{"id":"https://openalex.org/W4409367534","doi":"https://doi.org/10.1609/aaai.v39i5.32564","title":"AGLLDiff: Guiding Diffusion Models Towards Unsupervised Training-free Real-world Low-light Image Enhancement","display_name":"AGLLDiff: Guiding Diffusion Models Towards Unsupervised Training-free Real-world Low-light Image Enhancement","publication_year":2025,"publication_date":"2025-04-11","ids":{"openalex":"https://openalex.org/W4409367534","doi":"https://doi.org/10.1609/aaai.v39i5.32564"},"language":"en","primary_location":{"id":"doi:10.1609/aaai.v39i5.32564","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v39i5.32564","pdf_url":"https://ojs.aaai.org/index.php/AAAI/article/download/32564/34719","source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://ojs.aaai.org/index.php/AAAI/article/download/32564/34719","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102998293","display_name":"Yunlong Lin","orcid":"https://orcid.org/0000-0003-2460-0804"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yunlong Lin","raw_affiliation_strings":["Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089331963","display_name":"Ye Tian","orcid":"https://orcid.org/0000-0002-0981-6677"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tian Ye","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou), China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou), China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000301628","display_name":"Sixiang Chen","orcid":"https://orcid.org/0009-0003-6837-886X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sixiang Chen","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou), China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou), China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002531550","display_name":"Zhenqi Fu","orcid":"https://orcid.org/0000-0003-2950-7190"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenqi Fu","raw_affiliation_strings":["Tsinghua University, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108667845","display_name":"Yingying Wang","orcid":"https://orcid.org/0000-0003-0752-642X"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingying Wang","raw_affiliation_strings":["Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103021774","display_name":"Wenhao Chai","orcid":"https://orcid.org/0000-0003-2611-0008"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenhao Chai","raw_affiliation_strings":["University of Washington, USA"],"affiliations":[{"raw_affiliation_string":"University of Washington, USA","institution_ids":["https://openalex.org/I201448701"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046574605","display_name":"Zhaohu Xing","orcid":"https://orcid.org/0009-0002-2502-3578"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhaohu Xing","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou), China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou), China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065448472","display_name":"Wenxue Li","orcid":"https://orcid.org/0000-0002-1301-4933"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wenxue Li","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou), China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou), China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101627419","display_name":"Lei Zhu","orcid":"https://orcid.org/0000-0003-1618-7570"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lei Zhu","raw_affiliation_strings":["The Hong Kong University of Science and Technology (Guangzhou), China\nThe Hong Kong University of Science and Technology, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong University of Science and Technology (Guangzhou), China\nThe Hong Kong University of Science and Technology, Hong Kong SAR, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052820597","display_name":"Xinghao Ding","orcid":"https://orcid.org/0000-0003-2288-5287"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinghao Ding","raw_affiliation_strings":["Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, China\nSchool of Informatics,Xiamen University, China","institution_ids":["https://openalex.org/I191208505"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5102998293"],"corresponding_institution_ids":["https://openalex.org/I191208505"],"apc_list":null,"apc_paid":null,"fwci":4.0778,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.95716034,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"39","issue":"5","first_page":"5307","last_page":"5315"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":0.9980000257492065,"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":0.9980000257492065,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9850000143051147,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9783999919891357,"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/training","display_name":"Training (meteorology)","score":0.7123234272003174},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.6139481067657471},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5224123001098633},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5191725492477417},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.47642573714256287},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3732433617115021},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.325926274061203},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.10498777031898499},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09403353929519653}],"concepts":[{"id":"https://openalex.org/C2777211547","wikidata":"https://www.wikidata.org/wiki/Q17141490","display_name":"Training (meteorology)","level":2,"score":0.7123234272003174},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.6139481067657471},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5224123001098633},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5191725492477417},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47642573714256287},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3732433617115021},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.325926274061203},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10498777031898499},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09403353929519653},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1609/aaai.v39i5.32564","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v39i5.32564","pdf_url":"https://ojs.aaai.org/index.php/AAAI/article/download/32564/34719","source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-161277","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-161277","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":"Conference paper"}],"best_oa_location":{"id":"doi:10.1609/aaai.v39i5.32564","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v39i5.32564","pdf_url":"https://ojs.aaai.org/index.php/AAAI/article/download/32564/34719","source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1523477432","display_name":null,"funder_award_id":"821720","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2376276132","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4629629349","display_name":null,"funder_award_id":"82272071","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4851854195","display_name":null,"funder_award_id":"62271430","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5115423372","display_name":null,"funder_award_id":"61971369","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5339618318","display_name":null,"funder_award_id":"82172033","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6130862679","display_name":null,"funder_award_id":"U19B2031","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G652740980","display_name":null,"funder_award_id":"20720230104","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7418738665","display_name":null,"funder_award_id":"52105126","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8951484681","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G940605226","display_name":null,"funder_award_id":"2272071","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"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4409367534.pdf","grobid_xml":"https://content.openalex.org/works/W4409367534.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W230091440","https://openalex.org/W2233261550","https://openalex.org/W2810751659","https://openalex.org/W258997015","https://openalex.org/W2997094352","https://openalex.org/W3216976533","https://openalex.org/W100620283","https://openalex.org/W2495260952","https://openalex.org/W4366179611","https://openalex.org/W2996078371"],"abstract_inverted_index":{"Existing":[0],"low-light":[1],"image":[2,37,92],"enhancement":[3],"(LIE)":[4],"methods":[5,137],"have":[6],"achieved":[7],"noteworthy":[8],"success":[9],"in":[10,19,29,140,152],"solving":[11],"synthetic":[12],"distortions,":[13],"yet":[14],"they":[15],"often":[16,40],"fall":[17],"short":[18],"practical":[20],"applications.":[21],"The":[22],"limitations":[23],"arise":[24],"from":[25],"two":[26],"inherent":[27],"challenges":[28],"real-world":[30,72],"LIE:":[31],"1)":[32],"the":[33,61,78,83,87,110,115,132],"collection":[34],"of":[35,75,97,142],"distorted/clean":[36],"pairs":[38],"is":[39],"impractical":[41],"and":[42,46,85,95,105,144,147],"sometimes":[43],"even":[44,151],"unavailable,":[45],"2)":[47],"accurately":[48],"modeling":[49],"complex":[50],"degradations":[51],"presents":[52],"a":[53,67,120],"non-trivial":[54],"problem.":[55],"To":[56],"overcome":[57],"them,":[58],"we":[59],"propose":[60],"Attribute":[62],"Guidance":[63],"Diffusion":[64],"framework":[65],"(AGLLDiff),":[66],"training-free":[68],"method":[69],"for":[70],"effective":[71],"LIE.":[73],"Instead":[74],"specifically":[76],"defining":[77],"degradation":[79,111],"process,":[80,112],"AGLLDiff":[81],"shifts":[82],"paradigm":[84],"models":[86],"desired":[88],"attributes,":[89],"such":[90],"as":[91],"exposure,":[93],"structure":[94],"color":[96],"normal-light":[98],"images.":[99],"These":[100],"attributes":[101],"are":[102],"readily":[103],"available":[104],"impose":[106],"no":[107],"assumptions":[108],"about":[109],"which":[113],"guides":[114],"diffusion":[116],"sampling":[117],"process":[118],"to":[119],"reliable":[121],"high-quality":[122],"solution":[123],"space.":[124],"Extensive":[125],"experiments":[126],"demonstrate":[127],"that":[128],"our":[129],"approach":[130],"outperforms":[131],"current":[133],"leading":[134],"unsupervised":[135],"LIE":[136],"across":[138],"benchmarks":[139],"terms":[141],"distortion-based":[143],"perceptual-based":[145],"metrics,":[146],"it":[148],"performs":[149],"well":[150],"sophisticated":[153],"wild":[154],"degradation.":[155]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":8}],"updated_date":"2026-04-19T08:26:33.389920","created_date":"2025-10-10T00:00:00"}
