{"id":"https://openalex.org/W7204258063","doi":"https://doi.org/10.48550/arxiv.2608.24020","title":"IterCAD: Iterative Program Repair for CAD Code Generation from Orthographic Views","display_name":"IterCAD: Iterative Program Repair for CAD Code Generation from Orthographic Views","publication_year":2026,"publication_date":"2026-08-25","ids":{"openalex":"https://openalex.org/W7204258063","doi":"https://doi.org/10.48550/arxiv.2608.24020"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2608.24020","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.24020","pdf_url":"https://arxiv.org/pdf/2608.24020","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.24020","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5148352787","display_name":"Yuchuan Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu, Yuchuan","raw_affiliation_strings":["Fudan University Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University Shanghai , China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128635465","display_name":"Ke Niu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Niu, Ke","raw_affiliation_strings":["Fudan University Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University Shanghai , China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121639404","display_name":"Haiyang Yu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405256866","display_name":"ByteDance (China)","ror":"https://ror.org/04m8av638","country_code":"CN","type":"company","lineage":["https://openalex.org/I4405256866"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu, Haiyang","raw_affiliation_strings":["ByteDance Inc. Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ByteDance Inc. Shanghai , China","institution_ids":["https://openalex.org/I4405256866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125695100","display_name":"Zhuofan Chen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen, Zhuofan","raw_affiliation_strings":["Fudan University Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University Shanghai , China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125706363","display_name":"Xiangyang Xue","orcid":"https://orcid.org/0000-0002-4897-9209","observed_orcids":["https://orcid.org/0000-0002-4897-9209"]},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xue, Xiangyang","raw_affiliation_strings":["Fudan University Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University Shanghai , China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100365239","display_name":"Bin Li","orcid":"https://orcid.org/0000-0002-9633-0033","observed_orcids":["https://orcid.org/0000-0002-9633-0033","https://orcid.org/0000-0002-0624-9128","https://orcid.org/0000-0002-2213-2704"]},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]},{"id":"https://openalex.org/I4405256866","display_name":"ByteDance (China)","ror":"https://ror.org/04m8av638","country_code":"CN","type":"company","lineage":["https://openalex.org/I4405256866"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li, Bin","raw_affiliation_strings":["ByteDance Inc. Shanghai , China","Fudan University Shanghai , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ByteDance Inc. Shanghai , China","institution_ids":["https://openalex.org/I4405256866"]},{"raw_affiliation_string":"Fudan University Shanghai , China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"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":0.6685000061988831,"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":0.6685000061988831,"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.08269999921321869,"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/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.06030000001192093,"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/orthographic-drawings","display_name":"orthographic drawings","score":0.8299999833106995},{"id":"https://openalex.org/keywords/vision-language-models","display_name":"vision-language models","score":0.7419999837875366},{"id":"https://openalex.org/keywords/geometric-verification","display_name":"geometric verification","score":0.6340000033378601},{"id":"https://openalex.org/keywords/multi-turn-reinforcement-learning","display_name":"multi-turn reinforcement learning","score":0.7450000047683716},{"id":"https://openalex.org/keywords/program-refinement","display_name":"program refinement","score":0.36399999260902405}],"concepts":[{"id":"https://openalex.org/C160145156","wikidata":"https://www.wikidata.org/wiki/Q778586","display_name":"Executable","level":2,"score":0.7421000003814697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.722100019454956},{"id":"https://openalex.org/C194789388","wikidata":"https://www.wikidata.org/wiki/Q17855283","display_name":"CAD","level":2,"score":0.7139000296592712},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6545000076293945},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5259000062942505},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5085999965667725},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.4878000020980835},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.46459999680519104},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.4625999927520752},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.44269999861717224},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.3889000117778778},{"id":"https://openalex.org/C133162039","wikidata":"https://www.wikidata.org/wiki/Q1061077","display_name":"Code