{"id":"https://openalex.org/W4409882846","doi":"https://doi.org/10.1109/lsp.2025.3564883","title":"Dual Space Representation Learning for Skeleton-Based Action Recognition","display_name":"Dual Space Representation Learning for Skeleton-Based Action Recognition","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4409882846","doi":"https://doi.org/10.1109/lsp.2025.3564883"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2025.3564883","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2025.3564883","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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":"https://openalex.org/A5101212993","display_name":"Yuheng Yang","orcid":"https://orcid.org/0000-0001-7599-2823"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuheng Yang","raw_affiliation_strings":["College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China"],"raw_orcid":"https://orcid.org/0000-0001-7599-2823","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100627248","display_name":"Haipeng Chen","orcid":"https://orcid.org/0000-0002-9410-4120"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haipeng Chen","raw_affiliation_strings":["College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China"],"raw_orcid":"https://orcid.org/0000-0002-9410-4120","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101715620","display_name":"Zhenguang Liu","orcid":"https://orcid.org/0000-0002-7981-9873"},"institutions":[{"id":"https://openalex.org/I168879160","display_name":"Zhejiang University of Science and Technology","ror":"https://ror.org/05mx0wr29","country_code":"CN","type":"education","lineage":["https://openalex.org/I168879160"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenguang Liu","raw_affiliation_strings":["School of Cyber Science and Technology, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-7981-9873","affiliations":[{"raw_affiliation_string":"School of Cyber Science and Technology, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071522360","display_name":"Sihao Hu","orcid":"https://orcid.org/0000-0003-3297-6991"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sihao Hu","raw_affiliation_strings":["College of Computing, Georgia Institute of Technology, Atlanta, USA","College of Computing, Georgia Institute of Technology, Georgia, USA"],"raw_orcid":"https://orcid.org/0000-0003-3297-6991","affiliations":[{"raw_affiliation_string":"College of Computing, Georgia Institute of Technology, Atlanta, USA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"College of Computing, Georgia Institute of Technology, Georgia, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068056273","display_name":"Yingying Jiao","orcid":null},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingying Jiao","raw_affiliation_strings":["College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China"],"raw_orcid":"https://orcid.org/0009-0003-5630-7271","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06456651,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":null,"first_page":"2104","last_page":"2108"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9965999722480774,"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":0.9965999722480774,"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":0.9648000001907349,"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":0.9363999962806702,"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":0.688572883605957},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.6393557190895081},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5881524085998535},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5481751561164856},{"id":"https://openalex.org/keywords/dual-representation","display_name":"Dual representation","score":0.5456609725952148},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5050542950630188},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.48184406757354736},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4775869846343994},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.42882031202316284},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.4247896671295166},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.39306145906448364},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.12319904565811157},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09288766980171204}],"concepts":[{"id":"https://openalex.org/C18969341","wikidata":"https://www.wikidata.org/wiki/Q1169129","display_name":"Skeleton (computer programming)","level":2,"score":0.688572883605957},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.6393557190895081},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5881524085998535},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5481751561164856},{"id":"https://openalex.org/C84750791","wikidata":"https://www.wikidata.org/wiki/Q3427408","display_name":"Dual representation","level":3,"score":0.5456609725952148},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5050542950630188},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.48184406757354736},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4775869846343994},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.42882031202316284},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.4247896671295166},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.39306145906448364},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.12319904565811157},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09288766980171204},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"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/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2025.3564883","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2025.3564883","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[{"id":"https://openalex.org/G8209437284","display_name":null,"funder_award_id":"62276112","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":29,"referenced_works":["https://openalex.org/W2024969445","https://openalex.org/W2054041160","https://openalex.org/W2944006115","https://openalex.org/W2948058585","https://openalex.org/W2963076818","https://openalex.org/W2964134613","https://openalex.org/W3035225512","https://openalex.org/W3203634062","https://openalex.org/W4240135147","https://openalex.org/W4312743193","https://openalex.org/W4312757522","https://openalex.org/W4385194759","https://openalex.org/W4385767975","https://openalex.org/W4386065362","https://openalex.org/W4389331945","https://openalex.org/W4390659911","https://openalex.org/W4390871806","https://openalex.org/W4390871950","https://openalex.org/W4400166489","https://openalex.org/W4401018833","https://openalex.org/W4402716188","https://openalex.org/W4408144799","https://openalex.org/W6762358693","https://openalex.org/W6766952790","https://openalex.org/W6767121309","https://openalex.org/W6785818760","https://openalex.org/W6849375654","https://openalex.org/W6850445340","https://openalex.org/W6876827905"],"related_works":["https://openalex.org/W2157312770","https://openalex.org/W2555323061","https://openalex.org/W4399611050","https://openalex.org/W4394954647","https://openalex.org/W3170431411","https://openalex.org/W4391520729","https://openalex.org/W4366413748","https://openalex.org/W4236344264","https://openalex.org/W1988622314","https://openalex.org/W4391974044"],"abstract_inverted_index":{"Skeleton-based":[0],"action":[1],"recognition":[2],"is":[3],"crucial":[4],"for":[5,35],"machine":[6],"intelligence.":[7],"Current":[8],"methods":[9],"generally":[10],"learn":[11],"from":[12,47,101],"3D":[13],"articulated":[14],"motion":[15,77,99],"sequences":[16,78],"in":[17,79],"the":[18,23,32,37,48,76,88,98,112,129],"straightforward":[19],"Euclidean":[20,27,105],"space.":[21],"Yet,":[22],"<italic":[24],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[25],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">vanilla</i>":[26],"space":[28,69],"may":[29],"not":[30],"be":[31],"optimal":[33],"choice":[34],"modeling":[36],"intricate":[38],"correlations":[39,56,115],"among":[40],"human":[41,52,93,119],"body":[42],"joints.":[43],"This":[44],"challenge":[45],"arises":[46],"non-Euclidean":[49,89],"nature":[50],"of":[51,92],"anatomy,":[53],"where":[54],"joint":[55,114],"often":[57],"vary":[58],"non-linearly":[59],"during":[60],"movement.":[61],"To":[62],"address":[63],"this,":[64],"we":[65,74],"propose":[66],"a":[67],"dual":[68],"representation":[70],"learning":[71],"method.":[72],"Specifically,":[73],"represent":[75],"Hyperbolic":[80,103],"space,":[81],"leveraging":[82],"its":[83],"intrinsic":[84],"properties":[85],"to":[86,109],"capture":[87],"latent":[90],"anatomy":[91],"motions.":[94],"We":[95],"then":[96],"incorporate":[97],"features":[100],"both":[102],"and":[104,135],"spaces,":[106],"allowing":[107],"us":[108],"precisely":[110],"model":[111],"non-linear":[113],"while":[116],"effectively":[117],"sketching":[118],"poses.":[120],"The":[121],"proposed":[122],"method":[123],"empirically":[124],"achieves":[125],"state-of-the-art":[126],"performance":[127],"on":[128],"NTU":[130],"RGB+D":[131],"60,":[132],"NTURGB+D":[133],"120,":[134],"NW-UCLA":[136],"datasets.":[137]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}