{"id":"https://openalex.org/W2004104348","doi":"https://doi.org/10.1109/lgrs.2011.2172185","title":"Linear Versus Nonlinear PCA for the Classification of Hyperspectral Data Based on the Extended Morphological Profiles","display_name":"Linear Versus Nonlinear PCA for the Classification of Hyperspectral Data Based on the Extended Morphological Profiles","publication_year":2011,"publication_date":"2011-11-18","ids":{"openalex":"https://openalex.org/W2004104348","doi":"https://doi.org/10.1109/lgrs.2011.2172185","mag":"2004104348"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2011.2172185","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2172185","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hal.science/hal-00797814","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078994593","display_name":"Giorgio Licciardi","orcid":"https://orcid.org/0000-0003-4259-919X"},"institutions":[{"id":"https://openalex.org/I106785703","display_name":"Institut polytechnique de Grenoble","ror":"https://ror.org/05sbt2524","country_code":"FR","type":"education","lineage":["https://openalex.org/I106785703","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I4210124956","display_name":"GIPSA-Lab","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Giorgio Licciardi","raw_affiliation_strings":["Grenoble Institute of Technology, GIPSA Laboratory, Grenoble, France","[GIPSA-lab, Grenoble Institute of Technology, Grenoble, France]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Grenoble Institute of Technology, GIPSA Laboratory, Grenoble, France","institution_ids":["https://openalex.org/I106785703","https://openalex.org/I4210124956"]},{"raw_affiliation_string":"[GIPSA-lab, Grenoble Institute of Technology, Grenoble, France]","institution_ids":["https://openalex.org/I106785703","https://openalex.org/I4210124956"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070579744","display_name":"Prashanth Marpu","orcid":"https://orcid.org/0000-0003-3335-1790"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Prashanth Reddy Marpu","raw_affiliation_strings":["Faculty of Electrical and Computer Engineering, University of Iceland, Reykjavik, Iceland","[Fac. of Electr. & Comput. Eng., Univ. of Iceland, Reykjavik, Iceland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electrical and Computer Engineering, University of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"[Fac. of Electr. & Comput. Eng., Univ. of Iceland, Reykjavik, Iceland]","institution_ids":["https://openalex.org/I165368041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106124934","display_name":"Jocelyn Chanussot","orcid":"https://orcid.org/0000-0003-4817-2875"},"institutions":[{"id":"https://openalex.org/I106785703","display_name":"Institut polytechnique de Grenoble","ror":"https://ror.org/05sbt2524","country_code":"FR","type":"education","lineage":["https://openalex.org/I106785703","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I4210124956","display_name":"GIPSA-Lab","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jocelyn Chanussot","raw_affiliation_strings":["Grenoble Institute of Technology, GIPSA Laboratory, Grenoble, France","[GIPSA-lab, Grenoble Institute of Technology, Grenoble, France]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Grenoble Institute of Technology, GIPSA Laboratory, Grenoble, France","institution_ids":["https://openalex.org/I106785703","https://openalex.org/I4210124956"]},{"raw_affiliation_string":"[GIPSA-lab, Grenoble Institute of Technology, Grenoble, France]","institution_ids":["https://openalex.org/I106785703","https://openalex.org/I4210124956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035508615","display_name":"J\u00f3n Atli Benediktsson","orcid":"https://orcid.org/0000-0003-0621-9647"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Jon Atli Benediktsson","raw_affiliation_strings":["Faculty of Electrical and Computer Engineering, University of Iceland, Reykjavik, Iceland","[Fac. of Electr. & Comput. Eng., Univ. of Iceland, Reykjavik, Iceland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electrical and Computer Engineering, University of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"[Fac. of Electr. & Comput. Eng., Univ. of