{"id":"https://openalex.org/W7153201406","doi":"https://doi.org/10.48550/arxiv.2604.08548","title":"ETCH-X: Robustify Expressive Body Fitting to Clothed Humans with Composable Datasets","display_name":"ETCH-X: Robustify Expressive Body Fitting to Clothed Humans with Composable Datasets","publication_year":2026,"publication_date":"2026-04-09","ids":{"openalex":"https://openalex.org/W7153201406","doi":"https://doi.org/10.48550/arxiv.2604.08548"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.08548","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08548","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,"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":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.08548","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114138485","display_name":"Xiaoben Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Xiaoben","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133318359","display_name":"Jingyi Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Jingyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133389035","display_name":"Zeyu Cai","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cai, Zeyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133393061","display_name":"Yu Siyuan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yu, Siyuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112389335","display_name":"Boqian Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Boqian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5046118420","display_name":"Yuliang Xiu","orcid":"https://orcid.org/0000-0003-0165-5909"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiu, Yuliang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.4327000081539154,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"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":0.4327000081539154,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.21209999918937683,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.13099999725818634,"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/robustness","display_name":"Robustness (evolution)","score":0.6977999806404114},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5924000144004822},{"id":"https://openalex.org/keywords/modular-design","display_name":"Modular design","score":0.5690000057220459},{"id":"https://openalex.org/keywords/gesture","display_name":"Gesture","score":0.49059998989105225},{"id":"https://openalex.org/keywords/motion-capture","display_name":"Motion capture","score":0.4729999899864197},{"id":"https://openalex.org/keywords/animation","display_name":"Animation","score":0.4390000104904175},{"id":"https://openalex.org/keywords/retargeting","display_name":"Retargeting","score":0.43860000371932983},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.4251999855041504},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.40939998626708984}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8234000205993652},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6977999806404114},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5924000144004822},{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.5690000057220459},{"id":"https://openalex.org/C207347870","wikidata":"https://www.wikidata.org/wiki/Q371174","display_name":"Gesture","level":2,"score":0.49059998989105225},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4828000068664551},{"id":"https://openalex.org/C48007421","wikidata":"https://www.wikidata.org/wiki/Q676252","display_name":"Motion capture","level":3,"score":0.4729999899864197},{"id":"https://openalex.org/C502989409","wikidata":"https://www.wikidata.org/wiki/Q11425","display_name":"Animation","level":2,"score":0.4390000104904175},{"id":"https://openalex.org/C2780575108","wikidata":"https://www.wikidata.org/wiki/Q7316652","display_name":"Retargeting","level":2,"score":0.43860000371932983},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.4251999855041504},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.40939998626708984},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40779998898506165},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.39010000228881836},{"id":"https://openalex.org/C90697248","wikidata":"https://www.wikidata.org/wiki/Q1062896","display_name":"Character animation","level":4,"score":0.34610000252723694},{"id":"https://openalex.org/C24574437","wikidata":"https://www.wikidata.org/wiki/Q7135228","display_name":"Parametric model","level":3,"score":0.3345000147819519},{"id":"https://openalex.org/C88482812","wikidata":"https://www.wikidata.org/wiki/Q6453666","display_name":"Modular programming","level":2,"score":0.3230000138282776},{"id":"https://openalex.org/C138591656","wikidata":"https://www.wikidata.org/wiki/Q5157538","display_name":"Computer facial