{"id":"https://openalex.org/W4206244206","doi":"https://doi.org/10.1186/s42492-021-00094-w","title":"A projection-domain iterative algorithm for metal artifact reduction by minimizing the total-variation norm and the negative-pixel energy","display_name":"A projection-domain iterative algorithm for metal artifact reduction by minimizing the total-variation norm and the negative-pixel energy","publication_year":2022,"publication_date":"2022-01-02","ids":{"openalex":"https://openalex.org/W4206244206","doi":"https://doi.org/10.1186/s42492-021-00094-w","pmid":"https://pubmed.ncbi.nlm.nih.gov/34974629"},"language":"en","primary_location":{"id":"doi:10.1186/s42492-021-00094-w","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42492-021-00094-w","pdf_url":"https://vciba.springeropen.com/track/pdf/10.1186/s42492-021-00094-w","source":{"id":"https://openalex.org/S3035464634","display_name":"Visual Computing for Industry Biomedicine and Art","issn_l":"2096-496X","issn":["2096-496X","2524-4442"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Visual Computing for Industry, Biomedicine, and Art","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://vciba.springeropen.com/track/pdf/10.1186/s42492-021-00094-w","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Gengsheng L. Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I197572798","display_name":"Utah Valley University","ror":"https://ror.org/02rxpxc98","country_code":"US","type":"education","lineage":["https://openalex.org/I197572798"]},{"id":"https://openalex.org/I223532165","display_name":"University of Utah","ror":"https://ror.org/03r0ha626","country_code":"US","type":"education","lineage":["https://openalex.org/I223532165"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Gengsheng L. Zeng","raw_affiliation_strings":["Department of Computer Science, Utah Valley University, Orem, UT, 84058, USA. larry.zeng@uvu.edu","Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, 84108, USA. larry.zeng@uvu.edu"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Utah Valley University, Orem, UT, 84058, USA. larry.zeng@uvu.edu","institution_ids":["https://openalex.org/I197572798"]},{"raw_affiliation_string":"Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, 84108, USA. larry.zeng@uvu.edu","institution_ids":["https://openalex.org/I223532165"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I197572798","https://openalex.org/I223532165"],"apc_list":null,"apc_paid":null,"fwci":0.8579,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.66296597,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"5","issue":"1","first_page":"1","last_page":"1"},"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":0.9958000183105469,"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":0.9958000183105469,"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/T11183","display_name":"Advanced X-ray Imaging Techniques","score":0.00139999995008111,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.000699999975040555,"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/inpainting","display_name":"Inpainting","score":0.7423999905586243},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5680999755859375},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5368000268936157},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5335000157356262},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.489300012588501},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.48510000109672546},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.45899999141693115},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.44859999418258667}],"concepts":[{"id":"https://openalex.org/C11727466","wikidata":"https://www.wikidata.org/wiki/Q1628157","display_name":"Inpainting","level":3,"score":0.7423999905586243},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6019999980926514},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5680999755859375},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5368000268936157},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5335000157356262},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.489300012588501},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.48510000109672546},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.45899999141693115},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.44859999418258667},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4440000057220459},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.41990000009536743},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40959998965263367},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4074000120162964},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4027000069618225},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37310001254081726},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.3644999861717224},{"id":"https://openalex.org/C2779010991","wikidata":"https://www.wikidata.org/wiki/Q2720909","display_name":"Artifact (error)","level":2,"score":0.3617999851703644},{"id":"https://openalex.org/C77660652","wikidata":"https://www.wikidata.org/wiki/Q150971","display_name":"Computer