generation","level":3,"score":0.3889000117778778},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.37040001153945923},{"id":"https://openalex.org/C2779982483","wikidata":"https://www.wikidata.org/wiki/Q6094420","display_name":"Iterative refinement","level":2,"score":0.36739999055862427},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35350000858306885},{"id":"https://openalex.org/C119823426","wikidata":"https://www.wikidata.org/wiki/Q184793","display_name":"Computer Aided Design","level":2,"score":0.33629998564720154},{"id":"https://openalex.org/C143587482","wikidata":"https://www.wikidata.org/wiki/Q1543216","display_name":"Iterative and incremental development","level":2,"score":0.3147999942302704},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.2930999994277954},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.2669000029563904},{"id":"https://openalex.org/C24574437","wikidata":"https://www.wikidata.org/wiki/Q7135228","display_name":"Parametric model","level":3,"score":0.2639000117778778},{"id":"https://openalex.org/C175694140","wikidata":"https://www.wikidata.org/wiki/Q980329","display_name":"Orthographic projection","level":2,"score":0.25870001316070557},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.25270000100135803},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.251800000667572}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2608.24020","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.24020","pdf_url":"https://arxiv.org/pdf/2608.24020","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2608.24020","doi":"https://doi.org/10.48550/arxiv.2608.24020","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.24020","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,"listed_in":[],"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"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.24020","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.24020","pdf_url":"https://arxiv.org/pdf/2608.24020","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,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320336023","display_name":"Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204258063.pdf","grobid_xml":"https://content.openalex.org/works/W7204258063.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7168215807","https://openalex.org/W7164575830","https://openalex.org/W7154956292","https://openalex.org/W7212052628","https://openalex.org/W7171987385","https://openalex.org/W7171285121","https://openalex.org/W7113915832","https://openalex.org/W7147259490","https://openalex.org/W7160909278","https://openalex.org/W6966813755"],"abstract_inverted_index":{"Generating":[0],"executable":[1],"parametric":[2,166],"CAD":[3,38,77,88,129],"code":[4,48,78,105,159,176],"from":[5,35],"dimension-annotated":[6],"orthographic":[7],"drawings":[8],"is":[9],"a":[10,67,80,120,136],"challenging":[11],"task":[12],"requiring":[13],"geometric":[14,156,179],"understanding,":[15,155],"procedural":[16],"reasoning,":[17],"and":[18,40,98,131,134,145,158,165,178],"precise":[19],"numerical":[20],"prediction.":[21],"Existing":[22],"vision-language":[23],"approaches":[24],"typically":[25],"formulate":[26],"this":[27,54],"problem":[28],"as":[29,66],"one-shot":[30,183],"generation,":[31,142],"preventing":[32],"the":[33,75,86,95,104,108,151],"model":[34],"inspecting":[36],"intermediate":[37,128],"results":[39],"correcting":[41],"early":[42],"mistakes,":[43],"often":[44],"leading":[45],"to":[46,102],"non-executable":[47],"or":[49,106],"geometrically":[50],"inconsistent":[51],"outputs.":[52],"In":[53],"paper,":[55],"we":[56,116],"propose":[57],"IterCAD,":[58],"an":[59],"iterative":[60,113],"framework":[61],"that":[62,172],"reformulates":[63],"orthographic-view-to-CAD":[64],"generation":[65],"progressive":[68],"program":[69],"repair":[70,114],"process.":[71,110],"Instead":[72],"of":[73],"predicting":[74],"final":[76],"in":[79],"single":[81],"pass,":[82],"IterCAD":[83,161,173],"repeatedly":[84],"analyzes":[85],"current":[87],"result,":[89],"reasons":[90],"about":[91],"its":[92],"discrepancy":[93],"with":[94],"target":[96],"views,":[97],"explicitly":[99],"decides":[100],"whether":[101],"REVISE":[103],"STOP":[107],"refinement":[109],"To":[111],"make":[112],"learnable,":[115],"further":[117],"construct":[118],"IterCAD-RS,":[119],"structured":[121],"revise-or-stop":[122],"supervision":[123],"set":[124],"containing":[125],"both":[126],"repairable":[127],"states":[130],"already-correct":[132],"states,":[133],"develop":[135],"three-stage":[137],"training":[138],"strategy":[139],"for":[140],"initial":[141],"revision":[143],"learning,":[144],"multi-turn":[146],"RL":[147],"optimization.":[148],"By":[149],"closing":[150],"loop":[152],"between":[153],"visual":[154],"verification,":[157],"refinement,":[160],"progressively":[162],"corrects":[163],"structural":[164],"errors.":[167],"Experiments":[168],"on":[169],"CADExpert":[170],"show":[171],"consistently":[174],"improves":[175],"executability":[177],"fidelity":[180],"over":[181],"strong":[182],"baselines.":[184]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-08-27T00:00:00"}