animation","level":4,"score":0.3149000108242035},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.30720001459121704},{"id":"https://openalex.org/C150303390","wikidata":"https://www.wikidata.org/wiki/Q1983852","display_name":"Virtual actor","level":3,"score":0.30550000071525574},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.302700012922287},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.29670000076293945},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.27880001068115234},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.27399998903274536},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.27379998564720154},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.27300000190734863},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.266400009393692},{"id":"https://openalex.org/C181095308","wikidata":"https://www.wikidata.org/wiki/Q1541599","display_name":"Geometric primitive","level":2,"score":0.26499998569488525},{"id":"https://openalex.org/C107953548","wikidata":"https://www.wikidata.org/wiki/Q1172433","display_name":"Wired glove","level":3,"score":0.2612999975681305},{"id":"https://openalex.org/C530175646","wikidata":"https://www.wikidata.org/wiki/Q11460","display_name":"Clothing","level":2,"score":0.25999999046325684},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.2590000033378601},{"id":"https://openalex.org/C160920958","wikidata":"https://www.wikidata.org/wiki/Q7662746","display_name":"Synthetic data","level":2,"score":0.25380000472068787},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.08548","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08548","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,"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":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.08548","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08548","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,"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":false,"raw_source_name":null,"raw_type":"Preprint"},"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":{"Human":[0],"body":[1,6,121],"fitting,":[2],"which":[3,82],"aligns":[4],"parametric":[5],"models":[7,219],"such":[8,43,193,208],"as":[9,20,44,194,209],"SMPL":[10],"to":[11,51,80,88,107],"raw":[12],"3D":[13],"point":[14],"clouds":[15],"of":[16,160,178],"clothed":[17],"humans,":[18],"serves":[19],"a":[21,84,182],"crucial":[22],"first":[23],"step":[24],"for":[25,116],"downstream":[26],"tasks":[27],"like":[28],"animation":[29],"and":[30,46,60,98,119,126,133,149,157,163,169,176,199,204,218],"texturing.":[31],"An":[32],"effective":[33],"fitting":[34,86,171],"method":[35],"should":[36],"be":[37,221],"both":[38,161],"locally":[39],"expressive-capturing":[40],"fine":[41],"details":[42],"hands":[45],"facial":[47],"features-and":[48],"globally":[49],"robust":[50,118,168],"handle":[52],"real-world":[53],"challenges,":[54],"including":[55,140],"clothing":[56,91],"dynamics,":[57],"pose":[58,158],"variations,":[59],"noisy":[61],"or":[62],"partial":[63,108],"inputs.":[64],"Existing":[65],"approaches":[66],"typically":[67],"excel":[68],"in":[69],"only":[70],"one":[71],"aspect,":[72],"lacking":[73],"an":[74],"all-in-one":[75],"solution.":[76],"We":[77],"upgrade":[78],"ETCH":[79,187],"ETCH-X,":[81],"leverages":[83],"tightness-aware":[85],"paradigm":[87],"filter":[89],"out":[90],"dynamics":[92],"(\"undress\"),":[93],"extends":[94],"expressiveness":[95],"with":[96,110],"SMPL-X,":[97],"replaces":[99],"explicit":[100],"sparse":[101],"markers":[102],"(which":[103],"are":[104],"highly":[105],"sensitive":[106],"data)":[109],"implicit":[111],"dense":[112],"correspondences":[113],"(\"dense":[114],"fit\")":[115],"more":[117],"fine-grained":[120,150],"fitting.":[122],"Our":[123,165],"disentangled":[124],"\"undress\"":[125],"\"dense":[127],"fit\"":[128],"modular":[129],"stages":[130],"enable":[131],"separate":[132],"scalable":[134],"training":[135],"on":[136,188],"composable":[137],"data":[138],"sources,":[139],"diverse":[141,173],"simulated":[142],"garments":[143],"(CLOTH3D),":[144],"large-scale":[145],"full-body":[146],"motions":[147],"(AMASS),":[148],"hand":[151],"gestures":[152],"(InterHand2.6M),":[153],"improving":[154],"outfit":[155],"generalization":[156],"robustness":[159],"bodies":[162],"hands.":[164],"approach":[166],"achieves":[167],"expressive":[170],"across":[172],"clothing,":[174],"poses,":[175],"levels":[177],"input":[179],"completeness,":[180],"delivering":[181],"substantial":[183],"performance":[184],"improvement":[185],"over":[186],"both:":[189],"1)":[190],"seen":[191],"data,":[192,207],"4D-Dress":[195],"(MPJPE-All,":[196,211],"33.0%":[197],")":[198],"CAPE":[200],"(V2V-Hands,":[201],"35.8%":[202],"),":[203],"2)":[205],"unseen":[206],"BEDLAM2.0":[210],"80.8%":[212],";":[213],"V2V-All,":[214],"80.5%":[215],").":[216],"Code":[217],"will":[220],"released":[222],"at":[223],"https://xiaobenli00.github.io/ETCH-X/.":[224]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-04-11T00:00:00"}