{"id":"https://openalex.org/W7135013703","doi":"https://doi.org/10.1109/tip.2026.3671638","title":"DiffLLFace: Learning Alternate Illumination-Diffusion Adaptation for Low-Light Face Super-Resolution and Beyond","display_name":"DiffLLFace: Learning Alternate Illumination-Diffusion Adaptation for Low-Light Face Super-Resolution and Beyond","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7135013703","doi":"https://doi.org/10.1109/tip.2026.3671638","pmid":"https://pubmed.ncbi.nlm.nih.gov/41817974"},"language":"en","primary_location":{"id":"doi:10.1109/tip.2026.3671638","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2026.3671638","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Image Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5122781308","display_name":"Runmin Cong","orcid":null},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Runmin Cong","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, China"],"raw_orcid":"https://orcid.org/0000-0003-0972-4008","affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102254124","display_name":"Kaisheng Pang","orcid":null},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaisheng Pang","raw_affiliation_strings":["School of Information Science and Engineering, Shandong University, Qingdao, China"],"raw_orcid":"https://orcid.org/0009-0007-5280-4640","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong University, Qingdao, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128803984","display_name":"Feng Li","orcid":null},"institutions":[{"id":"https://openalex.org/I16365422","display_name":"Hefei University of Technology","ror":"https://ror.org/02czkny70","country_code":"CN","type":"education","lineage":["https://openalex.org/I16365422"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Li","raw_affiliation_strings":["Key Laboratory of Knowledge Engineering With Big Data, Ministry of Education of China, and the Innovation School of Artificial Intelligence, Hefei University of Technology, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0001-9862-0432","affiliations":[{"raw_affiliation_string":"Key Laboratory of Knowledge Engineering With Big Data, Ministry of Education of China, and the Innovation School of Artificial Intelligence, Hefei University of Technology, Hefei, China","institution_ids":["https://openalex.org/I16365422"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hua Li","orcid":"https://orcid.org/0000-0003-0740-0691"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Li","raw_affiliation_strings":["School of Computer Science and Technology, Hainan University, Haikou, China"],"raw_orcid":"https://orcid.org/0000-0003-0740-0691","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128883459","display_name":"Huihui Bai","orcid":null},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huihui Bai","raw_affiliation_strings":["Institute of Information Science, Beijing Jiaotong University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3879-8957","affiliations":[{"raw_affiliation_string":"Institute of Information Science, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128837982","display_name":"Sam Kwong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sam Kwong","raw_affiliation_strings":["School of Data Science, Lingnan University, Hong Kong, SAR, China"],"raw_orcid":"https://orcid.org/0000-0001-7484-7261","affiliations":[{"raw_affiliation_string":"School of Data Science, Lingnan University, Hong Kong, SAR, China","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"Wei Zhang","orcid":"https://orcid.org/0000-0002-4960-3190"},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Zhang","raw_affiliation_strings":["School of Control Science and Engineering and the Key Laboratory of Machine Intelligence and System Control, Ministry of Education, Shandong University, Jinan, China"],"raw_orcid":"https://orcid.org/0000-0002-4960-3190","affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering and the Key Laboratory of Machine Intelligence and System Control, Ministry of Education, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I1327237609"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5122781308"],"corresponding_institution_ids":["https://openalex.org/I154099455"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.50272438,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"35","issue":null,"first_page":"2499","last_page":"2512"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.29809999465942383,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.29809999465942383,"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/T11448","display_name":"Face