{"id":"https://openalex.org/W7160946318","doi":"https://doi.org/10.48550/arxiv.2605.08744","title":"MeshFIM: Local Low-Poly Mesh Editing via Fill-in-the-Middle Autoregressive Generation","display_name":"MeshFIM: Local Low-Poly Mesh Editing via Fill-in-the-Middle Autoregressive Generation","publication_year":2026,"publication_date":"2026-05-09","ids":{"openalex":"https://openalex.org/W7160946318","doi":"https://doi.org/10.48550/arxiv.2605.08744"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.08744","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.08744","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":"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"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.08744","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078647573","display_name":"Dingdong Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Dingdong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135953724","display_name":"Jian Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Jian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075495735","display_name":"Biwen Lei","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lei, Biwen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007678458","display_name":"Haohan Weng","orcid":"https://orcid.org/0000-0003-4954-4546"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Weng, Haohan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135924853","display_name":"Zhuo Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Zhuo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135969692","display_name":"Song Guo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo, Song","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135920349","display_name":"Hao Richard Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Hao Richard","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135945035","display_name":"Ali Mahdavi Amiri","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Amiri, Ali Mahdavi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5135926315","display_name":"Chunchao Guo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo, Chunchao","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":0.9610000252723694,"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":0.9610000252723694,"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.00989999994635582,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.00430000014603138,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/polygon-mesh","display_name":"Polygon mesh","score":0.663100004196167},{"id":"https://openalex.org/keywords/mesh-generation","display_name":"Mesh generation","score":0.6413999795913696},{"id":"https://openalex.org/keywords/triangle-mesh","display_name":"Triangle mesh","score":0.6165000200271606},{"id":"https://openalex.org/keywords/t-vertices","display_name":"T-vertices","score":0.5828999876976013},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5442000031471252},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5375999808311462},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.512499988079071},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5024999976158142}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7170000076293945},{"id":"https://openalex.org/C31487907","wikidata":"https://www.wikidata.org/wiki/Q1154597","display_name":"Polygon mesh","level":2,"score":0.663100004196167},{"id":"https://openalex.org/C181145010","wikidata":"https://www.wikidata.org/wiki/Q4418033","display_name":"Mesh generation","level":3,"score":0.6413999795913696},{"id":"https://openalex.org/C194401833","wikidata":"https://www.wikidata.org/wiki/Q3456889","display_name":"Triangle mesh","level":3,"score":0.6165000200271606},{"id":"https://openalex.org/C160403270","wikidata":"https://www.wikidata.org/wiki/Q7667943","display_name":"T-vertices","level":4,"score":0.5828999876976013},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5738000273704529},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5442000031471252},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5375999808311462},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.512499988079071},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5024999976158142},{"id":"https://openalex.org/C159877910","wikidata":"https://www.wikidata.org/wiki/Q2202883","display_name":"Autoregressive model","level":2,"score":0.4092000126838684},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3671000003814697},{"id":"https://openalex.org/C100695618","wikidata":"https://www.wikidata.org/wiki/Q6488267","display_name":"Laplacian smoothing","level":4,"score":0.3560999929904938},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3467000126838684},{"id":"https://openalex.org/C136643341","wikidata":"https://www.wikidata.org/wiki/Q1361526","display_name":"Reachability","level":2,"score":0.3434999883174896},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3375000059604645},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.32850000262260437},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.3215000033378601},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.2727000117301941},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.27140000462532043},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.25859999656677246},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.25189998745918274},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2502000033855438}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.08744","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.08744","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.08744","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.08744","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":"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"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Autoregressive":[0],"(AR)":[1],"models":[2],"can":[3],"generate":[4],"high-quality":[5],"low-poly":[6,53,106,159],"meshes":[7],"from":[8],"point":[9],"clouds,":[10],"but":[11,165],"they":[12],"still":[13],"operate":[14],"in":[15,75,177],"an":[16],"all-or-nothing":[17],"manner:":[18],"when":[19],"a":[20,42,48,52,105,173],"local":[21],"region":[22,50,118],"is":[23],"unsatisfactory,":[24],"the":[25,57,69,76,82,116,121,124,128,138],"entire":[26],"mesh":[27,36,54,160,178,180,184],"must":[28],"be":[29],"regenerated,":[30],"wasting":[31],"computation":[32],"and":[33,78,104,127,154,182],"destroying":[34],"satisfactory":[35],"structure":[37],"elsewhere.":[38],"We":[39],"introduce":[40],"MeshFIM,":[41,146],"Fill-in-the-Middle":[43],"(FIM)":[44],"framework":[45],"that":[46,170],"regenerates":[47],"target":[49],"of":[51,140,175],"conditioned":[55],"on":[56,115,145,158],"surrounding":[58],"context.":[59],"MeshFIM":[60,171],"addresses":[61],"three":[62],"mesh-specific":[63],"challenges:":[64],"enforcing":[65],"exact":[66],"attachment":[67],"along":[68],"exposed":[70],"boundary,":[71],"preserving":[72],"topological":[73],"order":[74],"context,":[77],"suppressing":[79],"overflow":[80],"beyond":[81],"intended":[83],"region.":[84],"It":[85],"does":[86],"so":[87],"with":[88],"five":[89],"complementary":[90],"design":[91],"choices:":[92],"boundary":[93],"vertex":[94],"markers,":[95],"context":[96,100,102],"positional":[97],"embeddings,":[98],"expanded":[99],"width,":[101],"augmentation,":[103],"geometry":[107],"encoder":[108],"whose":[109],"gated":[110],"subtraction":[111],"mechanism":[112],"focuses":[113],"generation":[114,185],"missing":[117],"by":[119],"leveraging":[120],"difference":[122],"between":[123],"reference":[125],"surface":[126],"existing":[129],"mesh.":[130],"Detailed":[131],"ablation":[132],"studies":[133],"are":[134],"presented":[135],"to":[136],"show":[137,169],"effectiveness":[139],"every":[141],"introduced":[142],"component.":[143],"Based":[144],"we":[147],"demonstrate":[148],"two":[149],"applications:":[150],"interactive":[151],"brush-based":[152],"editing":[153],"automatic":[155],"defect":[156],"repair":[157,181],"(see":[161],"Figure":[162],"1).":[163],"Last":[164],"not":[166],"least,":[167],"experiments":[168],"outperforms":[172],"range":[174],"baselines":[176],"refinement,":[179],"whole":[183],"plus":[186],"stitch-back":[187],"scheme.":[188]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-05-13T00:00:00"}
