{"id":"https://openalex.org/W2742141965","doi":"https://doi.org/10.3390/rs9080790","title":"Local Geometric Structure Feature for Dimensionality Reduction of Hyperspectral Imagery","display_name":"Local Geometric Structure Feature for Dimensionality Reduction of Hyperspectral Imagery","publication_year":2017,"publication_date":"2017-08-01","ids":{"openalex":"https://openalex.org/W2742141965","doi":"https://doi.org/10.3390/rs9080790","mag":"2742141965"},"language":"en","primary_location":{"id":"doi:10.3390/rs9080790","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9080790","pdf_url":"https://www.mdpi.com/2072-4292/9/8/790/pdf?version=1501580282","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/9/8/790/pdf?version=1501580282","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064046752","display_name":"Fulin Luo","orcid":"https://orcid.org/0000-0002-7696-0775"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]},{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fulin Luo","raw_affiliation_strings":["Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China","State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China"],"raw_orcid":"https://orcid.org/0000-0002-7696-0775","affiliations":[{"raw_affiliation_string":"Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747","https://openalex.org/I4210118728"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101829389","display_name":"Hong Huang","orcid":"https://orcid.org/0000-0002-7377-3077"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hong Huang","raw_affiliation_strings":["Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China"],"raw_orcid":"https://orcid.org/0000-0002-7377-3077","affiliations":[{"raw_affiliation_string":"Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033398332","display_name":"Yule Duan","orcid":"https://orcid.org/0000-0002-2505-8730"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yule Duan","raw_affiliation_strings":["Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107883975","display_name":"Jiamin Liu","orcid":"https://orcid.org/0009-0007-9802-5562"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiamin Liu","raw_affiliation_strings":["Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing 400044, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103209508","display_name":"Yinghua Liao","orcid":"https://orcid.org/0000-0003-1821-3699"},"institutions":[{"id":"https://openalex.org/I64852412","display_name":"Sichuan University of Science and Engineering","ror":"https://ror.org/053fzma23","country_code":"CN","type":"education","lineage":["https://openalex.org/I64852412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinghua Liao","raw_affiliation_strings":["Department of Mechanical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China","institution_ids":["https://openalex.org/I64852412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101829389"],"corresponding_institution_ids":["https://openalex.org/I158842170"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2784},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2784},"fwci":17.7803,"has_fulltext":true,"cited_by_count":151,"citation_normalized_percentile":{"value":0.99257851,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"9","issue":"8","first_page":"790","last_page":"790"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"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/T13890","display_name":"Remote Sensing and Land Use","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9740999937057495,"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/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.7222418189048767},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6780913472175598},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.648813009262085},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6324242949485779},{"id":"https://openalex.org/keywords/nonlinear-dimensionality-reduction","display_name":"Nonlinear dimensionality reduction","score":0.530575692653656},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5039593577384949},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4375683665275574},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4219823479652405},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.10846981406211853}],"concepts":[{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.7222418189048767},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6780913472175598},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.648813009262085},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6324242949485779},{"id":"https://openalex.org/C151876577","wikidata":"https://www.wikidata.org/wiki/Q7049464","display_name":"Nonlinear dimensionality reduction","level":3,"score":0.530575692653656},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5039593577384949},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4375683665275574},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4219823479652405},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.10846981406211853}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs9080790","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9080790","pdf_url":"https://www.mdpi.com/2072-4292/9/8/790/pdf?version=1501580282","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:7309f32707cc4a91ae9caf97134d6ae2","is_oa":true,"landing_page_url":"https://doaj.org/article/7309f32707cc4a91ae9caf97134d6ae2","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":"Remote