{"id":"https://openalex.org/W4407580021","doi":"https://doi.org/10.1142/s0218126625502391","title":"Spatio-Temporal Feature Extraction for Human Action Recognition in Visual Communication Systems Using Improved ST-GCN","display_name":"Spatio-Temporal Feature Extraction for Human Action Recognition in Visual Communication Systems Using Improved ST-GCN","publication_year":2025,"publication_date":"2025-02-15","ids":{"openalex":"https://openalex.org/W4407580021","doi":"https://doi.org/10.1142/s0218126625502391"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126625502391","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126625502391","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-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":null,"display_name":"Weitao Gao","orcid":"https://orcid.org/0009-0000-8042-6877"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weitao Gao","raw_affiliation_strings":["School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0009-0000-8042-6877","affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]},{"raw_affiliation_string":"State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Chenbin Wang","orcid":"https://orcid.org/0009-0000-3390-264X"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenbin Wang","raw_affiliation_strings":["School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0009-0000-3390-264X","affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]},{"raw_affiliation_string":"State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Changxin Chen","orcid":"https://orcid.org/0009-0005-7185-0621"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changxin Chen","raw_affiliation_strings":["School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0009-0005-7185-0621","affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]},{"raw_affiliation_string":"State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Tiehua Ma","orcid":"https://orcid.org/0009-0002-1140-9859"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiehua Ma","raw_affiliation_strings":["School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0009-0002-1140-9859","affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]},{"raw_affiliation_string":"State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"last","author":{"id":null,"display_name":"Wenchao Guo","orcid":"https://orcid.org/0009-0004-5950-3865"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenchao Guo","raw_affiliation_strings":["School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0009-0004-5950-3865","affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]},{"raw_affiliation_string":"State Key Laboratory of Dynamic Testing Technology, North University of China, Taiyuan 030051, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I135714990"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I135714990"],"apc_list":null,"apc_paid":null,"fwci":3.0131,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.90092714,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"34","issue":"11","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9941999912261963,"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":0.9941999912261963,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.992900013923645,"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":0.9715999960899353,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.675188422203064},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.643764853477478},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5804640054702759},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5723364949226379},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.548371434211731},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5423738360404968},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.48940029740333557},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4217888116836548},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3655768036842346}],"concepts":[{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.675188422203064},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.643764853477478},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5804640054702759},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5723364949226379},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.548371434211731},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5423738360404968},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.48940029740333557},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4217888116836548},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3655768036842346},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218126625502391","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126625502391","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W2972546487","https://openalex.org/W2991727786","https://openalex.org/W2998372939","https://openalex.org/W2999196706","https://openalex.org/W3006579455","https://openalex.org/W3006716946","https://openalex.org/W3015014633","https://openalex.org/W3034996364","https://openalex.org/W3047772167","https://openalex.org/W3049411219","https://openalex.org/W3084215704","https://openalex.org/W3088102655","https://openalex.org/W3092458367","https://openalex.org/W3137592945","https://openalex.org/W3155131285","https://openalex.org/W3160967194","https://openalex.org/W3165224498","https://openalex.org/W3174700976","https://openalex.org/W3195008180","https://openalex.org/W3210343829","https://openalex.org/W3212847756","https://openalex.org/W3213747105","https://openalex.org/W4206278567","https://openalex.org/W4210320706","https://openalex.org/W4220894661","https://openalex.org/W4282601079","https://openalex.org/W4290993757","https://openalex.org/W4296990560","https://openalex.org/W4307437114","https://openalex.org/W4312044870","https://openalex.org/W4321765060","https://openalex.org/W4323891852","https://openalex.org/W4327521799","https://openalex.org/W4362585144","https://openalex.org/W4366492952","https://openalex.org/W4379927854","https://openalex.org/W4382683887","https://openalex.org/W4382982491","https://openalex.org/W4384927449","https://openalex.org/W4386594521","https://openalex.org/W4387669684","https://openalex.org/W4387682261","https://openalex.org/W4389170038","https://openalex.org/W4390736386","https://openalex.org/W4392405597","https://openalex.org/W4400579183","https://openalex.org/W4401052820","https://openalex.org/W4401070237","https://openalex.org/W4401567615"],"related_works":["https://openalex.org/W3147584709","https://openalex.org/W2977677679","https://openalex.org/W1992327129","https://openalex.org/W2381986121","https://openalex.org/W2370918718","https://openalex.org/W2256933480","https://openalex.org/W2027854990","https://openalex.org/W2370081953","https://openalex.org/W1576128429","https://openalex.org/W2269464716"],"abstract_inverted_index":{"Using":[0],"the":[1,19,33,40,44,53,67,72,89,96,103,111,120,124,146,154,176,193,214,223],"Spatio-Temporal":[2],"Graph":[3],"Convolutional":[4],"Networks":[5],"(ST-GCN)":[6],"model,":[7],"this":[8],"study":[9],"applies":[10],"an":[11],"improved":[12,209],"spatial-temporal":[13],"feature":[14],"extraction":[15],"mechanism":[16],"to":[17,38,51,61,70,94,114],"enhance":[18],"performance":[20,160],"of":[21,82,123,182,187,218],"visual":[22,155,224],"communication":[23,156,225],"system":[24],"in":[25,110,161,164,184],"human":[26,63],"action":[27,83,162,204,216],"recognition":[28,163,205,217],"for":[29,199],"dynamic":[30,165,220],"graphics.":[31],"First,":[32],"Canny":[34],"operator":[35],"is":[36,49,59,92,108,151,167,189,206],"used":[37,50,60],"extract":[39,62],"foreground":[41],"contour,":[42],"and":[43,74,88,131,137,140,158,192],"Conditional":[45],"Random":[46],"Field":[47],"(CRF)":[48],"suppress":[52],"background":[54],"interference":[55],"information.":[56],"Then,":[57],"MediaPipe":[58],"key":[64,84,100],"points":[65,85],"from":[66],"video":[68],"frame":[69],"identify":[71],"position":[73],"connection":[75,97],"relationship.":[76],"Based":[77],"on":[78],"ST-GCN,":[79],"spatial":[80,139],"features":[81,142],"are":[86,135,143],"extracted,":[87],"adjacency":[90],"matrix":[91],"defined":[93],"describe":[95],"relationship":[98],"between":[99],"points.":[101],"At":[102],"same":[104],"time,":[105],"dilated":[106],"convolution":[107,125],"applied":[109],"time":[112],"dimension":[113],"capture":[115],"long-term":[116],"dependencies":[117],"by":[118,222],"increasing":[119],"receptive":[121],"field":[122],"kernel.":[126],"Multiple":[127],"graph":[128],"convolutional":[129,133],"layers":[130,134],"temporal":[132,141],"stacked,":[136],"both":[138],"captured.":[144],"Finally,":[145],"Improved":[147],"ST-GCN":[148],"model":[149],"(I-ST-GCN)":[150],"integrated":[152],"into":[153],"system,":[157],"its":[159],"images":[166],"evaluated":[168],"through":[169],"multi-scene":[170],"tests.":[171],"The":[172,208],"results":[173],"show":[174],"that":[175],"Mean":[177],"Average":[178],"Precision":[179],"(mAP)":[180],"value":[181,198],"I-ST-GCN":[183],"four":[185],"groups":[186],"tests":[188],"above":[190],"0.94,":[191],"Intersection":[194],"over":[195],"Union":[196],"(IoU)":[197],"Step":[200],"Down":[201],"complex":[202,219],"occluded":[203],"0.90.":[207],"method":[210],"adopted":[211],"can":[212],"realize":[213],"precise":[215],"graphics":[221],"system.":[226]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}