{"id":"https://openalex.org/W2904386749","doi":"https://doi.org/10.1109/access.2018.2885514","title":"A Novel Total Variation Model for Low-Dose CT Image Denoising","display_name":"A Novel Total Variation Model for Low-Dose CT Image Denoising","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2904386749","doi":"https://doi.org/10.1109/access.2018.2885514","mag":"2904386749"},"language":"en","primary_location":{"id":"doi:10.1109/access.2018.2885514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2885514","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2018.2885514","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114357330","display_name":"Wenbin Chen","orcid":"https://orcid.org/0000-0002-4042-5180"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenbin Chen","raw_affiliation_strings":["Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China"],"raw_orcid":"https://orcid.org/0000-0002-4042-5180","affiliations":[{"raw_affiliation_string":"Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081941172","display_name":"Yanling Shao","orcid":"https://orcid.org/0000-0003-3170-7853"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanling Shao","raw_affiliation_strings":["School of Science, North University of China, Taiyuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Science, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100393670","display_name":"Yanling Wang","orcid":"https://orcid.org/0000-0003-4338-2224"},"institutions":[{"id":"https://openalex.org/I170751988","display_name":"Shanxi University of Finance and Economics","ror":"https://ror.org/04nte7y58","country_code":"CN","type":"education","lineage":["https://openalex.org/I170751988"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanling Wang","raw_affiliation_strings":["School of Information Management, Shanxi University of Finance and Economics, Taiyuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information Management, Shanxi University of Finance and Economics, Taiyuan, China","institution_ids":["https://openalex.org/I170751988"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406661","display_name":"Quan Zhang","orcid":"https://orcid.org/0000-0001-5285-9202"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Quan Zhang","raw_affiliation_strings":["Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100330616","display_name":"Yi Liu","orcid":"https://orcid.org/0000-0003-1335-7626"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Liu","raw_affiliation_strings":["Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China"],"raw_orcid":"https://orcid.org/0000-0003-1335-7626","affiliations":[{"raw_affiliation_string":"Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109410998","display_name":"Linhong Yao","orcid":null},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linhong Yao","raw_affiliation_strings":["School of Science, North University of China, Taiyuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Science, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100703971","display_name":"Yan Chen","orcid":"https://orcid.org/0000-0001-6026-855X"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Chen","raw_affiliation_strings":["Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112387272","display_name":"Guanru Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanru Yang","raw_affiliation_strings":["School of Information and Communications Engineering, Beijing University of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075478974","display_name":"Zhiguo Gui","orcid":"https://orcid.org/0000-0002-8991-9907"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiguo Gui","raw_affiliation_strings":["Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China"],"raw_orcid":"https://orcid.org/0000-0002-8991-9907","affiliations":[{"raw_affiliation_string":"Shanxi Provincial Key Laboratory for Biomedical Imaging and Big Data, North University of China, Taiyuan, China","institution_ids":["https://openalex.org/I135714990"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2075,"currency":"USD","value_usd":2075},"apc_paid":{"value":2075,"currency":"USD","value_usd":2075},"fwci":0.6136,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.7137021,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"6","issue":null,"first_page":"78892","last_page":"78903"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987999796867371,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987999796867371,"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"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9987000226974487,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9983000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/total-variation-denoising","display_name":"Total variation denoising","score":0.6288435459136963},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6148715019226074},{"id":"https://openalex.org/keywords/streak","display_name":"Streak","score":0.6112509965896606},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6027112007141113},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5532410740852356},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.5484424829483032},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.5337074398994446},{"id":"https://openalex.org/keywords/standard-deviation","display_name":"Standard deviation","score":0.5015354156494141},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.49739792943000793},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4962971806526184},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.48493316769599915},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4639887809753418},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31241732835769653},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2997235655784607},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1284705400466919},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.09456029534339905},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07034054398536682}],"concepts":[{"id":"https://openalex.org/C207282899","wikidata":"https://www.wikidata.org/wiki/Q7828156","display_name":"Total