{"id":"https://openalex.org/W4415883260","doi":"https://doi.org/10.1109/tmi.2025.3628764","title":"Structure-Preserving Two-Stage Diffusion Model for CBCT Metal Artifact Reduction","display_name":"Structure-Preserving Two-Stage Diffusion Model for CBCT Metal Artifact Reduction","publication_year":2025,"publication_date":"2025-11-04","ids":{"openalex":"https://openalex.org/W4415883260","doi":"https://doi.org/10.1109/tmi.2025.3628764","pmid":"https://pubmed.ncbi.nlm.nih.gov/41187053"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2025.3628764","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2025.3628764","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Xingyue Wang","orcid":"https://orcid.org/0009-0006-2903-4927"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xingyue Wang","raw_affiliation_strings":["School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0006-2903-4927","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066423038","display_name":"Z. Q. Liu","orcid":"https://orcid.org/0009-0004-2288-8319"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhentao Liu","raw_affiliation_strings":["School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0004-2288-8319","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114378722","display_name":"Haoshen Wang","orcid":"https://orcid.org/0009-0008-6987-5872"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haoshen Wang","raw_affiliation_strings":["School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0008-6987-5872","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108310516","display_name":"Minhui Tan","orcid":"https://orcid.org/0009-0000-4134-4609"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minhui Tan","raw_affiliation_strings":["School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0000-4134-4609","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100602191","display_name":"Zhiming Cui","orcid":"https://orcid.org/0000-0002-3798-4504"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiming Cui","raw_affiliation_strings":["School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-3798-4504","affiliations":[{"raw_affiliation_string":"School of Biomedical Engineering and the State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]},{"raw_affiliation_string":"School of Biomedical Engineering, State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I30809798"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29904311,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"45","issue":"4","first_page":"1488","last_page":"1500"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.515999972820282,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.515999972820282,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11363","display_name":"Dental Radiography and Imaging","score":0.4426000118255615,"subfield":{"id":"https://openalex.org/subfields/3504","display_name":"Oral Surgery"},"field":{"id":"https://openalex.org/fields/35","display_name":"Dentistry"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.011800000444054604,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/artifact","display_name":"Artifact (error)","score":0.7107999920845032},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5067999958992004},{"id":"https://openalex.org/keywords/prior-probability","display_name":"Prior probability","score":0.4975000023841858},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.4636000096797943},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4465000033378601},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4332999885082245},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3824999928474426},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.3528999984264374}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.73580002784729},{"id":"https://openalex.org/C2779010991","wikidata":"https://www.wikidata.org/wiki/Q2720909","display_name":"Artifact (error)","level":2,"score":0.7107999920845032},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6244000196456909},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6108999848365784},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5067999958992004},{"id":"https://openalex.org/C177769412","wikidata":"https://www.wikidata.org/wiki/Q278090","display_name":"Prior probability","level":3,"score":0.4975000023841858},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.4636000096797943},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4465000033378601},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4332999885082245},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3824999928474426},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.3528999984264374},{"id":"https://openalex.org/C69744172","wikidata":"https://www.wikidata.org/wiki/Q860822","display_name":"Image fusion","level":3,"score":0.33320000767707825},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.30730000138282776},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.30300000309944153},{"id":"https://openalex.org/C100776233","wikidata":"https://www.wikidata.org/wiki/Q2532492","display_name":"Bridge (graph theory)","level":2,"score":0.2937999963760376},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.28610000014305115},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.2791999876499176},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.2782999873161316},{"id":"https://openalex.org/C33954974","wikidata":"https://www.wikidata.org/wiki/Q486494","display_name":"Sensor fusion","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.26489999890327454},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.2599000036716461},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.25609999895095825},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.25099998712539673}],"mesh":[{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000077321","descriptor_name":"Deep Learning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D008670","descriptor_name":"Metals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008670","descriptor_name":"Metals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008670","descriptor_name":"Metals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014070","descriptor_name":"Tooth","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D014070","descriptor_name":"Tooth","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D014070","descriptor_name":"Tooth","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D054893","descriptor_name":"Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D054893","descriptor_name":"Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D054893","descriptor_name":"Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/tmi.2025.3628764","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2025.3628764","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},{"id":"pmid:41187053","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41187053","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on medical imaging","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1314918714","display_name":null,"funder_award_id":"6230012077","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G436295957","display_name":null,"funder_award_id":"L242133","funder_id":"https://openalex.org/F4320334977","funder_display_name":"Beijing Municipal Natural Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320334977","display_name":"Beijing Municipal Natural Science Foundation","ror":null},{"id":"https://openalex.org/F4320335920","display_name":"Natural Science Foundation of Nantong University","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Cone-beam":[0],"computed":[1],"tomography":[2],"(CBCT)":[3],"plays":[4],"a":[5,76,81,93,155],"crucial":[6],"role":[7],"in":[8,68,160],"dental":[9,189],"clinical":[10],"applications,":[11],"but":[12],"metal":[13,29,50],"implants":[14],"often":[15,43],"cause":[16],"severe":[17],"artifacts,":[18],"challenging":[19],"accurate":[20],"diagnosis.":[21],"Most":[22],"deep":[23],"learning-based":[24],"methods":[25],"attempt":[26],"to":[27,45,54,65,99,129,132,147,163,192],"achieve":[28],"artifact":[30,183],"reduction":[31,184],"(MAR)":[32],"by":[33,113],"training":[34,110],"neural":[35],"networks":[36],"on":[37,84,171],"paired":[38],"simulated":[39,62,173],"data.":[40,134],"However,":[41],"they":[42],"struggle":[44],"preserve":[46],"anatomical":[47],"structures":[48,190],"around":[49],"implants,":[51],"and":[52,61,87,126,174,185],"fail":[53],"bridge":[55],"the":[56,114,119,149],"domain":[57,88],"gap":[58],"between":[59],"real-world":[60,133,175],"data,":[63],"leading":[64],"suboptimal":[66],"performance":[67],"practice.":[69],"To":[70],"address":[71],"these":[72,138],"issues,":[73],"we":[74,153],"propose":[75],"two-stage":[77],"diffusion":[78,95],"framework":[79],"with":[80],"strong":[82],"emphasis":[83],"structure":[85,166],"preservation":[86,167,187],"generalization.":[89],"In":[90,135],"Stage":[91,136],"I,":[92],"structure-aware":[94],"model":[96],"is":[97,111],"trained":[98],"extract":[100],"artifact-free":[101],"clean":[102,140],"edge":[103,141],"maps":[104,142],"from":[105,118],"artifact-affected":[106],"CBCT":[107,127],"images.":[108],"This":[109],"supervised":[112],"tooth":[115],"contours":[116],"derived":[117],"fusion":[120],"of":[121,188],"intraoral":[122],"scan":[123],"(IOS)":[124],"data":[125,176],"images":[128],"improve":[130],"generalization":[131],"II,":[137],"extracted":[139],"serve":[143],"as":[144],"structural":[145],"priors":[146],"guide":[148],"MAR":[150],"process.":[151],"Additionally,":[152],"introduce":[154],"segmentation-guided":[156],"sampling":[157],"(SGS)":[158],"strategy":[159],"this":[161],"stage":[162],"further":[164],"enhance":[165],"during":[168],"inference.":[169],"Experiments":[170],"both":[172],"demonstrate":[177],"that":[178],"our":[179],"method":[180],"achieves":[181],"superior":[182],"better":[186],"compared":[191],"competing":[193],"approaches.":[194]},"counts_by_year":[],"updated_date":"2026-04-04T06:10:10.580331","created_date":"2025-11-04T00:00:00"}
