{"id":"https://openalex.org/W2941529183","doi":"https://doi.org/10.1109/access.2019.2913008","title":"Super-Resolution of Face Images Using Weighted Elastic Net Constrained Sparse Representation","display_name":"Super-Resolution of Face Images Using Weighted Elastic Net Constrained Sparse Representation","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2941529183","doi":"https://doi.org/10.1109/access.2019.2913008","mag":"2941529183"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2913008","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2913008","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08698238.pdf","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://ieeexplore.ieee.org/ielx7/6287639/8600701/08698238.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101800578","display_name":"Xiaobing Pei","orcid":"https://orcid.org/0000-0002-2978-0659"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaobing Pei","raw_affiliation_strings":["School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-2978-0659","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035908164","display_name":"Tao Dong","orcid":"https://orcid.org/0000-0003-0555-2720"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Dong","raw_affiliation_strings":["School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019272262","display_name":"Yue Guan","orcid":"https://orcid.org/0000-0002-3256-3663"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Guan","raw_affiliation_strings":["School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-3256-3663","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I47720641"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.2978,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.58578535,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"55180","last_page":"55190"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing 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/T11105","display_name":"Advanced Image Processing 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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987000226974487,"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":0.9970999956130981,"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/elastic-net-regularization","display_name":"Elastic net regularization","score":0.7856940627098083},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.7846620082855225},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7309712171554565},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.727312445640564},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.6853086948394775},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5855342149734497},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.567563533782959},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5430483222007751},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5231358408927917},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.5228155851364136},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4775620102882385},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.47257840633392334},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.44173839688301086},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.415152370929718}],"concepts":[{"id":"https://openalex.org/C203868755","wikidata":"https://www.wikidata.org/wiki/Q5353562","display_name":"Elastic net regularization","level":3,"score":0.7856940627098083},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.7846620082855225},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7309712171554565},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.727312445640564},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.6853086948394775},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5855342149734497},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.567563533782959},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5430483222007751},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5231358408927917},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.5228155851364136},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4775620102882385},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.47257840633392334},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.44173839688301086},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.415152370929718},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2019.2913008","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2913008","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08698238.pdf","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:0df96a1e093f4429b6a6f60e75db89b8","is_oa":true,"landing_page_url":"https://doaj.org/article/0df96a1e093f4429b6a6f60e75db89b8","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 7, Pp 55180-55190 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2913008","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2913008","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08698238.pdf","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":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2941529183.pdf","grobid_xml":"https://content.openalex.org/works/W2941529183.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W784113155","https://openalex.org/W1972002222","https://openalex.org/W1976709621","https://openalex.org/W1994204330","https://openalex.org/W1997453445","https://openalex.org/W2003749430","https://openalex.org/W2015497428","https://openalex.org/W2027325144","https://openalex.org/W2044011870","https://openalex.org/W2044655004","https://openalex.org/W2050834445","https://openalex.org/W2058523468","https://openalex.org/W2068548513","https://openalex.org/W2087380704","https://openalex.org/W2088254198","https://openalex.org/W2096027770","https://openalex.org/W2103871101","https://openalex.org/W2115548755","https://openalex.org/W2118963448","https://openalex.org/W2119832338","https://openalex.org/W2122825543","https://openalex.org/W2131724888","https://openalex.org/W2133665775","https://openalex.org/W2134545995","https://openalex.org/W2140257560","https://openalex.org/W2140347219","https://openalex.org/W2141631520","https://openalex.org/W2146428261","https://openalex.org/W2146515445","https://openalex.org/W2146640671","https://openalex.org/W2149760002","https://openalex.org/W2149863771","https://openalex.org/W2154199925","https://openalex.org/W2157190232","https://openalex.org/W2158046142","https://openalex.org/W2160021903","https://openalex.org/W2169941235","https://openalex.org/W2171677016","https://openalex.org/W2217896605","https://openalex.org/W2295477204","https://openalex.org/W2518224564","https://openalex.org/W2520742745","https://openalex.org/W2751011928","https://openalex.org/W2792302760","https://openalex.org/W2912551047","https://openalex.org/W2951002577","https://openalex.org/W2963403579","https://openalex.org/W4292363360","https://openalex.org/W6680208309","https://openalex.org/W6681067555","https://openalex.org/W6681246137"],"related_works":["https://openalex.org/W4213314600","https://openalex.org/W3211319599","https://openalex.org/W2122825543","https://openalex.org/W2110152839","https://openalex.org/W2104032996","https://openalex.org/W1973963881","https://openalex.org/W1580457994","https://openalex.org/W2379945344","https://openalex.org/W2912726270","https://openalex.org/W2941529183"],"abstract_inverted_index":{"High-resolution":[0],"(HR)":[1],"face":[2,15,52,137],"images":[3],"are":[4,18],"usually":[5],"preferred":[6],"in":[7,21,81,106,145],"many":[8],"computer":[9],"vision":[10],"tasks.":[11],"However,":[12],"low-resolution":[13],"(LR)":[14],"images,":[16],"which":[17],"often":[19],"obtained":[20],"real":[22],"scenarios,":[23],"can":[24],"be":[25],"converted":[26],"to":[27,65,77,114,150],"a":[28,90,141],"high":[29,67],"resolution":[30,49],"with":[31],"the":[32,40,66,82,107,116],"super-resolution":[33],"techniques.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38,109],"propose":[39],"weighted":[41,60],"elastic":[42,61,87],"net":[43,62,88],"constrained":[44],"sparse":[45,83],"representation":[46,84],"(WENSR)":[47],"super":[48],"method":[50,55,123],"for":[51,97],"images.":[53],"The":[54,86,100,119],"considers":[56],"image":[57,112,138],"gradient":[58,101,113],"and":[59,93,128,135,154],"penalties.":[63],"Due":[64],"similarity":[68,156],"between":[69],"human":[70],"faces,":[71],"it":[72],"is":[73,94,102],"not":[74],"very":[75,103],"suitable":[76,96],"only":[78],"use":[79,111],"\u21131-norm":[80],"model.":[85],"has":[89],"grouping":[91],"effect":[92],"more":[95],"real-world":[98,129],"data.":[99],"important":[104],"information":[105],"image,":[108],"also":[110],"enhance":[115],"final":[117],"output.":[118],"tests":[120],"of":[121,147],"our":[122],"on":[124],"both":[125],"synthetic":[126],"data":[127],"data,":[130],"such":[131],"as":[132],"FEI,":[133],"CAS-PEAL-R1,":[134],"CMU+MIT":[136],"dataset":[139],"suggest":[140],"competitive":[142],"performance":[143],"gain":[144],"terms":[146],"peak":[148],"signal":[149],"noise":[151],"ratio":[152],"(PSNR)":[153],"structural":[155],"(SSIM).":[157]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}