graphics","level":2,"score":0.34880000352859497},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.3257000148296356},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.31119999289512634},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.3086000084877014},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.2766000032424927},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2653000056743622},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.26429998874664307},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.25920000672340393}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1186/s42492-021-00094-w","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42492-021-00094-w","pdf_url":"https://vciba.springeropen.com/track/pdf/10.1186/s42492-021-00094-w","source":{"id":"https://openalex.org/S3035464634","display_name":"Visual Computing for Industry Biomedicine and Art","issn_l":"2096-496X","issn":["2096-496X","2524-4442"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Visual Computing for Industry, Biomedicine, and Art","raw_type":"journal-article"},{"id":"pmid:34974629","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34974629","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":"Visual computing for industry, biomedicine, and art","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:8720709","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8720709","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Vis Comput Ind Biomed Art","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:d7c23c370ce94f568bac49cbd3b056bc","is_oa":true,"landing_page_url":"https://doaj.org/article/d7c23c370ce94f568bac49cbd3b056bc","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Visual Computing for Industry, Biomedicine, and Art, Vol 5, Iss 1, Pp 1-11 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/s42492-021-00094-w","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42492-021-00094-w","pdf_url":"https://vciba.springeropen.com/track/pdf/10.1186/s42492-021-00094-w","source":{"id":"https://openalex.org/S3035464634","display_name":"Visual Computing for Industry Biomedicine and Art","issn_l":"2096-496X","issn":["2096-496X","2524-4442"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Visual Computing for Industry, Biomedicine, and Art","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5455799722","display_name":null,"funder_award_id":"R15 EB024283","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G5476172324","display_name":"Reducing Metal Artifacts in Clinical X-Ray CT via Image Reconstruction Techniques","funder_award_id":"2r15eb024283-03","funder_id":"https://openalex.org/F4320332161","funder_display_name":"National Institutes of Health"},{"id":"https://openalex.org/G6569289219","display_name":null,"funder_award_id":"NIH R15EB024283","funder_id":"https://openalex.org/F4320337432","funder_display_name":"Center for Scientific Review"}],"funders":[{"id":"https://openalex.org/F4320306110","display_name":"U.S. Department of Homeland Security","ror":"https://ror.org/00jyr0d86"},{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337363","display_name":"National Institute of Biomedical Imaging and Bioengineering","ror":"https://ror.org/00372qc85"},{"id":"https://openalex.org/F4320337432","display_name":"Center for Scientific Review","ror":"https://ror.org/04r5s4b52"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4206244206.pdf","grobid_xml":"https://content.openalex.org/works/W4206244206.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1480692804","https://openalex.org/W1595831882","https://openalex.org/W1974872296","https://openalex.org/W1988998660","https://openalex.org/W1991666612","https://openalex.org/W1996326730","https://openalex.org/W2001749871","https://openalex.org/W2011690713","https://openalex.org/W2025995141","https://openalex.org/W2043115439","https://openalex.org/W2084017404","https://openalex.org/W2095757123","https://openalex.org/W2119468597","https://openalex.org/W2131362583","https://openalex.org/W2143204661","https://openalex.org/W2167036988","https://openalex.org/W2942189378","https://openalex.org/W3044282612","https://openalex.org/W3088171450","https://openalex.org/W3165177292","https://openalex.org/W4252814261"],"related_works":[],"abstract_inverted_index":{"Metal":[0],"objects":[1],"in":[2,17,53,64,93],"X-ray":[3],"computed":[4],"tomography":[5],"can":[6],"cause":[7],"severe":[8],"artifacts.":[9,36],"The":[10,57,68,112],"state-of-the-art":[11],"metal":[12,35],"artifact":[13],"reduction":[14],"methods":[15],"are":[16,23,42,100],"the":[18,34,40,43,47,54,65,72,79,83,87,90,94,97,102,108,115],"sinogram":[19],"inpainting":[20],"category":[21],"and":[22,86],"iterative":[24],"methods.":[25],"This":[26],"paper":[27],"proposes":[28],"a":[29],"projection-domain":[30],"algorithm":[31,74,117],"to":[32],"reduce":[33],"In":[37],"this":[38],"algorithm,":[39],"unknowns":[41],"metal-affected":[44,98],"projections,":[45],"while":[46],"objective":[48,66,69],"function":[49,70],"is":[50,61,105],"set":[51],"up":[52],"image":[55,85,104],"domain.":[56],"data":[58],"fidelity":[59],"term":[60],"not":[62],"utilized":[63],"function.":[67],"of":[71,76,82,89,114],"proposed":[73,116],"consists":[75],"two":[77],"terms:":[78],"total":[80],"variation":[81],"metal-removed":[84],"energy":[88],"negative-valued":[91],"pixels":[92],"image.":[95],"After":[96],"projections":[99],"modified,":[101],"final":[103],"reconstructed":[106],"via":[107],"filtered":[109],"backprojection":[110],"algorithm.":[111],"feasibility":[113],"has":[118],"been":[119],"verified":[120],"by":[121],"real":[122],"experimental":[123],"data.":[124]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2022-01-26T00:00:00"}