{"id":"https://openalex.org/W4292182386","doi":"https://doi.org/10.1142/s0218001422540180","title":"A Structure Preservation and Denoising Low-Light Enhancement Model via Coefficient of Variation","display_name":"A Structure Preservation and Denoising Low-Light Enhancement Model via Coefficient of Variation","publication_year":2022,"publication_date":"2022-08-16","ids":{"openalex":"https://openalex.org/W4292182386","doi":"https://doi.org/10.1142/s0218001422540180"},"language":"en","primary_location":{"id":"doi:10.1142/s0218001422540180","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218001422540180","pdf_url":null,"source":{"id":"https://openalex.org/S41486457","display_name":"International Journal of Pattern Recognition and Artificial Intelligence","issn_l":"0218-0014","issn":["0218-0014","1793-6381"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Pattern Recognition and Artificial Intelligence","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/A5041596155","display_name":"Xingtai Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingtai Wu","raw_affiliation_strings":["College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101432128","display_name":"Bin Wu","orcid":"https://orcid.org/0000-0002-7112-126X"},"institutions":[{"id":"https://openalex.org/I4210119392","display_name":"Institute of Microelectronics","ror":"https://ror.org/02s6gs133","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210119392"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Wu","raw_affiliation_strings":["Aerospace Science and Technology Industry Microelectronics System Institute Co., Ltd., No. 269, North Section of Hupan Road, Chengdu, Sichuan 610213, P. R. China"],"affiliations":[{"raw_affiliation_string":"Aerospace Science and Technology Industry Microelectronics System Institute Co., Ltd., No. 269, North Section of Hupan Road, Chengdu, Sichuan 610213, P. R. China","institution_ids":["https://openalex.org/I4210119392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018271494","display_name":"Jingyuan He","orcid":"https://orcid.org/0000-0002-3116-7554"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingyuan He","raw_affiliation_strings":["College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046520540","display_name":"Bin Fang","orcid":"https://orcid.org/0000-0003-1955-6626"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Fang","raw_affiliation_strings":["College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052276737","display_name":"Zhaowei Shang","orcid":null},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaowei Shang","raw_affiliation_strings":["College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5107556956","display_name":"Mingliang Zhou","orcid":"https://orcid.org/0000-0002-1874-3641"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingliang Zhou","raw_affiliation_strings":["College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, No. 174, Shazhengjie, Shapingba, Chongqing 400044, P. R. China","institution_ids":["https://openalex.org/I158842170"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5107556956"],"corresponding_institution_ids":["https://openalex.org/I158842170"],"apc_list":null,"apc_paid":null,"fwci":0.302,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.53694627,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"36","issue":"13","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":1.0,"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/T11019","display_name":"Image Enhancement Techniques","score":1.0,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9991999864578247,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9986000061035156,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/total-variation-denoising","display_name":"Total variation denoising","score":0.6725163459777832},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6335052251815796},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.629483699798584},{"id":"https://openalex.org/keywords/color-constancy","display_name":"Color constancy","score":0.5829699039459229},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.5424892902374268},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5388498306274414},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5375146269798279},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.46995118260383606},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4580456614494324},{"id":"https://openalex.org/keywords/variation","display_name":"Variation (astronomy)","score":0.44903892278671265},{"id":"https://openalex.org/keywords/smoothness","display_name":"Smoothness","score":0.44780197739601135},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.424530565738678},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39637070894241333},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3467523455619812},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3354494869709015}],"concepts":[{"id":"https://openalex.org/C207282899","wikidata":"https://www.wikidata.org/wiki/Q7828156","display_name":"Total variation denoising","level":3,"score":0.6725163459777832},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6335052251815796},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.629483699798584},{"id":"https://openalex.org/C187888035","wikidata":"https://www.wikidata.org/wiki/Q2563885","display_name":"Color constancy","level":3,"score":0.5829699039459229},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.5424892902374268},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5388498306274414},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5375146269798279},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.46995118260383606},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4580456614494324},{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.44903892278671265},{"id":"https://openalex.org/C102634674","wikidata":"https://www.wikidata.org/wiki/Q868473","display_name":"Smoothness","level":2,"score":0.44780197739601135},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.424530565738678},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39637070894241333},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3467523455619812},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3354494869709015},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218001422540180","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218001422540180","pdf_url":null,"source":{"id":"https://openalex.org/S41486457","display_name":"International Journal of Pattern Recognition and Artificial Intelligence","issn_l":"0218-0014","issn":["0218-0014","1793-6381"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Pattern Recognition and Artificial Intelligence","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G4740480681","display_name":null,"funder_award_id":"62176027","funder_id":"https://openalex.org/F4320336807","funder_display_name":"National Natural Science Foundation of China-China Academy of General Technology Joint Fund for Basic Research"}],"funders":[{"id":"https://openalex.org/F4320336807","display_name":"National Natural Science Foundation of China-China Academy of General Technology Joint Fund for Basic Research","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1540764732","https://openalex.org/W1640745651","https://openalex.org/W1978461177","https://openalex.org/W2011592399","https://openalex.org/W2040053806","https://openalex.org/W2054814429","https://openalex.org/W2076205488","https://openalex.org/W2083509580","https://openalex.org/W2086087329","https://openalex.org/W2100969003","https://openalex.org/W2102166818","https://openalex.org/W2107861471","https://openalex.org/W2121900453","https://openalex.org/W2150721269","https://openalex.org/W2164847484","https://openalex.org/W2254039850","https://openalex.org/W2321199736","https://openalex.org/W2468596194","https://openalex.org/W2515315308","https://openalex.org/W2566376500","https://openalex.org/W2791710889","https://openalex.org/W2799396445","https://openalex.org/W2948354154","https://openalex.org/W2957702778","https://openalex.org/W2963037989","https://openalex.org/W2963529931","https://openalex.org/W2963766909","https://openalex.org/W2982619380","https://openalex.org/W3006716946","https://openalex.org/W3009498780","https://openalex.org/W3011440129","https://openalex.org/W3015044426","https://openalex.org/W3015245338","https://openalex.org/W3022336857","https://openalex.org/W3049022626","https://openalex.org/W3094458433","https://openalex.org/W3105273993","https://openalex.org/W4206993822"],"related_works":["https://openalex.org/W3033981387","https://openalex.org/W2495078643","https://openalex.org/W3010678772","https://openalex.org/W2559187321","https://openalex.org/W2612397051","https://openalex.org/W1490451209","https://openalex.org/W2586189899","https://openalex.org/W4387314738","https://openalex.org/W233850645","https://openalex.org/W2775199232"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,19,43,74],"propose":[4],"a":[5],"structure-preserving":[6],"and":[7,65,94,116],"denoising":[8,88],"low-light":[9,29,96],"enhancement":[10],"method":[11,108],"that":[12,106],"uses":[13],"the":[14,21,27,36,45,52,60,63,67,70,76,82,87],"coefficient":[15,22],"of":[16,23,62],"variation.":[17],"First,":[18],"use":[20,44],"variation":[24,47],"to":[25,34,50,58],"process":[26],"original":[28],"image,":[30],"which":[31,55,85],"is":[32,56,98,127],"used":[33,57],"obtain":[35],"enhanced":[37,93],"illumination":[38],"gradient":[39],"reference":[40],"map.":[41],"Second,":[42],"total":[46],"(TV)":[48],"norm":[49],"regularize":[51],"reflectance":[53,71],"gradient,":[54],"maintain":[59],"smoothness":[61],"image":[64,97],"eliminate":[66],"artifacts":[68],"in":[69,113],"estimation.":[72],"Finally,":[73],"combine":[75],"above":[77],"two":[78],"constraint":[79],"terms":[80],"with":[81,120],"Retinex":[83],"theory,":[84],"contains":[86],"regular":[89],"term.":[90],"The":[91],"final":[92],"denoised":[95],"obtained":[99],"by":[100],"iterative":[101],"solution.":[102],"Experimental":[103],"results":[104],"show":[105],"our":[107],"can":[109],"achieve":[110],"superior":[111],"performance":[112],"both":[114],"subjective":[115],"objective":[117],"assessments":[118],"compared":[119],"other":[121],"state-of-the-art":[122],"methods":[123],"(the":[124],"source":[125],"code":[126],"available":[128],"at:":[129],"https://github.com/bbxavi/SPDLEM":[130],".).":[131]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}