{"id":"https://openalex.org/W2073122410","doi":"https://doi.org/10.1109/icdsp.2014.6900816","title":"A face hallucination method via HR-LLE coefficients constraint","display_name":"A face hallucination method via HR-LLE coefficients constraint","publication_year":2014,"publication_date":"2014-08-01","ids":{"openalex":"https://openalex.org/W2073122410","doi":"https://doi.org/10.1109/icdsp.2014.6900816","mag":"2073122410"},"language":"en","primary_location":{"id":"doi:10.1109/icdsp.2014.6900816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900816","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital Signal Processing","raw_type":"proceedings-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/A5074544181","display_name":"Zhenli Wei","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":true,"raw_author_name":"Zhenli Wei","raw_affiliation_strings":["Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","Signal & Information Processing Lab Beijing University of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]},{"raw_affiliation_string":"Signal & Information Processing Lab Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100373866","display_name":"Xiaoguang Li","orcid":"https://orcid.org/0000-0002-7307-6263"},"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":"Xiaoguang Li","raw_affiliation_strings":["Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","Signal & Information Processing Lab Beijing University of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]},{"raw_affiliation_string":"Signal & Information Processing Lab Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100448036","display_name":"Zhuo Li","orcid":"https://orcid.org/0000-0002-9937-2669"},"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":"Li Zhuo","raw_affiliation_strings":["Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","Signal & Information Processing Lab Beijing University of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Signal & Information Processing Lab, Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]},{"raw_affiliation_string":"Signal & Information Processing Lab Beijing University of Technology, Beijing, China","institution_ids":["https://openalex.org/I37796252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5074544181"],"corresponding_institution_ids":["https://openalex.org/I37796252"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13508357,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"38","issue":null,"first_page":"136","last_page":"140"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.991599977016449,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9871000051498413,"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/constraint","display_name":"Constraint (computer-aided design)","score":0.7299783229827881},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.7151831388473511},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6929866075515747},{"id":"https://openalex.org/keywords/face-hallucination","display_name":"Face hallucination","score":0.6839008331298828},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.6130132675170898},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5739811062812805},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5592557191848755},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5136844515800476},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.48012495040893555},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.4779384434223175},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4482821524143219},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.4297378659248352},{"id":"https://openalex.org/keywords/superresolution","display_name":"Superresolution","score":0.4141292870044708},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.4131855368614197},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3802410364151001},{"id":"https://openalex.org/keywords/face-detection","display_name":"Face detection","score":0.2700487971305847}],"concepts":[{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.7299783229827881},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.7151831388473511},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6929866075515747},{"id":"https://openalex.org/C54654163","wikidata":"https://www.wikidata.org/wiki/Q5428359","display_name":"Face hallucination","level":5,"score":0.6839008331298828},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.6130132675170898},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5739811062812805},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5592557191848755},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5136844515800476},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.48012495040893555},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.4779384434223175},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4482821524143219},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.4297378659248352},{"id":"https://openalex.org/C141239990","wikidata":"https://www.wikidata.org/wiki/Q957423","display_name":"Superresolution","level":3,"score":0.4141292870044708},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.4131855368614197},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3802410364151001},{"id":"https://openalex.org/C4641261","wikidata":"https://www.wikidata.org/wiki/Q11681085","display_name":"Face detection","level":4,"score":0.2700487971305847},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icdsp.2014.6900816","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900816","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1547917677","https://openalex.org/W1994204330","https://openalex.org/W2033419168","https://openalex.org/W2053186076","https://openalex.org/W2065464618","https://openalex.org/W2096027770","https://openalex.org/W2097074225","https://openalex.org/W2099470017","https://openalex.org/W2112152806","https://openalex.org/W2114380981","https://openalex.org/W2118963448","https://openalex.org/W2122987827","https://openalex.org/W2140257560","https://openalex.org/W4285719527","https://openalex.org/W6666885105","https://openalex.org/W6688434479","https://openalex.org/W7034449035"],"related_works":["https://openalex.org/W325114128","https://openalex.org/W2024640171","https://openalex.org/W4220850864","https://openalex.org/W63491089","https://openalex.org/W4283639758","https://openalex.org/W4246863173","https://openalex.org/W3004000015","https://openalex.org/W2108358695","https://openalex.org/W4288598071","https://openalex.org/W2129261353"],"abstract_inverted_index":{"In":[0],"most":[1],"of":[2,26,32,108,117,156],"the":[3,41,49,58,64,67,72,79,106,115,118,135,144,151,158],"existing":[4],"LLE":[5],"(Local":[6],"Linear":[7],"Embedding)":[8],"based":[9,132],"face":[10,17,56,84,88,130],"hallucination":[11,131],"methods,":[12],"a":[13,23,98,125],"LR":[14,33,53],"(Low":[15],"Resolution)":[16,44],"image":[18,34],"is":[19,91,102],"usually":[20],"represented":[21],"as":[22,63,66],"linear":[24],"combination":[25,30],"training":[27],"samples.":[28],"The":[29],"coefficients":[31,60,100,107],"are":[35,61,76],"then":[36],"directly":[37],"used":[38],"to":[39,48,54,104,128],"estimate":[40],"HR":[42,55,74,109],"(High":[43],"image.":[45,110],"However,":[46],"due":[47],"one-to-many":[50],"mapping":[51],"from":[52,78],"space,":[57],"LR-LLE":[59],"not":[62],"same":[65],"corresponding":[68],"HR-LLE":[69,99,120],"coefficients.":[70,121],"Therefore,":[71],"estimated":[73,119],"faces":[75],"different":[77],"ground":[80],"truth.":[81],"A":[82],"novel":[83,126],"super-resolution(SR,":[85],"also":[86],"named":[87],"hallucination)":[89],"method":[90,127,146],"proposed":[92,145],"in":[93,96,154],"this":[94],"paper,":[95],"which":[97],"constraint":[101],"introduced":[103],"predict":[105],"It":[111],"can":[112],"effectively":[113],"reduce":[114],"error":[116],"Then,":[122],"we":[123],"develop":[124],"perform":[129],"on":[133],"both":[134,157],"global":[136],"and":[137,160],"local":[138],"features.":[139],"Experimental":[140],"results":[141],"show":[142],"that":[143],"provides":[147],"improved":[148],"performance":[149],"over":[150],"compared":[152],"methods":[153],"terms":[155],"subjective":[159],"objective":[161],"quality.":[162]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}