.org/W2948246283","https://openalex.org/W2963076818","https://openalex.org/W2963162443","https://openalex.org/W2963177663","https://openalex.org/W2963998561","https://openalex.org/W2964134613","https://openalex.org/W2966210862","https://openalex.org/W2981341885","https://openalex.org/W3020225364","https://openalex.org/W3035050855","https://openalex.org/W3035459165","https://openalex.org/W3036080349","https://openalex.org/W3047772167","https://openalex.org/W3081152303","https://openalex.org/W3094861582","https://openalex.org/W3096814625","https://openalex.org/W3100063341","https://openalex.org/W3103858256","https://openalex.org/W3118303826","https://openalex.org/W3158343070","https://openalex.org/W3165978997","https://openalex.org/W3170161070","https://openalex.org/W3188354902","https://openalex.org/W4230005465","https://openalex.org/W6713134421","https://openalex.org/W6784785809"],"related_works":["https://openalex.org/W2953562271","https://openalex.org/W2334655667","https://openalex.org/W2464530384","https://openalex.org/W2105938841","https://openalex.org/W4253358700","https://openalex.org/W3139863978","https://openalex.org/W4399611050","https://openalex.org/W4388657984","https://openalex.org/W3170431411","https://openalex.org/W3176710608"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,29],"new":[4],"graph":[5,11,31,47],"convolutional":[6,32],"operator":[7],"called":[8],"central":[9],"difference":[10],"convolution":[12,48],"(CDGC)":[13],"for":[14],"skeleton":[15],"based":[16],"action":[17],"recognition.":[18],"It":[19],"is":[20,64,93],"not":[21],"only":[22],"able":[23],"to":[24],"aggregate":[25],"node":[26],"information":[27],"like":[28],"vanilla":[30,46],"operation":[33],"but":[34],"also":[35],"gradient":[36],"information.":[37],"Without":[38],"introducing":[39],"any":[40,50],"additional":[41],"parameters,":[42],"CDGC":[43,63],"can":[44],"replace":[45],"in":[49],"existing":[51],"Graph":[52],"Convolutional":[53],"Networks":[54],"(GCNs).":[55],"In":[56],"addition,":[57],"an":[58],"accelerated":[59],"version":[60],"of":[61,71,88],"the":[62,69,86,89],"developed":[65],"which":[66],"greatly":[67],"improves":[68],"speed":[70],"training.":[72],"Experiments":[73],"on":[74],"two":[75],"popular":[76],"large-scale":[77],"datasets":[78],"NTU":[79],"RGB+D":[80],"60":[81],"&":[82],"120":[83],"have":[84],"demonstrated":[85],"efficacy":[87],"proposed":[90],"CDGC.":[91],"Code":[92],"available":[94],"at":[95],"<uri":[96],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[97],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">https://github.com/iesymiao/CD-GCN</uri>":[98],".":[99]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":22},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":14}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}