{"id":"https://openalex.org/W7133898827","doi":"https://doi.org/10.48550/arxiv.2603.04338","title":"ArtHOI: Articulated Human-Object Interaction Synthesis by 4D Reconstruction from Video Priors","display_name":"ArtHOI: Articulated Human-Object Interaction Synthesis by 4D Reconstruction from Video Priors","publication_year":2026,"publication_date":"2026-03-04","ids":{"openalex":"https://openalex.org/W7133898827","doi":"https://doi.org/10.48550/arxiv.2603.04338"},"language":null,"primary_location":{"id":"pmh:doi:10.48550/arxiv.2603.04338","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"Article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":null,"any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5128157258","display_name":"Zihao Huang","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Huang, Zihao","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128212099","display_name":"Tianqi Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Tianqi","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128194671","display_name":"Zhaoxi Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Zhaoxi","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128176570","display_name":"Shaocong Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Shaocong","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128209994","display_name":"Saining Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Saining","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112595869","display_name":"Linqi Xiao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiao, Lixing","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Cao, Zhiguo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cao, Zhiguo","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128172166","display_name":"Wei Li (7081)","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Wei","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128161452","display_name":"Hao Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhao, Hao","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5128163206","display_name":"Ziwei Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Ziwei","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5128157258"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.6424000263214111,"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/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.6424000263214111,"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/T10653","display_name":"Robot Manipulation and Learning","score":0.1535000056028366,"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/T12290","display_name":"Human Motion and Animation","score":0.05950000137090683,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/monocular","display_name":"Monocular","score":0.6205999851226807},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.5541999936103821},{"id":"https://openalex.org/keywords/view-synthesis","display_name":"View synthesis","score":0.5339000225067139},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.45019999146461487},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.44999998807907104},{"id":"https://openalex.org/keywords/observer","display_name":"Observer (physics)","score":0.44850000739097595},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.3970000147819519},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.36000001430511475}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7748000025749207},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7458999752998352},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7016000151634216},{"id":"https://openalex.org/C65909025","wikidata":"https://www.wikidata.org/wiki/Q1945033","display_name":"Monocular","level":2,"score":0.6205999851226807},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.5541999936103821},{"id":"https://openalex.org/C2776449333","wikidata":"https://www.wikidata.org/wiki/Q7928781","display_name":"View synthesis","level":3,"score":0.5339000225067139},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.45019999146461487},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.44999998807907104},{"id":"https://openalex.org/C2780704645","wikidata":"https://www.wikidata.org/wiki/Q9251458","display_name":"Observer (physics)","level":2,"score":0.44850000739097595},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.3970000147819519},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.36000001430511475},{"id":"https://openalex.org/C48007421","wikidata":"https://www.wikidata.org/wiki/Q676252","display_name":"Motion capture","level":3,"score":0.3540000021457672},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.34150001406669617},{"id":"https://openalex.org/C109950114","wikidata":"https://www.wikidata.org/wiki/Q4464732","display_name":"3D reconstruction","level":2,"score":0.3411000072956085},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.33709999918937683},{"id":"https://openalex.org/C177769412","wikidata":"https://www.wikidata.org/wiki/Q278090","display_name":"Prior probability","level":3,"score":0.33410000801086426},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.33399999141693115},{"id":"https://openalex.org/C2779337067","wikidata":"https://www.wikidata.org/wiki/Q4800961","display_name":"Articulation (sociology)","level":3,"score":0.3086000084877014},{"id":"https://openalex.org/C22100474","wikidata":"https://www.wikidata.org/wiki/Q4800952","display_name":"Articulated body pose estimation","level":4,"score":0.2989000082015991},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.2775000035762787},{"id":"https://openalex.org/C50494287","wikidata":"https://www.wikidata.org/wiki/Q658467","display_name":"Texture synthesis","level":5,"score":0.27709999680519104},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.26499998569488525},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.2551000118255615},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.2531999945640564}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:doi:10.48550/arxiv.2603.04338","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"Article"},{"id":"doi:10.48550/arxiv.2603.04338","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.04338","pdf_url":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:doi:10.48550/arxiv.2603.04338","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"Article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Synthesizing":[0],"physically":[1,96,198],"plausible":[2,97],"articulated":[3,45,71,116,202],"human-object":[4,24,117],"interactions":[5,191],"(HOI)":[6],"without":[7,73],"3D/4D":[8],"supervision":[9,86],"remains":[10],"a":[11,49,59,63,68,138],"fundamental":[12],"challenge.":[13],"While":[14],"recent":[15],"zero-shot":[16,113,223],"approaches":[17],"leverage":[18],"video":[19,55,60,84,124],"diffusion":[20,64],"models":[21],"to":[22,30,141],"synthesize":[23,174],"interactions,":[25],"they":[26],"are":[27,193],"largely":[28],"confined":[29],"rigid-object":[31],"manipulation":[32,228],"and":[33,95,105,159,187,197,219],"lack":[34],"explicit":[35],"4D":[36,50,70,98,121],"geometric":[37,139],"reasoning.":[38],"To":[39],"bridge":[40],"this":[41],"gap,":[42],"we":[43,66,168],"formulate":[44],"HOI":[46],"synthesis":[47,119,225],"as":[48,85,137],"reconstruction":[51,122,152],"problem":[52],"from":[53,123,144],"monocular":[54,148,165],"priors:":[56],"given":[57],"only":[58],"generated":[61,82],"by":[62],"model,":[65],"reconstruct":[67],"full":[69],"scene":[72],"any":[74],"3D":[75],"supervision.":[76],"This":[77],"reconstruction-based":[78],"approach":[79],"treats":[80],"the":[81,111,179],"2D":[83],"for":[87,115],"an":[88],"inverse":[89],"rendering":[90],"problem,":[91],"recovering":[92],"geometrically":[93],"consistent":[94],"scenes":[99,203],"that":[100,192],"naturally":[101],"respect":[102],"contact,":[103],"articulation,":[104,172],"temporal":[106],"coherence.":[107],"We":[108],"introduce":[109],"ArtHOI,":[110],"first":[112,169],"framework":[114],"interaction":[118,224],"via":[120],"priors.":[125],"Our":[126],"key":[127],"designs":[128],"are:":[129],"1)":[130],"Flow-based":[131],"part":[132],"segmentation:":[133],"leveraging":[134],"optical":[135],"flow":[136],"cue":[140],"disentangle":[142],"dynamic":[143],"static":[145],"regions":[146],"in":[147,214],"video;":[149],"2)":[150],"Decoupled":[151],"pipeline:":[153],"joint":[154],"optimization":[155],"of":[156],"human":[157,175],"motion":[158,176],"object":[160,171,181],"articulation":[161,220],"is":[162],"unstable":[163],"under":[164],"ambiguity,":[166],"so":[167],"recover":[170],"then":[173],"conditioned":[177],"on":[178],"reconstructed":[180],"states.":[182],"ArtHOI":[183,209],"bridges":[184],"video-based":[185],"generation":[186],"geometry-aware":[188],"reconstruction,":[189],"producing":[190],"both":[194],"semantically":[195],"aligned":[196],"grounded.":[199],"Across":[200],"diverse":[201],"(e.g.,":[204],"opening":[205],"fridges,":[206],"cabinets,":[207],"microwaves),":[208],"significantly":[210],"outperforms":[211],"prior":[212],"methods":[213],"contact":[215],"accuracy,":[216],"penetration":[217],"reduction,":[218],"fidelity,":[221],"extending":[222],"beyond":[226],"rigid":[227],"through":[229],"reconstruction-informed":[230],"synthesis.":[231]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2026-03-06T00:00:00"}