{"id":"https://openalex.org/W3171448409","doi":"https://doi.org/10.1137/20m1341490","title":"Limited-Angle CT Reconstruction via the $L_1/L_2$ Minimization","display_name":"Limited-Angle CT Reconstruction via the $L_1/L_2$ Minimization","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3171448409","doi":"https://doi.org/10.1137/20m1341490","mag":"3171448409"},"language":"en","primary_location":{"id":"doi:10.1137/20m1341490","is_oa":false,"landing_page_url":"https://doi.org/10.1137/20m1341490","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"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 Imaging Sciences","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/A5080467915","display_name":"Chao Wang","orcid":"https://orcid.org/0000-0001-6524-504X"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]},{"id":"https://openalex.org/I867280407","display_name":"The University of Texas Southwestern Medical Center","ror":"https://ror.org/05byvp690","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I867280407"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Chao Wang","raw_affiliation_strings":["Department of Mathematical Sciences, University of Texas at Dallas, Richardson, TX 75080, USA; De-partment of Radiation Oncology,","University of Texas Southwestern Medical Center, Dallas, TX 75390, USA"],"raw_orcid":"https://orcid.org/0000-0001-6524-504X","affiliations":[{"raw_affiliation_string":"Department of Mathematical Sciences, University of Texas at Dallas, Richardson, TX 75080, USA; De-partment of Radiation Oncology,","institution_ids":["https://openalex.org/I162577319"]},{"raw_affiliation_string":"University of Texas Southwestern Medical Center, Dallas, TX 75390, USA","institution_ids":["https://openalex.org/I867280407"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072825287","display_name":"Min Tao","orcid":"https://orcid.org/0000-0003-4750-2959"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Tao","raw_affiliation_strings":["Department of Mathematics, National Key Laboratory for Novel Software Technology, Nanjing University, Nan-jing 210093, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, National Key Laboratory for Novel Software Technology, Nanjing University, Nan-jing 210093, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045326873","display_name":"James G. Nagy","orcid":"https://orcid.org/0000-0002-0451-3853"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James G. Nagy","raw_affiliation_strings":["Department of Mathematics, Emory University, Atlanta, GA 30322, USA"],"raw_orcid":"https://orcid.org/0000-0002-0451-3853","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Emory University, Atlanta, GA 30322, USA","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062067602","display_name":"Yifei Lou","orcid":"https://orcid.org/0000-0003-1973-5704"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yifei Lou","raw_affiliation_strings":["Department of Mathematical Sciences, University of Texas at Dallas, Richardson, TX 75080, USA"],"raw_orcid":"https://orcid.org/0000-0003-1973-5704","affiliations":[{"raw_affiliation_string":"Department of Mathematical Sciences, University of Texas at Dallas, Richardson, TX 75080, USA","institution_ids":["https://openalex.org/I162577319"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5080467915"],"corresponding_institution_ids":["https://openalex.org/I162577319","https://openalex.org/I867280407"],"apc_list":null,"apc_paid":null,"fwci":6.4526,"has_fulltext":false,"cited_by_count":68,"citation_normalized_percentile":{"value":0.97270232,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"14","issue":"2","first_page":"749","last_page":"777"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":1.0,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998999834060669,"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/T11205","display_name":"Numerical methods in inverse problems","score":0.9984999895095825,"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/convergence","display_name":"Convergence (economics)","score":0.6971274614334106},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.6489527225494385},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6269121170043945},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5639263391494751},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5196532011032104},{"id":"https://openalex.org/keywords/computed-tomography","display_name":"Computed tomography","score":0.5016493797302246},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44193360209465027},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4295646846294403},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42646434903144836},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.42469415068626404},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1657993197441101},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09325149655342102},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09286504983901978}],"concepts":[{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.6971274614334106},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.6489527225494385},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6269121170043945},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5639263391494751},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5196532011032104},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.5016493797302246},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44193360209465027},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4295646846294403},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42646434903144836},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.42469415068626404},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1657993197441101},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09325149655342102},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09286504983901978},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/20m1341490","is_oa":false,"landing_page_url":"https://doi.org/10.1137/20m1341490","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"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 