{"id":"https://openalex.org/W2963523304","doi":"https://doi.org/10.1137/17m1160392","title":"Quantitative Analysis of Metal Artifacts in X-ray Tomography","display_name":"Quantitative Analysis of Metal Artifacts in X-ray Tomography","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2963523304","doi":"https://doi.org/10.1137/17m1160392","mag":"2963523304"},"language":"en","primary_location":{"id":"doi:10.1137/17m1160392","is_oa":false,"landing_page_url":"https://doi.org/10.1137/17m1160392","pdf_url":null,"source":{"id":"https://openalex.org/S74141806","display_name":"SIAM Journal on Mathematical Analysis","issn_l":"0036-1410","issn":["0036-1410","1095-7154"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Mathematical Analysis","raw_type":"journal-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/A5091157003","display_name":"Benjam\u00edn Palacios","orcid":"https://orcid.org/0000-0003-1671-5839"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Benjamin Palacios","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109171815","display_name":"G\u00fcnther Uhlmann","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gunther Uhlmann","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100367883","display_name":"Yiran Wang","orcid":"https://orcid.org/0000-0001-5520-1203"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yiran Wang","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5091157003"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2179,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.54398961,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"50","issue":"5","first_page":"4914","last_page":"4936"},"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":0.9998000264167786,"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":0.9998000264167786,"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T11205","display_name":"Numerical methods in inverse problems","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/streaking","display_name":"Streaking","score":0.9661654829978943},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6773268580436707},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.6305869817733765},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.5769656896591187},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5295162200927734},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.4895976185798645},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.46505531668663025},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.4437934458255768},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18929779529571533},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14112713932991028},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09091410040855408}],"concepts":[{"id":"https://openalex.org/C33600429","wikidata":"https://www.wikidata.org/wiki/Q2384832","display_name":"Streaking","level":2,"score":0.9661654829978943},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6773268580436707},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.6305869817733765},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.5769656896591187},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5295162200927734},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.4895976185798645},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.46505531668663025},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.4437934458255768},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18929779529571533},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14112713932991028},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09091410040855408}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1137/17m1160392","is_oa":false,"landing_page_url":"https://doi.org/10.1137/17m1160392","pdf_url":null,"source":{"id":"https://openalex.org/S74141806","display_name":"SIAM Journal on Mathematical Analysis","issn_l":"0036-1410","issn":["0036-1410","1095-7154"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Mathematical Analysis","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-93882","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-93882","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":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7300000190734863,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1965632887","https://openalex.org/W1976007818","https://openalex.org/W1978960799","https://openalex.org/W2003361848","https://openalex.org/W2042257579","https://openalex.org/W2278475848","https://openalex.org/W2962931988","https://openalex.org/W2963132150","https://openalex.org/W2963681095","https://openalex.org/W2964318047"],"related_works":["https://openalex.org/W2345849355","https://openalex.org/W2770535139","https://openalex.org/W2073693229","https://openalex.org/W2498271520","https://openalex.org/W3012006745","https://openalex.org/W2988866178","https://openalex.org/W4286857063","https://openalex.org/W3040895870","https://openalex.org/W245862691","https://openalex.org/W2794564760"],"abstract_inverted_index":{"In":[0,46],"an":[1],"X-ray":[2],"CT":[3],"scan":[4],"with":[5,62,89],"metallic":[6],"objects,":[7],"it":[8],"is":[9],"known":[10],"that":[11,69],"direct":[12],"application":[13],"of":[14,32,55,109],"the":[15,24,70,95,101,107,110],"filtered":[16],"back-projection":[17],"formula":[18],"leads":[19],"to":[20,76,80,100],"streaking":[21,71,96],"artifacts":[22,72,97,111],"in":[23,30,36],"reconstruction.":[25],"These":[26],"are":[27,73],"characterized":[28],"mathematically":[29],"terms":[31],"wave":[33],"front":[34],"sets":[35],"[Park,":[37],"Choi,":[38],"and":[39,67],"Seo,":[40],"Comm.":[41],"Pure":[42],"Appl.":[43],"Math.,":[44],"2017].":[45],"this":[47],"work,":[48],"we":[49,93,105],"give":[50],"a":[51],"quantitative":[52],"microlocal":[53],"analysis":[54],"such":[56],"artifacts.":[57],"We":[58],"consider":[59],"metal":[60,87],"regions":[61,88],"strictly":[63],"convex":[64],"smooth":[65,91],"boundaries":[66],"show":[68],"conormal":[74],"distributions":[75],"straight":[77],"lines":[78],"tangential":[79],"at":[81],"least":[82],"two":[83],"boundary":[84],"curves.":[85],"For":[86],"piecewise":[90],"boundaries,":[92],"analyze":[94],"especially":[98],"due":[99],"corner":[102],"points.":[103],"Finally,":[104],"study":[106],"reduction":[108],"using":[112],"appropriate":[113],"filters.":[114]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}