variation denoising","level":3,"score":0.6288435459136963},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6148715019226074},{"id":"https://openalex.org/C65185188","wikidata":"https://www.wikidata.org/wiki/Q107775","display_name":"Streak","level":2,"score":0.6112509965896606},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6027112007141113},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5532410740852356},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.5484424829483032},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.5337074398994446},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.5015354156494141},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.49739792943000793},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4962971806526184},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.48493316769599915},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4639887809753418},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31241732835769653},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2997235655784607},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1284705400466919},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.09456029534339905},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07034054398536682},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2018.2885514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2885514","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f0fb7c5dc48644efb4fcfe94a61648fd","is_oa":true,"landing_page_url":"https://doaj.org/article/f0fb7c5dc48644efb4fcfe94a61648fd","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":"IEEE Access, Vol 6, Pp 78892-78903 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2018.2885514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2018.2885514","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6491865283","display_name":null,"funder_award_id":"61801438","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G871108008","display_name":"\u8fd1\u7ea2\u5916\u6f2b\u5c04\u5149\u8840\u6d41\u6210\u50cf\u7684\u5efa\u6a21\u4e0e\u7b97\u6cd5\u7814\u7a76","funder_award_id":"61671413","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1486737167","https://openalex.org/W1489458628","https://openalex.org/W1593038947","https://openalex.org/W1966035864","https://openalex.org/W1966364402","https://openalex.org/W1969863629","https://openalex.org/W1972150100","https://openalex.org/W1977472541","https://openalex.org/W1979261386","https://openalex.org/W1985904127","https://openalex.org/W1987408386","https://openalex.org/W1993698112","https://openalex.org/W2001435563","https://openalex.org/W2013559812","https://openalex.org/W2020741214","https://openalex.org/W2029109444","https://openalex.org/W2035199208","https://openalex.org/W2042743306","https://openalex.org/W2048695508","https://openalex.org/W2056370875","https://openalex.org/W2065640043","https://openalex.org/W2075441862","https://openalex.org/W2091705747","https://openalex.org/W2103559027","https://openalex.org/W2112081602","https://openalex.org/W2122287830","https://openalex.org/W2122546849","https://openalex.org/W2131867082","https://openalex.org/W2133665775","https://openalex.org/W2142884793","https://openalex.org/W2150134853","https://openalex.org/W2151588937","https://openalex.org/W2160547390","https://openalex.org/W2169288322","https://openalex.org/W2170053503","https://openalex.org/W2317084172","https://openalex.org/W2557395112","https://openalex.org/W2570202822","https://openalex.org/W2582282150","https://openalex.org/W2621119428","https://openalex.org/W3025108032","https://openalex.org/W4406352293","https://openalex.org/W6629294457","https://openalex.org/W6699464847","https://openalex.org/W6778079802"],"related_works":["https://openalex.org/W2588406281","https://openalex.org/W3033981387","https://openalex.org/W2495078643","https://openalex.org/W1605636162","https://openalex.org/W3010678772","https://openalex.org/W2344001031","https://openalex.org/W2559187321","https://openalex.org/W2612397051","https://openalex.org/W3209466624","https://openalex.org/W1490451209"],"abstract_inverted_index":{"Low-dose":[0],"computed":[1],"tomography":[2],"(LDCT)":[3],"images":[4,16,50,152],"are":[5,63,118],"polluted":[6],"by":[7,39,102],"mottle":[8],"noise":[9,158],"and":[10,44,56,71,89,113,125,139,159,163],"streak":[11],"artifacts.":[12],"To":[13],"improve":[14,150],"LDCT":[15,49,151],"quality,":[17],"this":[18],"paper":[19],"proposes":[20],"a":[21],"novel":[22],"total":[23],"variation":[24],"(NTV)":[25],"model.":[26],"A":[27],"weighted":[28],"coefficient":[29],"of":[30,34,60,67,75,81,95],"the":[31,53,57,68,72,82,92,96,103,121,126,145],"regularization":[32],"term":[33,94],"NTV":[35,98,147],"model":[36,99,148],"is":[37,77,100],"constructed":[38,101],"standard":[40,54],"deviation,":[41],"gray-level":[42,58],"probability":[43,59],"gradient":[45,73],"magnitude":[46,74],"to":[47,86],"smooth":[48],"adaptively,":[51],"since":[52],"deviation":[55],"detail":[61],"region":[62],"higher":[64,78],"than":[65,79],"that":[66,80,144],"noisy":[69,83],"background,":[70],"edges":[76,90,114,164],"background.":[84],"Besides,":[85],"preserve":[87],"details":[88,112],"effectively,":[91],"fidelity":[93],"proposed":[97,146],"block-matching":[104],"3d":[105],"filter":[106],"because":[107],"it":[108],"performs":[109],"well":[110],"in":[111],"preservation.":[115,165],"The":[116],"experiments":[117],"performed":[119],"on":[120],"computer":[122],"simulated":[123],"phantom":[124],"actual":[127],"phantom.":[128],"Compared":[129],"with":[130],"several":[131],"other":[132],"competitive":[133],"methods,":[134],"both":[135],"subjective":[136],"visual":[137],"effect":[138],"objective":[140],"evaluation":[141],"criteria":[142],"show":[143],"can":[149],"quality":[153],"more":[154],"effectively":[155],"such":[156],"as":[157],"artifacts":[160],"suppression,":[161],"details,":[162]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}