{"id":"https://openalex.org/W7153149424","doi":"https://doi.org/10.48550/arxiv.2604.08547","title":"GaussiAnimate: Reconstruct and Rig Animatable Categories with Level of Dynamics","display_name":"GaussiAnimate: Reconstruct and Rig Animatable Categories with Level of Dynamics","publication_year":2026,"publication_date":"2026-04-09","ids":{"openalex":"https://openalex.org/W7153149424","doi":"https://doi.org/10.48550/arxiv.2604.08547"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.08547","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08547","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.2604.08547","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5133336620","display_name":"Jiaxin Wang","orcid":"https://orcid.org/0009-0008-3302-1840"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Jiaxin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133324760","display_name":"Dongxin Lyu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lyu, Dongxin","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/A5133374823","display_name":"Zhiyang Dou","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dou, Zhiyang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133372039","display_name":"Cheng Lin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lin, Cheng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133375261","display_name":"Anpei Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Anpei","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":0.8032000064849854,"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":0.8032000064849854,"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":0.1257999986410141,"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/T10653","display_name":"Robot Manipulation and Learning","score":0.016300000250339508,"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/skinning","display_name":"Skinning","score":0.8996999859809875},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.6523000001907349},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.6383000016212463},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5113000273704529},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.45969998836517334},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4447000026702881},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.4311000108718872},{"id":"https://openalex.org/keywords/gaussian-curvature","display_name":"Gaussian curvature","score":0.42750000953674316}],"concepts":[{"id":"https://openalex.org/C2777685762","wikidata":"https://www.wikidata.org/wiki/Q780654","display_name":"Skinning","level":2,"score":0.8996999859809875},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.6523000001907349},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6399999856948853},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.6383000016212463},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5728999972343445},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5113000273704529},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.46970000863075256},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.45969998836517334},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4447000026702881},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4316999912261963},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.4311000108718872},{"id":"https://openalex.org/C16140857","wikidata":"https://www.wikidata.org/wiki/Q945953","display_name":"Gaussian curvature","level":3,"score":0.42750000953674316},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.4185999929904938},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.40790000557899475},{"id":"https://openalex.org/C18969341","wikidata":"https://www.wikidata.org/wiki/Q1169129","display_name":"Skeleton (computer programming)","level":2,"score":0.4065999984741211},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.40450000762939453},{"id":"https://openalex.org/C48007421","wikidata":"https://www.wikidata.org/wiki/Q676252","display_name":"Motion capture","level":3,"score":0.3409999907016754},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.3224000036716461},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.31060001254081726},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.29100000858306885},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.28290000557899475},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28130000829696655},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.2696000039577484},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.2587999999523163}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.08547","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08547","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.2604.08547","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.08547","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":{"Free-form":[0],"bones,":[1,43],"that":[2,112],"conform":[3],"closely":[4],"to":[5,100,170],"the":[6,73,102],"surface,":[7],"can":[8],"effectively":[9],"capture":[10],"non-rigid":[11,45,159],"deformations,":[12],"but":[13],"lack":[14],"a":[15,25,51,63],"kinematic":[16,68],"structure":[17],"necessary":[18],"for":[19,155,204],"intuitive":[20],"control.":[21],"Thus,":[22],"we":[23],"propose":[24],"Scaffold-Skin":[26],"Rigging":[27],"System,":[28],"termed":[29],"\"Skelebones\",":[30],"with":[31],"three":[32,96],"key":[33],"steps:":[34],"(1)":[35],"Bones:":[36],"compress":[37,101],"temporally-consistent":[38],"deformable":[39],"Gaussians":[40,57],"into":[41,109],"free-form":[42],"approximating":[44],"surface":[46,160],"deformations;":[47],"(2)":[48],"Skeleton:":[49],"extract":[50],"Mean":[52],"Curvature":[53],"Skeleton":[54],"from":[55],"canonical":[56],"and":[58,66,75,90,116,125,145,173,189,192],"refine":[59],"it":[60],"temporally,":[61],"ensuring":[62],"category-agnostic,":[64],"motion-adaptive,":[65],"topology-correct":[67],"structure;":[69],"(3)":[70],"Binding:":[71],"bind":[72],"skeleton":[74],"bones":[76],"via":[77],"non-parametric":[78],"partwise":[79],"motion":[80],"matching":[81],"(PartMM),":[82],"synthesizing":[83],"novel":[84],"bone":[85],"motions":[86],"by":[87,196],"matching,":[88],"retrieving,":[89],"blending":[91],"existing":[92],"ones.":[93],"Collectively,":[94],"these":[95],"steps":[97],"enable":[98],"us":[99],"Level":[103],"of":[104,106],"Dynamics":[105],"4D":[107],"shapes":[108],"compact":[110],"skelebones":[111],"are":[113],"both":[114,123,171],"controllable":[115],"expressive.":[117],"We":[118],"validate":[119],"our":[120],"approach":[121],"on":[122],"synthetic":[124],"real-world":[126],"datasets,":[127],"achieving":[128,182],"significant":[129],"improvements":[130],"in":[131],"reanimation":[132],"performance":[133],"across":[134],"unseen":[135],"poses-with":[136],"17.3%":[137],"PSNR":[138],"gains":[139],"over":[140,147,186],"Linear":[141],"Blend":[142],"Skinning":[143],"(LBS)":[144],"21.7%":[146],"Bag-of-Bones":[148],"(BoB)-while":[149],"maintaining":[150],"excellent":[151],"reconstruction":[152],"fidelity,":[153],"particularly":[154],"characters":[156],"exhibiting":[157],"complex":[158],"dynamics.":[161],"Our":[162],"Partwise":[163],"Motion":[164],"Matching":[165],"algorithm":[166],"demonstrates":[167],"strong":[168],"generalization":[169],"Gaussian":[172],"mesh":[174],"representations,":[175],"especially":[176],"under":[177],"low-data":[178],"regime":[179],"(~1000":[180],"frames),":[181],"48.4%":[183],"RMSE":[184],"improvement":[185],"robust":[187],"LBS":[188],"outperforming":[190],"GRU-":[191],"MLP-based":[193],"learning":[194],"methods":[195],"&gt;20%.":[197],"Code":[198],"will":[199],"be":[200],"made":[201],"publicly":[202],"available":[203],"research":[205],"purposes":[206],"at":[207],"cookmaker.cn/gaussianimate.":[208]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-04-11T00:00:00"}
