{"id":"https://openalex.org/W2078393820","doi":"https://doi.org/10.1007/s10044-015-0470-6","title":"Image preprocessing method based on local approximation gradient with application to face recognition","display_name":"Image preprocessing method based on local approximation gradient with application to face recognition","publication_year":2015,"publication_date":"2015-03-28","ids":{"openalex":"https://openalex.org/W2078393820","doi":"https://doi.org/10.1007/s10044-015-0470-6","mag":"2078393820"},"language":"en","primary_location":{"id":"doi:10.1007/s10044-015-0470-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10044-015-0470-6","pdf_url":null,"source":{"id":"https://openalex.org/S45497385","display_name":"Pattern Analysis and Applications","issn_l":"1433-7541","issn":["1433-7541","1433-755X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Pattern Analysis and Applications","raw_type":"journal-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/A5088024843","display_name":"Zhaokui Li","orcid":"https://orcid.org/0000-0002-5331-7664"},"institutions":[{"id":"https://openalex.org/I125904092","display_name":"Shenyang Aerospace University","ror":"https://ror.org/02423gm04","country_code":"CN","type":"education","lineage":["https://openalex.org/I125904092"]},{"id":"https://openalex.org/I118803816","display_name":"Liaoning University","ror":"https://ror.org/03xpwj629","country_code":"CN","type":"education","lineage":["https://openalex.org/I118803816"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhaokui Li","raw_affiliation_strings":["School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","institution_ids":["https://openalex.org/I118803816"]},{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#","institution_ids":["https://openalex.org/I125904092"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100322699","display_name":"Yan Wang","orcid":"https://orcid.org/0000-0002-4751-0708"},"institutions":[{"id":"https://openalex.org/I125904092","display_name":"Shenyang Aerospace University","ror":"https://ror.org/02423gm04","country_code":"CN","type":"education","lineage":["https://openalex.org/I125904092"]},{"id":"https://openalex.org/I118803816","display_name":"Liaoning University","ror":"https://ror.org/03xpwj629","country_code":"CN","type":"education","lineage":["https://openalex.org/I118803816"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Wang","raw_affiliation_strings":["School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","institution_ids":["https://openalex.org/I118803816"]},{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#","institution_ids":["https://openalex.org/I125904092"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100661116","display_name":"Chunlong Fan","orcid":"https://orcid.org/0000-0001-8127-6292"},"institutions":[{"id":"https://openalex.org/I118803816","display_name":"Liaoning University","ror":"https://ror.org/03xpwj629","country_code":"CN","type":"education","lineage":["https://openalex.org/I118803816"]},{"id":"https://openalex.org/I125904092","display_name":"Shenyang Aerospace University","ror":"https://ror.org/02423gm04","country_code":"CN","type":"education","lineage":["https://openalex.org/I125904092"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunlong Fan","raw_affiliation_strings":["School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Daoyi South 37th Street, Daoyi economic development zone, Shenyang, 110136, Liaoning, China","institution_ids":["https://openalex.org/I118803816"]},{"raw_affiliation_string":"School of Computer, Shenyang Aerospace University, Shenyang, China 110136#TAB#","institution_ids":["https://openalex.org/I125904092"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044062811","display_name":"Jinrong He","orcid":"https://orcid.org/0000-0003-4040-4766"},"institutions":[{"id":"https://openalex.org/I89652312","display_name":"Northwest A&F University","ror":"https://ror.org/0051rme32","country_code":"CN","type":"education","lineage":["https://openalex.org/I89652312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinrong He","raw_affiliation_strings":["College of Information Engineering, Northwest A&F University, Yangling, 712100, Shanxi, China","College of Information Engineering, Northwest A&F University, Yangling, China 712100#TAB#"],"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Northwest A&F University, Yangling, 712100, Shanxi, China","institution_ids":["https://openalex.org/I89652312"]},{"raw_affiliation_string":"College of Information Engineering, Northwest A&F University, Yangling, China 712100#TAB#","institution_ids":["https://openalex.org/I89652312"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5088024843"],"corresponding_institution_ids":["https://openalex.org/I118803816","https://openalex.org/I125904092"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.3738,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.6859114,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"20","issue":"1","first_page":"101","last_page":"112"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9994000196456909,"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":0.9994000196456909,"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/T13579","display_name":"Image and Video Stabilization","score":0.9973999857902527,"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":0.9965999722480774,"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/artificial-intelligence","display_name":"Artificial intelligence","score":0.7372817397117615},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.7144336700439453},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6289350390434265},{"id":"https://openalex.org/keywords/image-gradient","display_name":"Image gradient","score":0.5828196406364441},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5791531205177307},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.5512422919273376},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.529596745967865},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.5260816812515259},{"id":"https://openalex.org/keywords/lag","display_name":"Lag","score":0.5205360651016235},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.488546222448349},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.48495176434516907},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.48493102192878723},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4683857262134552},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.46799156069755554},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.4527474045753479},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4159468412399292},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.37445199489593506},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.32964205741882324}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7372817397117615},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.7144336700439453},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6289350390434265},{"id":"https://openalex.org/C182037307","wikidata":"https://www.wikidata.org/wiki/Q17039097","display_name":"Image gradient","level":5,"score":0.5828196406364441},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5791531205177307},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.5512422919273376},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.529596745967865},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.5260816812515259},{"id":"https://openalex.org/C75778745","wikidata":"https://www.wikidata.org/wiki/Q342626","display_name":"Lag","level":2,"score":0.5205360651016235},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.488546222448349},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.48495176434516907},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.48493102192878723},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4683857262134552},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.46799156069755554},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.4527474045753479},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4159468412399292},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.37445199489593506},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.32964205741882324},{"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/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10044-015-0470-6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10044-015-0470-6","pdf_url":null,"source":{"id":"https://openalex.org/S45497385","display_name":"Pattern Analysis and Applications","issn_l":"1433-7541","issn":["1433-7541","1433-755X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Pattern Analysis and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.5899999737739563}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1545641654","https://openalex.org/W1581809140","https://openalex.org/W1591385104","https://openalex.org/W1989702938","https://openalex.org/W2006793117","https://openalex.org/W2032826816","https://openalex.org/W2038964396","https://openalex.org/W2041657594","https://openalex.org/W2049538695","https://openalex.org/W2061272711","https://openalex.org/W2085400714","https://openalex.org/W2099629511","https://openalex.org/W2103056131","https://openalex.org/W2117095005","https://openalex.org/W2117553576","https://openalex.org/W2118328928","https://openalex.org/W2120865781","https://openalex.org/W2121647436","https://openalex.org/W2122034878","https://openalex.org/W2123941108","https://openalex.org/W2125874614","https://openalex.org/W2129812935","https://openalex.org/W2130982917","https://openalex.org/W2131081720","https://openalex.org/W2138451337","https://openalex.org/W2142621404","https://openalex.org/W2144719328","https://openalex.org/W2150721269","https://openalex.org/W2157069239","https://openalex.org/W2159358849","https://openalex.org/W2163808566","https://openalex.org/W2164071167","https://openalex.org/W2165731615","https://openalex.org/W2171937595","https://openalex.org/W2994340921"],"related_works":["https://openalex.org/W2739273756","https://openalex.org/W2387510934","https://openalex.org/W4312567938","https://openalex.org/W4283806690","https://openalex.org/W4281937456","https://openalex.org/W2545065926","https://openalex.org/W2356242818","https://openalex.org/W2348584852","https://openalex.org/W2545393398","https://openalex.org/W3169126738"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
