{"id":"https://openalex.org/W1991833256","doi":"https://doi.org/10.1109/lgrs.2011.2172771","title":"A Low-Computational-Complexity Algorithm for Hyperspectral Endmember Extraction: Modified Vertex Component Analysis","display_name":"A Low-Computational-Complexity Algorithm for Hyperspectral Endmember Extraction: Modified Vertex Component Analysis","publication_year":2011,"publication_date":"2011-11-17","ids":{"openalex":"https://openalex.org/W1991833256","doi":"https://doi.org/10.1109/lgrs.2011.2172771","mag":"1991833256"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2011.2172771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2172771","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051957436","display_name":"Sebasti\u00e1n L\u00f3pez","orcid":"https://orcid.org/0000-0002-2360-6721"},"institutions":[{"id":"https://openalex.org/I119635470","display_name":"Universidad de Las Palmas de Gran Canaria","ror":"https://ror.org/01teme464","country_code":"ES","type":"education","lineage":["https://openalex.org/I119635470"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sebastian Lopez","raw_affiliation_strings":["Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","institution_ids":["https://openalex.org/I119635470"]},{"raw_affiliation_string":"Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain","institution_ids":["https://openalex.org/I119635470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024750502","display_name":"Pablo Horstrand","orcid":"https://orcid.org/0000-0002-5488-1654"},"institutions":[{"id":"https://openalex.org/I119635470","display_name":"Universidad de Las Palmas de Gran Canaria","ror":"https://ror.org/01teme464","country_code":"ES","type":"education","lineage":["https://openalex.org/I119635470"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pablo Horstrand","raw_affiliation_strings":["Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","institution_ids":["https://openalex.org/I119635470"]},{"raw_affiliation_string":"Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain","institution_ids":["https://openalex.org/I119635470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037084402","display_name":"Gustavo M. Callic\u00f3","orcid":"https://orcid.org/0000-0002-3784-5504"},"institutions":[{"id":"https://openalex.org/I119635470","display_name":"Universidad de Las Palmas de Gran Canaria","ror":"https://ror.org/01teme464","country_code":"ES","type":"education","lineage":["https://openalex.org/I119635470"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Gustavo M. Callico","raw_affiliation_strings":["Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","institution_ids":["https://openalex.org/I119635470"]},{"raw_affiliation_string":"Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain","institution_ids":["https://openalex.org/I119635470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089728021","display_name":"Jos\u00e9 F. L\u00f3pez","orcid":"https://orcid.org/0000-0002-6304-2801"},"institutions":[{"id":"https://openalex.org/I119635470","display_name":"Universidad de Las Palmas de Gran Canaria","ror":"https://ror.org/01teme464","country_code":"ES","type":"education","lineage":["https://openalex.org/I119635470"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jose F. Lopez","raw_affiliation_strings":["Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","institution_ids":["https://openalex.org/I119635470"]},{"raw_affiliation_string":"Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain","institution_ids":["https://openalex.org/I119635470"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047871791","display_name":"Roberto Sarmiento","orcid":"https://orcid.org/0000-0002-4843-0507"},"institutions":[{"id":"https://openalex.org/I119635470","display_name":"Universidad de Las Palmas de Gran Canaria","ror":"https://ror.org/01teme464","country_code":"ES","type":"education","lineage":["https://openalex.org/I119635470"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Roberto Sarmiento","raw_affiliation_strings":["Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain","institution_ids":["https://openalex.org/I119635470"]},{"raw_affiliation_string":"Inst. for Appl. Microelectron. (IUMA), Univ. de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain","institution_ids":["https://openalex.org/I119635470"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I119635470"],"apc_list":null,"apc_paid":null,"fwci":8.1205,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.97571705,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"3","first_page":"502","last_page":"506"},"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.9869999885559082,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T13890","display_name":"Remote Sensing and Land