{"id":"https://openalex.org/W4285610242","doi":"https://doi.org/10.1145/3529446.3529450","title":"Group Sparse-based Discriminative Feature Learning for Face Recognition","display_name":"Group Sparse-based Discriminative Feature Learning for Face Recognition","publication_year":2022,"publication_date":"2022-03-25","ids":{"openalex":"https://openalex.org/W4285610242","doi":"https://doi.org/10.1145/3529446.3529450"},"language":"en","primary_location":{"id":"doi:10.1145/3529446.3529450","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3529446.3529450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 4th International Conference on Image Processing and Machine Vision (IPMV)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5033158873","display_name":"Xiaoqun Qiu","orcid":null},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"XIAOQUN QIU","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, China and School of Artificial Intelligence, Zhuhai City Polytechnic, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, China and School of Artificial Intelligence, Zhuhai City Polytechnic, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029793846","display_name":"Xiaoyu Du","orcid":"https://orcid.org/0000-0002-2359-4388"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"XIAOYU DU","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043118321","display_name":"LIYAN DENG","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"LIYAN DENG","raw_affiliation_strings":["School of Artificial Intelligence, Zhuhai City Polytechnic, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Zhuhai City Polytechnic, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100457757","display_name":"Zhen Chen","orcid":"https://orcid.org/0000-0003-2458-2984"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"ZHEN CHEN","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, China","institution_ids":["https://openalex.org/I90610280"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07086218,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"22","last_page":"26"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9993000030517578,"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/T10057","display_name":"Face and Expression Recognition","score":0.9993000030517578,"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":0.9980999827384949,"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/T10828","display_name":"Biometric Identification and Security","score":0.9929999709129333,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/discriminative-model","display_name":"Discriminative model","score":0.8310040235519409},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7170453071594238},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7063817381858826},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6790463328361511},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.5967615842819214},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5776358842849731},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5399037003517151},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.4798014461994171},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.46851229667663574},{"id":"https://openalex.org/keywords/discriminant","display_name":"Discriminant","score":0.4229591488838196},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.421636700630188},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.4187774658203125},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.41366127133369446},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3204037547111511},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1174217164516449}],"concepts":[{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.8310040235519409},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7170453071594238},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7063817381858826},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6790463328361511},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.5967615842819214},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5776358842849731},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5399037003517151},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.4798014461994171},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.46851229667663574},{"id":"https://openalex.org/C78397625","wikidata":"https://www.wikidata.org/wiki/Q192487","display_name":"Discriminant","level":2,"score":0.4229591488838196},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.421636700630188},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4187774658203125},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.41366127133369446},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3204037547111511},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1174217164516449},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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:10.1145/3529446.3529450","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3529446.3529450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 4th International Conference on Image Processing and Machine Vision (IPMV)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7300000190734863,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1546200464","https://openalex.org/W2120100419","https://openalex.org/W2315814222","https://openalex.org/W2441198140","https://openalex.org/W2551249768","https://openalex.org/W2596264631","https://openalex.org/W2743864886","https://openalex.org/W2754803257","https://openalex.org/W2786437070","https://openalex.org/W2787613668","https://openalex.org/W2790966157","https://openalex.org/W2963809521","https://openalex.org/W2974200433","https://openalex.org/W2975535607","https://openalex.org/W2982593110","https://openalex.org/W2995228464","https://openalex.org/W2998039742","https://openalex.org/W3130486723","https://openalex.org/W3152276426","https://openalex.org/W4220705325"],"related_works":["https://openalex.org/W2965546495","https://openalex.org/W4389116644","https://openalex.org/W2153315159","https://openalex.org/W3103844505","https://openalex.org/W259157601","https://openalex.org/W4205463238","https://openalex.org/W2761785940","https://openalex.org/W1482209366","https://openalex.org/W2110523656","https://openalex.org/W2521627374"],"abstract_inverted_index":{"The":[0],"rapid":[1],"development":[2],"of":[3,23,130],"facial":[4],"recognition":[5,38],"technology":[6],"has":[7],"brought":[8],"great":[9],"convenience":[10],"to":[11,56,95,115],"daily":[12],"life,":[13],"but":[14],"also":[15],"serious":[16],"security":[17],"risks,":[18],"especially":[19],"in":[20],"the":[21,59,68,71,81,90,97,122,128,131,142],"case":[22],"occlusion":[24,137],"and":[25,64,120,146],"loud":[26],"noise.":[27],"Faced":[28],"with":[29],"this":[30,32],"limitation,":[31],"letter":[33],"proposes":[34],"a":[35,41,51],"fast":[36],"face":[37],"framework":[39],"called":[40],"Group":[42],"Sparse-based":[43],"Discriminative":[44],"Feature":[45],"Learning":[46],"(GSDFL-Net).":[47],"Specifically,":[48],"GSDFL-Net":[49,77],"uses":[50],"novel":[52],"unified":[53,106],"objective":[54,107],"function":[55],"simultaneously":[57,102],"learn":[58],"discriminant":[60],"features,":[61],"sparse":[62],"code":[63],"classification":[65,82],"errors.":[66,83],"In":[67],"proposed":[69,91,132],"framework,":[70],"feature":[72],"projection":[73],"is":[74,101],"incorporated":[75],"into":[76,89],"model,":[78],"which":[79,100],"reduces":[80],"Then,":[84],"we":[85,110],"integrate":[86],"denoising":[87],"FFDNet":[88],"GS":[92],"FL-Net":[93],"model":[94],"penalize":[96],"noisy":[98],"pixels,":[99],"learned":[103],"by":[104],"our":[105],"function.":[108],"Besides,":[109],"derive":[111],"an":[112],"optimization":[113],"mechanism":[114],"encourage":[116],"obtained":[117],"learning":[118],"parameters":[119],"decrease":[121],"information":[123],"loss.":[124],"Extensive":[125],"experiments":[126],"demonstrate":[127],"effectiveness":[129],"scheme":[133],"under":[134],"different":[135],"including":[136],"random":[138],"noise":[139],"conditions":[140],"on":[141],"famous":[143],"Aleix":[144],"Martinez":[145],"ExYale":[147],"B":[148],"database.":[149]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
