{"id":"https://openalex.org/W2098870882","doi":"https://doi.org/10.1109/lsp.2012.2197611","title":"Discriminative Sparsity Preserving Projections for Semi-Supervised Dimensionality Reduction","display_name":"Discriminative Sparsity Preserving Projections for Semi-Supervised Dimensionality Reduction","publication_year":2012,"publication_date":"2012-05-10","ids":{"openalex":"https://openalex.org/W2098870882","doi":"https://doi.org/10.1109/lsp.2012.2197611","mag":"2098870882"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2012.2197611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2197611","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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/A5084778404","display_name":"Nannan Gu","orcid":"https://orcid.org/0000-0002-6938-5338"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nannan Gu","raw_affiliation_strings":["State Key Lab of Management Control for Complex Systems, Chinese Academy of Sciences, Beijing, China","State Key Lab. of Manage. Control for Complex Syst., Inst. of Autom., Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Lab of Management Control for Complex Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"State Key Lab. of Manage. Control for Complex Syst., Inst. of Autom., Beijing, China","institution_ids":["https://openalex.org/I4210094879"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007888592","display_name":"Mingyu Fan","orcid":"https://orcid.org/0000-0002-0492-4708"},"institutions":[{"id":"https://openalex.org/I146620803","display_name":"Wenzhou University","ror":"https://ror.org/020hxh324","country_code":"CN","type":"education","lineage":["https://openalex.org/I146620803"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingyu Fan","raw_affiliation_strings":["College of Mathematics & Information Science, Wenzhou University, Wenzhou, China","Coll. of Math. & Inf. Sci., Wenzhou Univ., Wenzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Mathematics & Information Science, Wenzhou University, Wenzhou, China","institution_ids":["https://openalex.org/I146620803"]},{"raw_affiliation_string":"Coll. of Math. & Inf. Sci., Wenzhou Univ., Wenzhou, China","institution_ids":["https://openalex.org/I146620803"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110079160","display_name":"Hong Qiao","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210094879","display_name":"Shandong Institute of Automation","ror":"https://ror.org/00qdtba35","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210094879","https://openalex.org/I4210142748"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Qiao","raw_affiliation_strings":["State Key Lab of Management Control for Complex Systems, Chinese Academy of Sciences, Beijing, China","State Key Lab. of Manage. Control for Complex Syst., Inst. of Autom., Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Lab of Management Control for Complex Systems, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"State Key Lab. of Manage. Control for Complex Syst., Inst. of Autom., Beijing, China","institution_ids":["https://openalex.org/I4210094879"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100335217","display_name":"Bo Zhang","orcid":"https://orcid.org/0000-0001-9318-4395"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Zhang","raw_affiliation_strings":["LSEC and Institute of Applied Mathematics, AMSS, Chinese Academy of Sciences, Beijing, China","LSEC, Inst. of Appl. Math., Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LSEC and Institute of Applied Mathematics, AMSS, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"LSEC, Inst. of Appl. Math., Beijing, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.05,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.77744729,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"19","issue":"7","first_page":"391","last_page":"394"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10057","display_name":"Face and Expression Recognition","score":0.9991999864578247,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9958999752998352,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7029625177383423},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.6637353301048279},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5328800082206726},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5293415784835815},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.502129077911377},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.49170976877212524},{"id":"https://openalex.org/keywords/data-point","display_name":"Data point","score":0.48378464579582214},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.4746204912662506},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38310202956199646},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2886785864830017}],"concepts":[{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7029625177383423},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.6637353301048279},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5328800082206726},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5293415784835815},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.502129077911377},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.49170976877212524},{"id":"https://openalex.org/C21080849","wikidata":"https://www.wikidata.org/wiki/Q13611879","display_name":"Data point","level":2,"score":0.48378464579582214},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4746204912662506},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38310202956199646},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2886785864830017},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2012.2197611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2197611","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.7799999713897705,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1904464160","https://openalex.org/W2006793117","https://openalex.org/W2080322700","https://openalex.org/W2100659887","https://openalex.org/W2104290444","https://openalex.org/W2110662122","https://openalex.org/W2123111020","https://openalex.org/W2125874614","https://openalex.org/W2129812935","https://openalex.org/W2154872931","https://openalex.org/W2997701990","https://openalex.org/W6675747103","https://openalex.org/W6682644385"],"related_works":["https://openalex.org/W1652783584","https://openalex.org/W2729514902","https://openalex.org/W2024160000","https://openalex.org/W1990254706","https://openalex.org/W2773500201","https://openalex.org/W2061273563","https://openalex.org/W2285052147","https://openalex.org/W2586441539","https://openalex.org/W2903204734","https://openalex.org/W1519997518"],"abstract_inverted_index":{"In":[0,16],"this":[1],"letter,":[2],"we":[3],"propose":[4],"a":[5,35,114],"semi-supervised":[6],"dimensionality":[7],"reduction":[8],"method":[9,95,112],"named":[10],"Discriminative":[11],"Sparsity":[12],"Preserving":[13],"Projection":[14],"(DSPP).":[15],"order":[17],"to":[18,41],"get":[19],"the":[20,31,43,49,53,60,70,74,85,93,103,107,110,122,130,133],"feature":[21,100],"mapping":[22,101],"<formula":[23,63,77],"formulatype=\"inline\"":[24,64,78],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[25,65,79],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex":[26,66],"Notation=\"TeX\">$f$</tex>":[27,67],"</formula>":[28,68],"which":[29,118],"projects":[30],"high-dimensional":[32],"data":[33,50],"into":[34],"low-dimensional":[36,45],"intrinsic":[37],"space,":[38],"DSPP":[39,94,111],"attempts":[40],"maintain":[42],"prior":[44],"representation":[46,87,124],"constructed":[47],"by":[48],"points":[51],"and":[52,73],"known":[54],"class":[55],"labels":[56],"and,":[57],"meanwhile,":[58],"considers":[59],"complexity":[61],"of":[62,76,88,125,132],"in":[69,83],"ambient":[71],"space":[72],"smoothness":[75],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[80],"<tex":[81],"Notation=\"TeX\">$f$</tex></formula>":[82],"preserving":[84],"sparse":[86,123],"data.":[89,126],"On":[90,106],"one":[91],"hand,":[92,109],"obtains":[96],"an":[97],"explicit":[98],"nonlinear":[99],"for":[102],"out-of-sample":[104],"extrapolation.":[105],"other":[108],"has":[113],"high":[115],"discriminative":[116],"ability":[117],"is":[119],"inherited":[120],"from":[121],"Experiment":[127],"results":[128],"show":[129],"effectiveness":[131],"proposed":[134],"method.":[135]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