Iceland, Reykjavik, Iceland]","institution_ids":["https://openalex.org/I165368041"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":13.5414,"has_fulltext":false,"cited_by_count":394,"citation_normalized_percentile":{"value":0.98697645,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"9","issue":"3","first_page":"447","last_page":"451"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"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":1.0,"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":0.9966999888420105,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9628999829292297,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8776527643203735},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.8725169897079468},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.7470524311065674},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5942132472991943},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5236542224884033},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5109254717826843},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.43641796708106995},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3891422748565674}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8776527643203735},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.8725169897079468},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.7470524311065674},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5942132472991943},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5236542224884033},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5109254717826843},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.43641796708106995},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3891422748565674},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2011.2172185","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2172185","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-00797814v1","is_oa":true,"landing_page_url":"https://hal.science/hal-00797814","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters, 2012, 9 (3), pp.447-451. &#x27E8;10.1109/LGRS.2011.2172185&#x27E9;","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:HAL:hal-00797814v1","is_oa":true,"landing_page_url":"https://hal.science/hal-00797814","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters, 2012, 9 (3), pp.447-451. &#x27E8;10.1109/LGRS.2011.2172185&#x27E9;","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1554663460","https://openalex.org/W1992961908","https://openalex.org/W1996355918","https://openalex.org/W2043665634","https://openalex.org/W2069272294","https://openalex.org/W2106777458","https://openalex.org/W2114819256","https://openalex.org/W2115451191","https://openalex.org/W2122538988","https://openalex.org/W2128330514","https://openalex.org/W2131697388","https://openalex.org/W2134594501","https://openalex.org/W2140996489","https://openalex.org/W2166576238","https://openalex.org/W4320339642","https://openalex.org/W4388297464"],"related_works":["https://openalex.org/W2072166414","https://openalex.org/W3209970181","https://openalex.org/W2070598848","https://openalex.org/W3034375524","https://openalex.org/W2060875994","https://openalex.org/W2027399350","https://openalex.org/W2044184146","https://openalex.org/W4313014865","https://openalex.org/W2019190440","https://openalex.org/W2343470940"],"abstract_inverted_index":{"Morphological":[0],"profiles":[1],"(MPs)":[2],"have":[3],"been":[4,103],"proposed":[5],"in":[6,24],"recent":[7],"literature":[8],"as":[9,39,59],"aiding":[10],"tools":[11],"to":[12,64,81,135],"achieve":[13],"better":[14,137],"results":[15,129],"for":[16],"classification":[17,84,126,138],"of":[18,31,35,69,77,94,98],"remotely":[19],"sensed":[20],"data.":[21],"MPs":[22,89],"are":[23],"general":[25],"built":[26,90],"using":[27,87,123,141],"features":[28,93],"containing":[29],"most":[30],"the":[32,36,40,66,83,92,99,117],"information":[33,67],"content":[34,68],"data,":[37],"such":[38],"components":[41],"derived":[42],"from":[43,91],"principal":[44],"component":[45],"analysis":[46],"(PCA).":[47],"Recently,":[48],"nonlinear":[49],"PCA":[50],"(NLPCA),":[51],"performed":[52],"by":[53],"autoassociative":[54],"neural":[55],"network,":[56],"has":[57,102],"emerged":[58],"a":[60],"good":[61],"unsupervised":[62],"technique":[63],"fit":[65],"hyperspectral":[70],"data":[71,108],"into":[72],"few":[73],"components.":[74],"The":[75,128],"aim":[76],"this":[78],"letter":[79],"is":[80],"investigate":[82],"accuracies":[85,139],"obtained":[86],"extended":[88],"NPCA.":[95],"A":[96],"comparison":[97],"two":[100,106,124],"approaches":[101],"validated":[104],"on":[105],"different":[107,111,125],"sets":[109],"having":[110],"spatial":[112],"and":[113,121],"spectral":[114],"resolutions/coverages,":[115],"over":[116],"same":[118],"ground":[119],"truth,":[120],"also":[122],"algorithms.":[127],"show":[130],"that":[131],"NLPCA":[132],"permits":[133],"one":[134],"obtain":[136],"than":[140],"linear":[142],"PCA.":[143]},"counts_by_year":[{"year":2026,"cited_by_count":12},{"year":2025,"cited_by_count":48},{"year":2024,"cited_by_count":46},{"year":2023,"cited_by_count":57},{"year":2022,"cited_by_count":45},{"year":2021,"cited_by_count":39},{"year":2020,"cited_by_count":38},{"year":2019,"cited_by_count":28},{"year":2018,"cited_by_count":22},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":10}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
