{"id":"https://openalex.org/W7162010940","doi":"https://doi.org/10.1145/3842509","title":"Open-CHOIR: Open-World Contact-Aware 4D Hand-Object Interaction Reconstruction","display_name":"Open-CHOIR: Open-World Contact-Aware 4D Hand-Object Interaction Reconstruction","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7162010940","doi":"https://doi.org/10.1145/3842509"},"language":"en","primary_location":{"id":"doi:10.1145/3842509","doi":"https://doi.org/10.1145/3842509","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842509","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1145/3842509","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5141791528","display_name":"Hao Xu","orcid":"https://orcid.org/0000-0003-3676-5737","observed_orcids":["https://orcid.org/0000-0003-3676-5737"]},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hao Xu","raw_affiliation_strings":["Chinese University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-3676-5737","affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136663323","display_name":"Yilin Liu","orcid":"https://orcid.org/0000-0001-7336-1956","observed_orcids":["https://orcid.org/0000-0001-7336-1956"]},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yilin Liu","raw_affiliation_strings":["University College London (UCL), London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-7336-1956","affiliations":[{"raw_affiliation_string":"University College London (UCL), London, United Kingdom","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136646170","display_name":"Yinqiao Wang","orcid":"https://orcid.org/0000-0002-6099-206X","observed_orcids":["https://orcid.org/0000-0002-6099-206X"]},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yinqiao Wang","raw_affiliation_strings":["Chinese University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-6099-206X","affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136615516","display_name":"Chi-Wing Fu","orcid":"https://orcid.org/0000-0002-5238-593X","observed_orcids":["https://orcid.org/0000-0002-5238-593X"]},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chi-Wing Fu","raw_affiliation_strings":["Chinese University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-5238-593X","affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058170430","display_name":"Niloy J. Mitra","orcid":"https://orcid.org/0000-0002-2597-0914","observed_orcids":["https://orcid.org/0000-0002-2597-0914"]},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Niloy Mitra","raw_affiliation_strings":["Adobe Research, London, United Kingdom","University College London (UCL), London, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0002-2597-0914","affiliations":[{"raw_affiliation_string":"Adobe Research, London, United Kingdom","institution_ids":[]},{"raw_affiliation_string":"University College London (UCL), London, United Kingdom","institution_ids":["https://openalex.org/I45129253"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":9.8144,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.98143054,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"45","issue":"6","first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.3463999927043915,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.3463999927043915,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10653","display_name":"Robot Manipulation and Learning","score":0.2443999946117401,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10531","display_name":"Advanced Vision and Imaging","score":0.17069999873638153,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/monocular-video","display_name":"monocular video","score":0.7699999809265137},{"id":"https://openalex.org/keywords/6d-pose-estimation","display_name":"6D pose estimation","score":0.8149999976158142},{"id":"https://openalex.org/keywords/temporal-coherence","display_name":"temporal coherence","score":0.47699999809265137},{"id":"https://openalex.org/keywords/physical-plausibility","display_name":"physical plausibility","score":0.6869999766349792}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7132999897003174},{"id":"https://openalex.org/C65909025","wikidata":"https://www.wikidata.org/wiki/Q1945033","display_name":"Monocular","level":2,"score":0.6801999807357788},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6801000237464905},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6395000219345093},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.609499990940094},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5504999756813049},{"id":"https://openalex.org/C50942859","wikidata":"https://www.wikidata.org/wiki/Q4967193","display_name":"Rectification","level":3,"score":0.438400000333786},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.42890000343322754},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.3971000015735626},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.3544999957084656},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.3327000141143799},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.3271999955177307},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.31610000133514404},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.31290000677108765},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.2971999943256378},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.29420000314712524},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.2930999994277954},{"id":"https://openalex.org/C39890363","wikidata":"https://www.wikidata.org/wiki/Q36108","display_name":"Generative grammar","level":2,"score":0.28139999508857727},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.27619999647140503},{"id":"https://openalex.org/C152086174","wikidata":"https://www.wikidata.org/wiki/Q3030571","display_name":"Haptic