{"id":"https://openalex.org/W4408355277","doi":"https://doi.org/10.1109/icassp49660.2025.10890248","title":"ChatCAD: An MLLM-Guided Framework for Zero-shot CAD Drawing Restoration","display_name":"ChatCAD: An MLLM-Guided Framework for Zero-shot CAD Drawing Restoration","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408355277","doi":"https://doi.org/10.1109/icassp49660.2025.10890248"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10890248","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890248","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101451926","display_name":"Jing Tang","orcid":"https://orcid.org/0000-0002-9430-9660"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Tang","raw_affiliation_strings":["Huazhong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090686795","display_name":"Hongru Xiao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hongru Xiao","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022516253","display_name":"Xiang Li","orcid":"https://orcid.org/0000-0002-3919-2658"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiang Li","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100718995","display_name":"W\u00e9i Wang","orcid":"https://orcid.org/0000-0001-7066-6076"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wei Wang","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou)","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026576589","display_name":"Zeyu Gong","orcid":"https://orcid.org/0000-0002-8276-675X"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zeyu Gong","raw_affiliation_strings":["Huazhong University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.4498,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.92829457,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.8363000154495239,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.8363000154495239,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.7918999791145325,"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/cad","display_name":"CAD","score":0.7521921396255493},{"id":"https://openalex.org/keywords/zero","display_name":"Zero (linguistics)","score":0.5837339162826538},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5173029899597168},{"id":"https://openalex.org/keywords/shot","display_name":"Shot (pellet)","score":0.45519623160362244},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.41812068223953247},{"id":"https://openalex.org/keywords/engineering-drawing","display_name":"Engineering drawing","score":0.32400453090667725},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2011938989162445},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.16001012921333313}],"concepts":[{"id":"https://openalex.org/C194789388","wikidata":"https://www.wikidata.org/wiki/Q17855283","display_name":"CAD","level":2,"score":0.7521921396255493},{"id":"https://openalex.org/C2780813799","wikidata":"https://www.wikidata.org/wiki/Q3274237","display_name":"Zero (linguistics)","level":2,"score":0.5837339162826538},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5173029899597168},{"id":"https://openalex.org/C2778344882","wikidata":"https://www.wikidata.org/wiki/Q278938","display_name":"Shot (pellet)","level":2,"score":0.45519623160362244},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.41812068223953247},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.32400453090667725},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2011938989162445},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.16001012921333313},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp49660.2025.10890248","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890248","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-157099","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-157099","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320335480","display_name":"Guangzhou Municipal Science and Technology Project","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2116341502","https://openalex.org/W2752796333","https://openalex.org/W2952773607","https://openalex.org/W4281624973","https://openalex.org/W4382658130","https://openalex.org/W4386075640","https://openalex.org/W4396595963","https://openalex.org/W4402684050","https://openalex.org/W4402727764","https://openalex.org/W6838461927","https://openalex.org/W6849177959","https://openalex.org/W6851592950","https://openalex.org/W6853116092","https://openalex.org/W6855350031","https://openalex.org/W6855797017"],"related_works":["https://openalex.org/W2074502265","https://openalex.org/W4214877189","https://openalex.org/W2773965352","https://openalex.org/W2381179799","https://openalex.org/W2980279061","https://openalex.org/W2334685461","https://openalex.org/W2357465569","https://openalex.org/W2347375777","https://openalex.org/W2382901435","https://openalex.org/W2966888100"],"abstract_inverted_index":{"CAD":[0,21,31,62,96,107],"drawing":[1,63,97],"restoration":[2,91],"is":[3,43,87],"one":[4],"of":[5,20,37,84,109],"the":[6,18,35,95,101],"most":[7],"urgent":[8],"needs":[9],"in":[10,29,92,100],"industrial":[11],"manufacturing.":[12],"The":[13],"existing":[14],"research":[15],"focuses":[16],"on":[17,138],"digitization":[19],"drawings,":[22],"However,":[23],"there":[24],"are":[25],"actually":[26],"many":[27],"problems":[28],"digitized":[30],"drawings":[32,108],"due":[33],"to":[34,45,58,72,89,112,122],"upgrading":[36],"engineering":[38,74],"drafting":[39],"software,":[40],"and":[41,65,120],"it":[42],"difficult":[44],"repair":[46],"reliably.":[47],"In":[48,79],"this":[49],"paper,":[50],"we":[51,66],"use":[52,67],"multi-modal":[53],"large":[54],"language":[55],"models":[56],"(MLLMs)":[57],"carry":[59],"out":[60],"digital":[61],"restoration,":[64],"Retrieval-Augmented":[68],"Generation":[69],"(RAG)":[70],"technology":[71],"inject":[73],"domain":[75],"knowledge":[76],"into":[77],"MLLMs.":[78],"addition,":[80],"a":[81,130,139],"complete":[82],"set":[83],"multiagent":[85],"systems":[86],"constructed":[88],"realize":[90],"accordance":[93],"with":[94],"review":[98],"process":[99],"mechanical":[102],"field.":[103],"We":[104],"collected":[105],"1,639":[106],"bearing":[110],"seats":[111],"evaluate":[113],"our":[114],"multi-agent":[115],"system,":[116],"verifying":[117],"its":[118],"reliability":[119],"robustness":[121],"various":[123],"problematic":[124],"drawings.":[125],"Notably,":[126],"ChatCAD":[127],"also":[128],"has":[129],"much":[131],"simpler":[132],"implementation":[133],"than":[134],"alternative":[135],"methods":[136],"trained":[137],"huge":[140],"dataset.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