recognition and analysis","score":0.2619999945163727,"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/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.11819999665021896,"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/face","display_name":"Face (sociological concept)","score":0.5462999939918518},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.4251999855041504},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.41909998655319214},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.2865999937057495},{"id":"https://openalex.org/keywords/perception","display_name":"Perception","score":0.28189998865127563}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6492999792098999},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5684999823570251},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.5462999939918518},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.4251999855041504},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.41909998655319214},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3215999901294708},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.2865999937057495},{"id":"https://openalex.org/C26760741","wikidata":"https://www.wikidata.org/wiki/Q160402","display_name":"Perception","level":2,"score":0.28189998865127563},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.27239999175071716},{"id":"https://openalex.org/C4641261","wikidata":"https://www.wikidata.org/wiki/Q11681085","display_name":"Face detection","level":4,"score":0.2599000036716461},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.2563000023365021},{"id":"https://openalex.org/C183322885","wikidata":"https://www.wikidata.org/wiki/Q17007702","display_name":"Context model","level":3,"score":0.25060001015663147}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tip.2026.3671638","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2026.3671638","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Image Processing","raw_type":"journal-article"},{"id":"pmid:41817974","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41817974","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on image processing : a publication of the IEEE Signal Processing Society","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6353440284729004,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G1914386590","display_name":null,"funder_award_id":"62471278","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5106885279","display_name":null,"funder_award_id":"62461018","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G67044858","display_name":null,"funder_award_id":"62302141","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G862766206","display_name":null,"funder_award_id":"62331003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G958840978","display_name":null,"funder_award_id":"2025CXGC010111","funder_id":"https://openalex.org/F4320333596","funder_display_name":"Key Technology Research and Development Program of Shandong"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320333596","display_name":"Key Technology Research and Development Program of Shandong","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":88,"referenced_works":["https://openalex.org/W1885185971","https://openalex.org/W1982471090","https://openalex.org/W2054515210","https://openalex.org/W2076205488","https://openalex.org/W2102166818","https://openalex.org/W2121900453","https://openalex.org/W2133665775","https://openalex.org/W2201706299","https://openalex.org/W2254039850","https://openalex.org/W2603777577","https://openalex.org/W2883102461","https://openalex.org/W2895542678","https://openalex.org/W2955625300","https://openalex.org/W2962770929","https://openalex.org/W2962785568","https://openalex.org/W2963089432","https://openalex.org/W2963583792","https://openalex.org/W2963676087","https://openalex.org/W2964060609","https://openalex.org/W3009587015","https://openalex.org/W3013338555","https://openalex.org/W3034347506","https://openalex.org/W3035731588","https://openalex.org/W3097167612","https://openalex.org/W3109016549","https://openalex.org/W3121661546","https://openalex.org/W3134649899","https://openalex.org/W3139167831","https://openalex.org/W3152132512","https://openalex.org/W3155072588","https://openalex.org/W3167297682","https://openalex.org/W3174166237","https://openalex.org/W3174792937","https://openalex.org/W3174883353","https://openalex.org/W3180391059","https://openalex.org/W3193508667","https://openalex.org/W3205004111","https://openalex.org/W3207918547","https://openalex.org/W4205467938","https://openalex.org/W4210944420","https://openalex.org/W4214593719","https://openalex.org/W4214745154","https://openalex.org/W4214849322","https://openalex.org/W4288071427","https://openalex.org/W4311212916","https://openalex.org/W4311415873","https://openalex.org/W4312249431","https://openalex.org/W4312326192","https://openalex.org/W4312400623","https://openalex.org/W4312725970","https://openalex.org/W4312746248","https://openalex.org/W4312845047","https://openalex.org/W4312933868","https://openalex.org/W4312971930","https://openalex.org/W4320008741","https://openalex.org/W4382240242","https://openalex.org/W4383988908","https://openalex.org/W4386075678","https://openalex.org/W4386083034","https://openalex.org/W4386083096","https://openalex.org/W4386114505","https://openalex.org/W4387790030","https://openalex.org/W4390872095","https://openalex.org/W4390872514","https://openalex.org/W4390873054","https://openalex.org/W4392909612","https://openalex.org/W4393147902","https://openalex.org/W4393148714","https://openalex.org/W4393153772","https://openalex.org/W4400524387","https://openalex.org/W4400955477","https://openalex.org/W4402727765","https://openalex.org/W4402754029","https://openalex.org/W4402754076","https://openalex.org/W4402754171","https://openalex.org/W4403277526","https://openalex.org/W4403780775","https://openalex.org/W4403791779","https://openalex.org/W4403827189","https://openalex.org/W4403936752","https://openalex.org/W4404722489","https://openalex.org/W4405741739","https://openalex.org/W4407900684","https://openalex.org/W4409366026","https://openalex.org/W4411406308","https://openalex.org/W4412747708","https://openalex.org/W7133213775","https://openalex.org/W7133229591"],"related_works":[],"abstract_inverted_index":{"Facial":[0],"image":[1,36],"acquisition":[2],"under":[3],"constrained":[4],"illumination":[5,126,146],"and":[6,16,22,39,115,145,175,188],"with":[7,78,128,168],"limited-resolution":[8],"imaging":[9],"devices":[10],"often":[11],"results":[12],"in":[13,60,94,112,166],"coupled":[14],"photometric":[15],"geometric":[17],"degradations,":[18,54],"manifesting":[19],"as":[20,43],"low-light":[21,35],"low-resolution":[23],"(LLR)":[24],"conditions.":[25],"Prevailing":[26],"research":[27],"predominantly":[28],"follows":[29],"fragmented":[30],"optimization":[31],"paradigms":[32],"that":[33,73,164],"address":[34],"enhancement":[37,157],"(LLIE)":[38],"face":[40],"super-resolution":[41],"(FSR)":[42],"isolated":[44],"tasks.":[45],"This":[46,105],"approach":[47],"overlooks":[48],"the":[49,53,102,125,129,169,181],"compound":[50],"nature":[51],"of":[52,90,183],"thereby":[55],"significantly":[56],"limiting":[57],"their":[58],"applicability":[59],"practical":[61],"scenarios.":[62],"To":[63],"bridge":[64],"this":[65],"gap,":[66],"we":[67],"present":[68],"DiffLLFace,":[69],"a":[70,151],"unified":[71],"framework":[72],"harnesses":[74],"diffusive":[75],"generative":[76,130],"capabilities":[77],"illumination-aware":[79],"trajectories":[80],"to":[81,117,133,172],"achieve":[82],"robust":[83],"FSR":[84],"from":[85],"LLR":[86],"observations.":[87],"The":[88],"core":[89],"our":[91],"method":[92],"lies":[93],"its":[95],"alternate":[96,170],"illumination-diffusion":[97],"adaptation,":[98],"which":[99,159],"operates":[100],"throughout":[101],"generation":[103],"process.":[104],"mechanism":[106],"not":[107],"only":[108],"captures":[109],"degradation":[110],"patterns":[111],"both":[113],"brightness":[114],"structure":[116],"harmonize":[118],"latent":[119],"representations":[120],"but":[121],"also":[122],"dynamically":[123],"calibrates":[124],"prior":[127],"knowledge":[131],"inherent":[132],"diffusion":[134],"models.":[135],"As":[136],"such,":[137],"DiffLLFace":[138,184],"attains":[139],"precise":[140],"control":[141],"over":[142,185],"conditional":[143],"adaptation":[144,171],"rectification.":[147],"We":[148],"further":[149],"devise":[150],"simple":[152],"yet":[153],"effective":[154],"non-parametric":[155],"Fourier":[156],"strategy,":[158],"provides":[160],"structural":[161],"appearance":[162],"clues":[163],"work":[165],"concert":[167],"ensure":[173],"texture":[174],"color":[176],"consistency.":[177],"Extensive":[178],"experiments":[179],"demonstrate":[180],"superiority":[182],"existing":[186],"methods":[187],"remarkable":[189],"generalizability":[190],"on":[191],"complex":[192],"natural":[193],"scenes.":[194],"Code":[195],"is":[196],"available":[197],"at":[198],"https://github.com/KaishengPang/DiffLLFace.":[199]},"counts_by_year":[],"updated_date":"2026-03-14T06:41:57.775601","created_date":"2026-03-13T00:00:00"}