technology","level":2,"score":0.2687999904155731},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.2678999900817871},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.267300009727478},{"id":"https://openalex.org/C193581530","wikidata":"https://www.wikidata.org/wiki/Q683778","display_name":"Structured light","level":2,"score":0.2603999972343445},{"id":"https://openalex.org/C30684385","wikidata":"https://www.wikidata.org/wiki/Q176509","display_name":"Ringing","level":3,"score":0.2574000060558319},{"id":"https://openalex.org/C158829959","wikidata":"https://www.wikidata.org/wiki/Q1640606","display_name":"Monocular vision","level":2,"score":0.25450000166893005}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3842509","doi":"https://doi.org/10.1145/3842509","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842509","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2605.20992","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2605.20992","pdf_url":"https://arxiv.org/pdf/2605.20992","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2605.20992","doi":"https://doi.org/10.48550/arxiv.2605.20992","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.20992","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.1145/3842509","doi":"https://doi.org/10.1145/3842509","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3842509","pdf_url":null,"source":{"id":"https://openalex.org/S185367456","display_name":"ACM Transactions on Graphics","issn_l":"0730-0301","issn":["0730-0301","1557-7368"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Graphics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G8567393146","display_name":null,"funder_award_id":"T45-401/22-N","funder_id":"https://openalex.org/F4320322942","funder_display_name":"Chinese University of Hong Kong"}],"funders":[{"id":"https://openalex.org/F4320322942","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7162010940.pdf","grobid_xml":"https://content.openalex.org/works/W7162010940.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W2768683308","https://openalex.org/W2949520286","https://openalex.org/W2994725031","https://openalex.org/W3081268564","https://openalex.org/W4312331262","https://openalex.org/W4383108746","https://openalex.org/W4401307635","https://openalex.org/W4413259100","https://openalex.org/W4416551737","https://openalex.org/W6967128091","https://openalex.org/W7075993779","https://openalex.org/W7133185896","https://openalex.org/W7160165260","https://openalex.org/W7197028700"],"related_works":["https://openalex.org/W7143395452","https://openalex.org/W4416956320","https://openalex.org/W7214966384","https://openalex.org/W7161307565","https://openalex.org/W7164911458","https://openalex.org/W4313048471","https://openalex.org/W7128361575","https://openalex.org/W7128096965","https://openalex.org/W4416966501","https://openalex.org/W6929332335"],"abstract_inverted_index":{"We":[0],"ask":[1],"whether":[2],"everyday":[3],"open-world":[4,120],"monocular":[5,55,97],"videos":[6,56,172],"can":[7],"be":[8],"turned":[9],"into":[10],"reusable":[11],"4D":[12,116],"interaction":[13,51],"primitives:":[14],"articulated":[15],"hand":[16],"motion,":[17],"object":[18,81,177],"shape":[19],"with":[20,156],"6D":[21],"pose":[22],"over":[23,184],"time,":[24],"and":[25,46,67,71,79,108,136,164,170,181,189],"the":[26,148],"when/where":[27],"of":[28,37],"contact.":[29],"Such":[30],"a":[31,96,113,126,152],"capability":[32],"would":[33],"enable":[34],"scalable":[35],"mining":[36],"real":[38],"interactions":[39],"and,":[40],"beyond":[41],"reconstruction,":[42,178],"support":[43],"scene-aware":[44],"synthesis":[45],"planning.":[47],"However,":[48],"reconstructing":[49],"hand-object":[50,138],"(HOI)":[52],"from":[53,119],"challenging":[54,171],"remains":[57],"difficult:":[58],"methods":[59],"often":[60],"assume":[61],"known":[62],"objects":[63,72],"or":[64],"curated":[65],"scenes,":[66],"separately":[68],"estimated":[69],"hands":[70,107],"easily":[73],"become":[74],"misaligned":[75],"under":[76],"clutter,":[77],"occlusion,":[78],"unseen":[80],"geometries.":[82],"Targeting":[83],"this":[84],"setting,":[85],"we":[86],"present":[87],"Open-CHOIR,":[88],"an":[89,102],"Open-world":[90],"Contact-aware":[91],"HOI":[92,117,128],"Reconstruction":[93],"framework":[94],"for":[95],"camera,":[98],"using":[99],"contact":[100,145,159,165],"as":[101],"explicit":[103],"coupling":[104],"signal":[105],"between":[106],"objects.":[109],"Open-CHOIR":[110,175],"first":[111],"initializes":[112],"coarse,":[114],"contact-agnostic":[115],"sequence":[118],"visual":[121],"priors.":[122],"It":[123],"then":[124,141],"introduces":[125],"generative":[127],"spatial":[129],"rectification":[130],"module":[131],"to":[132],"predict":[133],"ray-depth":[134],"corrections":[135],"rectify":[137],"relative":[139],"placement,":[140],"derive":[142],"initial":[143],"per-frame":[144],"correspondences":[146],"on":[147,168],"rectified":[149],"geometry.":[150],"Last,":[151],"contact-aware":[153],"joint":[154],"optimization":[155],"dynamically":[157],"updated":[158],"constraints":[160],"enforces":[161],"geometric,":[162],"temporal,":[163],"consistency.":[166],"Experiments":[167],"controlled":[169],"show":[173],"that":[174],"improves":[176],"physical":[179],"plausibility,":[180],"temporal":[182],"consistency":[183],"state-of-the-art":[185],"methods.":[186],"Code,":[187],"data,":[188],"pretrained":[190],"weights":[191],"are":[192],"available":[193],"at":[194],"https://github.com/hxwork/CHOIR.":[195]},"counts_by_year":[{"year":2026,"cited_by_count":5}],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-05-22T00:00:00"}