{"id":"https://openalex.org/W4409761335","doi":"https://doi.org/10.1109/access.2025.3563898","title":"DCT-DiffPose: A Lightweight Diffusion Model With Multi-Hypothesis for 3D Human Pose Estimation","display_name":"DCT-DiffPose: A Lightweight Diffusion Model With Multi-Hypothesis for 3D Human Pose Estimation","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4409761335","doi":"https://doi.org/10.1109/access.2025.3563898"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3563898","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3563898","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2025.3563898","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088306902","display_name":"Lili Zhong","orcid":null},"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":true,"raw_author_name":"Linzhan Zhong","raw_affiliation_strings":["College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]},{"raw_affiliation_string":"The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067500427","display_name":"Fangni Chen","orcid":"https://orcid.org/0000-0002-4518-585X"},"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":"Fangni Chen","raw_affiliation_strings":["College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]},{"raw_affiliation_string":"The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063699066","display_name":"Bolun Zheng","orcid":"https://orcid.org/0000-0001-8788-1725"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bolun Zheng","raw_affiliation_strings":["School of Automation, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Automation, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109435836","display_name":"Rui Feng","orcid":"https://orcid.org/0000-0002-0611-9518"},"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":"Rui Feng","raw_affiliation_strings":["College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]},{"raw_affiliation_string":"The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100433836","display_name":"Lei Zhang","orcid":"https://orcid.org/0000-0001-7584-0184"},"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":"Lei Zhang","raw_affiliation_strings":["College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]},{"raw_affiliation_string":"The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082606335","display_name":"Jian Wan","orcid":"https://orcid.org/0000-0001-9882-3029"},"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":"Jian Wan","raw_affiliation_strings":["College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]},{"raw_affiliation_string":"The College of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou, China","institution_ids":["https://openalex.org/I168879160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5088306902"],"corresponding_institution_ids":["https://openalex.org/I168879160"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.2784,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.79049903,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"13","issue":null,"first_page":"73319","last_page":"73331"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9948999881744385,"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":0.9948999881744385,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9904000163078308,"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"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9395999908447266,"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/computer-science","display_name":"Computer science","score":0.665778636932373},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.5764294862747192},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.4837929904460907},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.468315452337265},{"id":"https://openalex.org/keywords/solid-modeling","display_name":"Solid modeling","score":0.453235387802124},{"id":"https://openalex.org/keywords/pose","display_name":"Pose","score":0.42621105909347534},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40904468297958374},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4012448489665985},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08174535632133484}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.665778636932373},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5764294862747192},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.4837929904460907},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.468315452337265},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.453235387802124},{"id":"https://openalex.org/C52102323","wikidata":"https://www.wikidata.org/wiki/Q1671968","display_name":"Pose","level":2,"score":0.42621105909347534},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40904468297958374},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4012448489665985},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08174535632133484},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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":2,"locations":[{"id":"doi:10.1109/access.2025.3563898","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3563898","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:81eccde04d4548ccb9616e6b869fe680","is_oa":true,"landing_page_url":"https://doaj.org/article/81eccde04d4548ccb9616e6b869fe680","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 