{"id":"https://openalex.org/W4417000843","doi":"https://doi.org/10.1145/3763323","title":"BrepGPT: Autoregressive B-rep Generation with Voronoi Half-Patch","display_name":"BrepGPT: Autoregressive B-rep Generation with Voronoi Half-Patch","publication_year":2025,"publication_date":"2025-12-01","ids":{"openalex":"https://openalex.org/W4417000843","doi":"https://doi.org/10.1145/3763323"},"language":"en","primary_location":{"id":"doi:10.1145/3763323","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3763323","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,"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"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1145/3763323","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100457990","display_name":"Pu Li","orcid":"https://orcid.org/0009-0007-1060-689X"},"institutions":[{"id":"https://openalex.org/I4210100255","display_name":"Beijing Academy of Artificial Intelligence","ror":"https://ror.org/016a74861","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210100255"]},{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Pu Li","raw_affiliation_strings":["MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210094879","https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210100255","https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066389910","display_name":"Wenhao Zhang","orcid":"https://orcid.org/0009-0000-1654-3462"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenhao Zhang","raw_affiliation_strings":["MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210094879","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045242540","display_name":"Weize Quan","orcid":"https://orcid.org/0000-0003-0892-581X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weize Quan","raw_affiliation_strings":["MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210094879","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100363706","display_name":"Biao Zhang","orcid":"https://orcid.org/0000-0001-5685-6092"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Biao Zhang","raw_affiliation_strings":["King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076768552","display_name":"Peter Wonka","orcid":"https://orcid.org/0000-0003-0627-9746"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Peter Wonka","raw_affiliation_strings":["King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003969300","display_name":"Dong\u2010Ming Yan","orcid":"https://orcid.org/0000-0003-2209-2404"},"institutions":[{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]},{"id":"https://openalex.org/I4210100255","display_name":"Beijing Academy of Artificial Intelligence","ror":"https://ror.org/016a74861","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210100255"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongming Yan","raw_affiliation_strings":["MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"MAIS, Institute of Automation, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210094879","https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210100255","https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100457990"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210094879","https://openalex.org/I4210100255","https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":1.5259,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.85929074,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"44","issue":"6","first_page":"1","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.8909000158309937,"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":0.8909000158309937,"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/T11159","display_name":"Manufacturing Process and Optimization","score":0.023399999365210533,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.015799999237060547,"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"}}],"keywords":[],"concepts":[],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3763323","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3763323","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,"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"}],"best_oa_location":{"id":"doi:10.1145/3763323","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3763323","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,"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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2194775991","https://openalex.org/W2886686348","https://openalex.org/W3173520058","https://openalex.org/W3215615641","https://openalex.org/W4200412188","https://openalex.org/W4248080913","https://openalex.org/W4294783216","https://openalex.org/W4311034203","https://openalex.org/W4312906868","https://openalex.org/W4313034350","https://openalex.org/W4313598843","https://openalex.org/W4385535012","https://openalex.org/W4386091601","https://openalex.org/W4393151153","https://openalex.org/W4396520487","https://openalex.org/W4402727059","https://openalex.org/W4402727686","https://openalex.org/W4409718612","https://openalex.org/W4412567378","https://openalex.org/W4413145528"],"related_works":[],"abstract_inverted_index":{"Boundary":[0],"representation":[1,11,97],"(B-rep)":[2],"is":[3,135],"the":[4,60],"de":[5],"facto":[6],"standard":[7],"for":[8,52,91],"CAD":[9],"model":[10],"in":[12,24,39,59,105,163,172],"modern":[13],"industrial":[14],"design.":[15],"The":[16,167],"intricate":[17],"coupling":[18],"between":[19],"geometric":[20,100],"and":[21,42,78,102,120,150,185,192],"topological":[22,103],"elements":[23],"B-rep":[25,53,154,165,190],"structures":[26],"has":[27],"forced":[28],"existing":[29],"generative":[30],"methods":[31],"to":[32,75,115,138,147],"rely":[33],"on":[34],"cascaded":[35],"multi-stage":[36],"networks,":[37],"resulting":[38],"error":[40],"accumulation":[41],"computational":[43],"inefficiency.":[44],"We":[45,110],"present":[46],"BrepGPT,":[47],"a":[48,106,127],"single-stage":[49],"autoregressive":[50],"framework":[51,168],"generation.":[54,166],"Our":[55],"key":[56],"innovation":[57],"lies":[58],"Voronoi":[61,121],"Half-Patch":[62],"(VHP)":[63],"representation,":[64],"which":[65,143],"decomposes":[66],"B-reps":[67],"into":[68,123,152],"unified":[69],"local":[70],"units":[71],"by":[72],"assigning":[73],"geometry":[74],"nearest":[76],"half-edges":[77],"sampling":[79],"their":[80],"next":[81],"pointers.":[82],"Unlike":[83],"hierarchical":[84],"representations":[85],"that":[86,158],"require":[87],"multiple":[88],"distinct":[89],"encodings":[90],"different":[92],"structural":[93],"levels,":[94],"our":[95],"VHP":[96],"facilitates":[98],"unifying":[99],"attributes":[101],"relations":[104],"single,":[107],"coherent":[108],"format.":[109],"further":[111],"leverage":[112],"dual":[113],"VQ-VAEs":[114],"encode":[116],"both":[117],"vertex":[118],"topology":[119],"Half-Patches":[122],"vertex-based":[124,148],"tokens,":[125,142],"achieving":[126],"more":[128],"compact":[129],"sequential":[130],"encoding.":[131],"A":[132],"decoder-only":[133],"Transformer":[134],"then":[136],"trained":[137],"autoregressively":[139],"predict":[140],"these":[141],"are":[144],"subsequently":[145],"mapped":[146],"features":[149],"decoded":[151],"complete":[153],"models.":[155],"Experiments":[156],"demonstrate":[157],"BrepGPT":[159],"achieves":[160],"state-of-the-art":[161],"performance":[162],"unconditional":[164],"also":[169],"exhibits":[170],"versatility":[171],"various":[173],"applications,":[174],"including":[175],"conditional":[176],"generation":[177],"from":[178],"category":[179],"labels,":[180],"point":[181],"clouds,":[182],"text":[183],"descriptions,":[184],"images,":[186],"as":[187,189],"well":[188],"autocompletion":[191],"interpolation.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-03T08:47:05.690250","created_date":"2025-12-04T00:00:00"}