Use","score":0.9851999878883362,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/endmember","display_name":"Endmember","score":0.9535864591598511},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8905758857727051},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6096551418304443},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.5575145483016968},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5522779822349548},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5405935049057007},{"id":"https://openalex.org/keywords/kernelization","display_name":"Kernelization","score":0.5016329288482666},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.49860548973083496},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4723583161830902},{"id":"https://openalex.org/keywords/orthogonalization","display_name":"Orthogonalization","score":0.44340553879737854},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.44162458181381226},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3812551498413086},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.2109183371067047},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.16028091311454773}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.9535864591598511},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8905758857727051},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6096551418304443},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.5575145483016968},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5522779822349548},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5405935049057007},{"id":"https://openalex.org/C207225210","wikidata":"https://www.wikidata.org/wiki/Q1759539","display_name":"Kernelization","level":3,"score":0.5016329288482666},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.49860548973083496},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4723583161830902},{"id":"https://openalex.org/C47559304","wikidata":"https://www.wikidata.org/wiki/Q1702189","display_name":"Orthogonalization","level":2,"score":0.44340553879737854},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.44162458181381226},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3812551498413086},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.2109183371067047},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.16028091311454773},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2011.2172771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2172771","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:accedacris.ulpgc.es:10553/45014","is_oa":false,"landing_page_url":"http://hdl.handle.net/10553/45014","pdf_url":null,"source":{"id":"https://openalex.org/S4306400136","display_name":"Acceda (Universidad de Las Palmas de Gran Canaria)","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters[ISSN 1545-598X],v. 9 (6082371), p. 502-506","raw_type":"info:eu-repo/semantics/Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2048537743","https://openalex.org/W2075476171","https://openalex.org/W2092155521","https://openalex.org/W2136078175","https://openalex.org/W2138418872","https://openalex.org/W2148983294","https://openalex.org/W2157321686"],"related_works":["https://openalex.org/W2037328426","https://openalex.org/W1990914742","https://openalex.org/W3106536224","https://openalex.org/W2891033441","https://openalex.org/W2890371384","https://openalex.org/W2315521504","https://openalex.org/W2006559622","https://openalex.org/W2040756827","https://openalex.org/W2051769241","https://openalex.org/W2773863718"],"abstract_inverted_index":{"Endmember":[0],"extraction":[1],"represents":[2],"one":[3],"of":[4,9,51,61,90,107],"the":[5,34,79,105],"most":[6],"challenging":[7],"aspects":[8],"hyperspectral":[10,57,82],"image":[11],"processing.":[12],"In":[13],"this":[14,62,108],"letter,":[15],"a":[16,42,118,131],"new":[17,31],"algorithm":[18,109],"for":[19,122],"endmember":[20,98],"extraction,":[21],"named":[22],"modified":[23],"vertex":[24,36],"component":[25,37],"analysis":[26,38],"(MVCA),":[27],"is":[28,64,130],"presented.":[29],"This":[30],"technique":[32,63],"outperforms":[33],"popular":[35],"(VCA)":[39],"by":[40,47,66],"applying":[41],"low-complexity":[43],"orthogonalization":[44],"method":[45],"and":[46],"utilizing":[48],"integer":[49],"instead":[50],"floating-point":[52],"arithmetic":[53],"when":[54],"dealing":[55],"with":[56,70,111],"data.":[58],"The":[59],"feasibility":[60],"demonstrated":[65],"comparing":[67],"its":[68,101],"performance":[69],"VCA":[71],"on":[72,78],"synthetic":[73],"mixtures":[74],"as":[75,77,117],"well":[76],"well-known":[80],"Cuprite":[81],"image.":[83],"MVCA":[84,116],"shows":[85],"promising":[86],"results":[87],"in":[88,126],"terms":[89],"much":[91],"lower":[92],"computational":[93],"complexity,":[94],"still":[95],"reproducing":[96],"similar":[97],"accuracy":[99],"than":[100],"original":[102],"counterpart.":[103],"Moreover,":[104],"features":[106],"combined":[110],"state-of-the-art":[112],"hardware":[113],"implementations":[114],"qualify":[115],"good":[119],"potential":[120],"candidate":[121],"all":[123],"those":[124],"applications":[125],"which":[127],"real":[128],"time":[129],"must.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