Imaging Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.5099999904632568}],"awards":[{"id":"https://openalex.org/G1283425618","display_name":null,"funder_award_id":"2018AAA0101100","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G1976725514","display_name":null,"funder_award_id":"DMS-1819042","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2430603138","display_name":"Flexible Krylov Subspace Projection Methods for Inverse Problems","funder_award_id":"1819042","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3257659032","display_name":null,"funder_award_id":"5R01CA181171-04","funder_id":"https://openalex.org/F4320332161","funder_display_name":"National Institutes of Health"},{"id":"https://openalex.org/G4579156949","display_name":null,"funder_award_id":"1934568","funder_id":"https://openalex.org/F4320337387","funder_display_name":"Division of Computing and Communication Foundations"},{"id":"https://openalex.org/G5241975850","display_name":null,"funder_award_id":"CityU11301120","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5438160124","display_name":null,"funder_award_id":"2018AAA0101100","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G549511481","display_name":null,"funder_award_id":"CAREER 1846690","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6671297155","display_name":null,"funder_award_id":"CAREER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8311771737","display_name":null,"funder_award_id":"11971228","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320309893","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320337387","display_name":"Division of Computing and Communication Foundations","ror":"https://ror.org/01mng8331"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":78,"referenced_works":["https://openalex.org/W1133280781","https://openalex.org/W1579559187","https://openalex.org/W1586417863","https://openalex.org/W1676212501","https://openalex.org/W1972150100","https://openalex.org/W1972868011","https://openalex.org/W1991456038","https://openalex.org/W1991857131","https://openalex.org/W1993253771","https://openalex.org/W2001666657","https://openalex.org/W2003624223","https://openalex.org/W2004544971","https://openalex.org/W2005089986","https://openalex.org/W2021361347","https://openalex.org/W2024575266","https://openalex.org/W2028864020","https://openalex.org/W2034974381","https://openalex.org/W2037521346","https://openalex.org/W2039472483","https://openalex.org/W2045563668","https://openalex.org/W2046470130","https://openalex.org/W2056201402","https://openalex.org/W2066408666","https://openalex.org/W2071182070","https://openalex.org/W2081323040","https://openalex.org/W2082508057","https://openalex.org/W2089106993","https://openalex.org/W2090256922","https://openalex.org/W2092663520","https://openalex.org/W2098092211","https://openalex.org/W2101083207","https://openalex.org/W2101675075","https://openalex.org/W2103559027","https://openalex.org/W2107861471","https://openalex.org/W2112575052","https://openalex.org/W2133665775","https://openalex.org/W2139781420","https://openalex.org/W2142058898","https://openalex.org/W2143071121","https://openalex.org/W2146583368","https://openalex.org/W2156523995","https://openalex.org/W2157812230","https://openalex.org/W2159463567","https://openalex.org/W2163232332","https://openalex.org/W2164278908","https://openalex.org/W2170041489","https://openalex.org/W2295652899","https://openalex.org/W2317475341","https://openalex.org/W2471604734","https://openalex.org/W2516602727","https://openalex.org/W2746118311","https://openalex.org/W2760002580","https://openalex.org/W2775062332","https://openalex.org/W2791646708","https://openalex.org/W2797156168","https://openalex.org/W2798810214","https://openalex.org/W2803197818","https://openalex.org/W2903737466","https://openalex.org/W2946394622","https://openalex.org/W2962689221","https://openalex.org/W2962853966","https://openalex.org/W2963178962","https://openalex.org/W2963653931","https://openalex.org/W2963960715","https://openalex.org/W2964088520","https://openalex.org/W2964137678","https://openalex.org/W2990337753","https://openalex.org/W2990671712","https://openalex.org/W3029645440","https://openalex.org/W3098027466","https://openalex.org/W3100817920","https://openalex.org/W3100860507","https://openalex.org/W3104980810","https://openalex.org/W3105393233","https://openalex.org/W3106045672","https://openalex.org/W3106461934","https://openalex.org/W4240518936","https://openalex.org/W4292363360"],"related_works":["https://openalex.org/W2807251790","https://openalex.org/W2799406489","https://openalex.org/W1517908938","https://openalex.org/W2049792449","https://openalex.org/W3151522584","https://openalex.org/W1497123311","https://openalex.org/W986251431","https://openalex.org/W2884465220","https://openalex.org/W563727013","https://openalex.org/W2281834912"],"abstract_inverted_index":{"In":[0,48],"this":[1],"paper,":[2],"we":[3,50],"consider":[4],"minimizing":[5],"the":[6,10,35,62,65,82,94,98],"$L_1/L_2$":[7],"term":[8],"on":[9,75],"gradient":[11],"for":[12,28,58,64],"a":[13,24,52],"limited-angle":[14,99],"scanning":[15],"problem":[16],"in":[17,97],"computed":[18],"tomography":[19],"(CT)":[20],"reconstruction.":[21,101],"We":[22],"design":[23],"specific":[25],"splitting":[26],"framework":[27],"an":[29],"unconstrained":[30],"optimization":[31],"model":[32],"so":[33],"that":[34,55],"alternating":[36],"direction":[37],"method":[38],"of":[39,86],"multipliers":[40],"(ADMM)":[41],"has":[42],"guaranteed":[43],"convergence":[44,63],"under":[45],"certain":[46],"conditions.":[47],"addition,":[49],"incorporate":[51],"box":[53,67],"constraint":[54,68],"is":[56],"reasonable":[57],"imaging":[59],"applications,":[60],"and":[61,78,84],"additional":[66],"can":[69],"also":[70],"be":[71],"established.":[72],"Numerical":[73],"results":[74],"both":[76],"synthetic":[77],"experimental":[79],"datasets":[80],"demonstrate":[81],"effectiveness":[83],"efficiency":[85],"our":[87],"proposed":[88],"approach,":[89],"showing":[90],"significant":[91],"improvements":[92],"over":[93],"state-of-the-art":[95],"methods":[96],"CT":[100]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":16},{"year":2024,"cited_by_count":22},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}