73319-73331 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3563898","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3563898","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6100000143051147,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":63,"referenced_works":["https://openalex.org/W1965042405","https://openalex.org/W1966528181","https://openalex.org/W2101032778","https://openalex.org/W2404110771","https://openalex.org/W2518965973","https://openalex.org/W2559085405","https://openalex.org/W2756050327","https://openalex.org/W2797184202","https://openalex.org/W2810607340","https://openalex.org/W2912848308","https://openalex.org/W2964062189","https://openalex.org/W2964221239","https://openalex.org/W2964291722","https://openalex.org/W2969399668","https://openalex.org/W2980755761","https://openalex.org/W2982627166","https://openalex.org/W3089935083","https://openalex.org/W3094502228","https://openalex.org/W3106882556","https://openalex.org/W3109717189","https://openalex.org/W3136525061","https://openalex.org/W3138516171","https://openalex.org/W3154625726","https://openalex.org/W3177075935","https://openalex.org/W3203617912","https://openalex.org/W4210773761","https://openalex.org/W4283825932","https://openalex.org/W4285603535","https://openalex.org/W4292283852","https://openalex.org/W4296355237","https://openalex.org/W4312249545","https://openalex.org/W4312417903","https://openalex.org/W4312914534","https://openalex.org/W4312966446","https://openalex.org/W4385245566","https://openalex.org/W4386075642","https://openalex.org/W4386075813","https://openalex.org/W4386083126","https://openalex.org/W4386083132","https://openalex.org/W4389298891","https://openalex.org/W4390190181","https://openalex.org/W4390190574","https://openalex.org/W4390871676","https://openalex.org/W4390872876","https://openalex.org/W4390873435","https://openalex.org/W4390873590","https://openalex.org/W4390873752","https://openalex.org/W4390874423","https://openalex.org/W4390874574","https://openalex.org/W4392903193","https://openalex.org/W4393158891","https://openalex.org/W4399376085","https://openalex.org/W4402715909","https://openalex.org/W6610566761","https://openalex.org/W6679045638","https://openalex.org/W6757817989","https://openalex.org/W6766978945","https://openalex.org/W6779823529","https://openalex.org/W6782095612","https://openalex.org/W6788990321","https://openalex.org/W6794073987","https://openalex.org/W6797359156","https://openalex.org/W6802905620"],"related_works":["https://openalex.org/W1916685473","https://openalex.org/W2055682261","https://openalex.org/W1993363272","https://openalex.org/W2186390138","https://openalex.org/W2060035984","https://openalex.org/W2790129917","https://openalex.org/W2992856432","https://openalex.org/W2100638064","https://openalex.org/W2127787376","https://openalex.org/W2534655758"],"abstract_inverted_index":{"3D":[0],"human":[1],"pose":[2],"estimation":[3],"is":[4],"a":[5,33,38,123,133],"crucial":[6],"task":[7],"in":[8,136],"computer":[9],"vision":[10],"with":[11,41],"extensive":[12,112],"applications,":[13],"yet":[14],"it":[15,49],"remains":[16],"challenging":[17],"due":[18],"to":[19,90,139],"depth":[20,80],"ambiguity":[21],"and":[22,43,66,69,76,117,132,149],"constraints":[23],"on":[24,74,114],"computational":[25,105],"efficiency.":[26],"In":[27],"this":[28],"paper,":[29],"we":[30,83,110],"propose":[31],"DCT-DiffPose,":[32,109],"novel":[34],"framework":[35],"that":[36],"integrates":[37],"diffusion":[39,62],"model":[40,63],"Confidence":[42],"Consistency-based":[44],"Multi-Hypothesis":[45],"Aggregation":[46],"(CCMA).":[47],"Moreover,":[48],"incorporate":[50,84],"the":[51,61,87,95,115],"Discrete":[52],"Cosine":[53],"Transform":[54],"(DCT)":[55],"for":[56],"frequency-domain":[57],"feature":[58,100],"extraction.":[59],"Specifically,":[60],"generates":[64],"diverse":[65],"plausible":[67],"hypotheses,":[68],"CCMA":[70],"aggregates":[71],"them":[72],"based":[73],"confidence":[75],"consistency,":[77],"effectively":[78],"addressing":[79],"ambiguity.":[81],"Additionally,":[82],"DCT":[85],"into":[86,94],"self-attention":[88],"mechanism":[89],"transform":[91],"input":[92],"data":[93],"frequency":[96],"domain,":[97],"thereby":[98],"enhancing":[99],"extraction":[101],"while":[102],"significantly":[103],"reducing":[104],"complexity.":[106,150],"To":[107],"validate":[108],"conducted":[111],"experiments":[113],"Human3.6M":[116],"MPI-INF-3DHP":[118],"datasets.":[119],"Our":[120],"method":[121],"achieves":[122],"19%":[124],"lower":[125],"Mean":[126],"Per":[127],"Joint":[128],"Position":[129],"Error":[130],"(MPJPE)":[131],"55%":[134],"reduction":[135],"FLOPs":[137],"compared":[138],"D3DP.":[140],"The":[141],"results":[142],"demonstrate":[143],"its":[144],"excellent":[145],"trade-off":[146],"between":[147],"accuracy":[148]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