Sensing, Vol 9, Iss 8, p 790 (2017)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/9/8/790/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs9080790","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 9; Issue 8; Pages: 790","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs9080790","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9080790","pdf_url":"https://www.mdpi.com/2072-4292/9/8/790/pdf?version=1501580282","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7200000286102295}],"awards":[{"id":"https://openalex.org/G102790734","display_name":null,"funder_award_id":"41371338","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320309036","display_name":"Purdue University","ror":"https://ror.org/02dqehb95"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321135","display_name":"Chongqing University","ror":"https://ror.org/023rhb549"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2742141965.pdf","grobid_xml":"https://content.openalex.org/works/W2742141965.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1964325474","https://openalex.org/W1969790106","https://openalex.org/W1977355761","https://openalex.org/W1985133440","https://openalex.org/W1990075722","https://openalex.org/W2001141328","https://openalex.org/W2012508386","https://openalex.org/W2019188302","https://openalex.org/W2045786596","https://openalex.org/W2048281487","https://openalex.org/W2053186076","https://openalex.org/W2063259753","https://openalex.org/W2072187267","https://openalex.org/W2073786624","https://openalex.org/W2090424610","https://openalex.org/W2093496208","https://openalex.org/W2097308346","https://openalex.org/W2103250033","https://openalex.org/W2105055468","https://openalex.org/W2109531142","https://openalex.org/W2111282613","https://openalex.org/W2118945875","https://openalex.org/W2135758523","https://openalex.org/W2163584563","https://openalex.org/W2164330327","https://openalex.org/W2190646811","https://openalex.org/W2244992359","https://openalex.org/W2257669061","https://openalex.org/W2313771561","https://openalex.org/W2314433345","https://openalex.org/W2320558466","https://openalex.org/W2324728875","https://openalex.org/W2418263100","https://openalex.org/W2475283175","https://openalex.org/W2597644092","https://openalex.org/W3014771378","https://openalex.org/W3120421331","https://openalex.org/W3148981562","https://openalex.org/W6647795560","https://openalex.org/W6675955514","https://openalex.org/W6676189307"],"related_works":["https://openalex.org/W2375574759","https://openalex.org/W2383239174","https://openalex.org/W3088634662","https://openalex.org/W2292979300","https://openalex.org/W117517268","https://openalex.org/W3162910294","https://openalex.org/W2539700568","https://openalex.org/W2931531042","https://openalex.org/W1489327846","https://openalex.org/W4287375746"],"abstract_inverted_index":{"Marginal":[0],"Fisher":[1,70],"analysis":[2,71],"(MFA)":[3],"exploits":[4],"the":[5,10,15,25,32,43,79,103,112,124,128,135,141,151,161,166],"margin":[6],"criterion":[7],"to":[8,23,86,101,122],"compact":[9],"intraclass":[11,80,104,117],"data":[12,146,157],"and":[13,18,38,95,105,115,127,139,155],"separate":[14],"interclass":[16,106],"data,":[17],"it":[19,39],"is":[20],"very":[21],"useful":[22],"analyze":[24],"high-dimensional":[26],"data.":[27,110],"However,":[28],"MFA":[29],"just":[30],"considers":[31],"structure":[33,45,69,138],"relationships":[34],"of":[35,46,83,108,144],"neighbor":[36,81,113],"points,":[37],"cannot":[40],"effectively":[41,133],"represent":[42],"intrinsic":[44,93,136],"hyperspectral":[47,109],"imagery":[48],"(HSI)":[49],"that":[50,160],"possesses":[51],"many":[52],"homogenous":[53],"areas.":[54],"In":[55],"this":[56],"paper,":[57],"we":[58],"propose":[59],"a":[60,96],"new":[61],"dimensionality":[62],"reduction":[63],"(DR)":[64],"method,":[65],"termed":[66],"local":[67],"geometric":[68],"(LGSFA),":[72],"for":[73,147],"HSI":[74,145],"classification.":[75,148],"Firstly,":[76],"LGSFA":[77,131,163],"uses":[78],"points":[82,114,119],"each":[84],"point":[85],"compute":[87],"its":[88],"reconstruction":[89,118],"point.":[90],"Then,":[91],"an":[92],"graph":[94,98],"penalty":[97],"are":[99,120],"constructed":[100],"reveal":[102,134],"properties":[107],"Finally,":[111],"corresponding":[116],"used":[121],"enhance":[123],"intraclass-manifold":[125],"compactness":[126],"interclass-manifold":[129],"separability.":[130],"can":[132],"manifold":[137],"obtain":[140],"discriminating":[142],"features":[143],"Experiments":[149],"on":[150],"Salinas,":[152],"Indian":[153],"Pines,":[154],"Urban":[156],"sets":[158],"show":[159],"proposed":[162],"algorithm":[164],"achieves":[165],"best":[167],"classification":[168],"results":[169],"than":[170],"other":[171],"state-of-the-art":[172],"methods.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":30},{"year":2020,"cited_by_count":44},{"year":2019,"cited_by_count":32},{"year":2018,"cited_by_count":16},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2017-08-08T00:00:00"}
