{"id":"https://openalex.org/W3042335128","doi":"https://doi.org/10.1109/jstars.2020.3008939","title":"Entropy-Based Convex Set Optimization for Spatial\u2013Spectral Endmember Extraction From Hyperspectral Images","display_name":"Entropy-Based Convex Set Optimization for Spatial\u2013Spectral Endmember Extraction From Hyperspectral Images","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3042335128","doi":"https://doi.org/10.1109/jstars.2020.3008939","mag":"3042335128"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2020.3008939","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.3008939","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09140306.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09140306.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052213729","display_name":"Dharambhai Shah","orcid":null},"institutions":[{"id":"https://openalex.org/I165831266","display_name":"Nirma University","ror":"https://ror.org/05qkq7x38","country_code":"IN","type":"education","lineage":["https://openalex.org/I165831266"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Dharambhai Shah","raw_affiliation_strings":["Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India","institution_ids":["https://openalex.org/I165831266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047326760","display_name":"Tanish Zaveri","orcid":"https://orcid.org/0000-0001-5622-9443"},"institutions":[{"id":"https://openalex.org/I165831266","display_name":"Nirma University","ror":"https://ror.org/05qkq7x38","country_code":"IN","type":"education","lineage":["https://openalex.org/I165831266"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Tanish Zaveri","raw_affiliation_strings":["Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India","institution_ids":["https://openalex.org/I165831266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083271137","display_name":"Y. N. Trivedi","orcid":"https://orcid.org/0000-0002-8289-9384"},"institutions":[{"id":"https://openalex.org/I165831266","display_name":"Nirma University","ror":"https://ror.org/05qkq7x38","country_code":"IN","type":"education","lineage":["https://openalex.org/I165831266"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Yogesh N. Trivedi","raw_affiliation_strings":["Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, the Institute of Technology, Nirma University, Ahmedabad, India","institution_ids":["https://openalex.org/I165831266"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054292278","display_name":"Antonio Plaza","orcid":"https://orcid.org/0000-0002-9613-1659"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio Plaza","raw_affiliation_strings":["Hyperspectral Computing Laboratory, the Department of Technology of Computers and Communications, Escuela Polit\u00e9cnica, University of Extremadura, Cáceres, Spain"],"affiliations":[{"raw_affiliation_string":"Hyperspectral Computing Laboratory, the Department of Technology of Computers and Communications, Escuela Polit\u00e9cnica, University of Extremadura, Cáceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5052213729"],"corresponding_institution_ids":["https://openalex.org/I165831266"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":3.6321,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.93927218,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"13","issue":null,"first_page":"4200","last_page":"4213"},"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":0.9904999732971191,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9865000247955322,"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/endmember","display_name":"Endmember","score":0.986032247543335},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.930966854095459},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6381612420082092},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6280523538589478},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5812362432479858},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5373764038085938},{"id":"https://openalex.org/keywords/spatial-analysis","display_name":"Spatial analysis","score":0.532795250415802},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35978496074676514},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2962009906768799},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.0719459056854248}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.986032247543335},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.930966854095459},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6381612420082092},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6280523538589478},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5812362432479858},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5373764038085938},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.532795250415802},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35978496074676514},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2962009906768799},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0719459056854248},{"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/jstars.2020.3008939","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.3008939","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09140306.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c5b481455b304a0c99e1a9e81b37de5d","is_oa":true,"landing_page_url":"https://doaj.org/article/c5b481455b304a0c99e1a9e81b37de5d","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 4200-4213 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2020.3008939","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2020.3008939","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/8994817/09140306.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1731382246","display_name":null,"funder_award_id":"GR18060","funder_id":"https://openalex.org/F4320328352","funder_display_name":"Junta de Extremadura"},{"id":"https://openalex.org/G1738016339","display_name":null,"funder_award_id":"Visvesvaraya","funder_id":"https://openalex.org/F4320325255","funder_display_name":"Ministry of Electronics and Information technology"},{"id":"https://openalex.org/G3339770686","display_name":null,"funder_award_id":"Visvesvaraya Ph.D.","funder_id":"https://openalex.org/F4320325255","funder_display_name":"Ministry of Electronics and Information technology"},{"id":"https://openalex.org/G4789121181","display_name":null,"funder_award_id":"Visvesvaraya Ph.D. Scheme","funder_id":"https://openalex.org/F4320325255","funder_display_name":"Ministry of Electronics and Information technology"}],"funders":[{"id":"https://openalex.org/F4320325255","display_name":"Ministry of Electronics and Information technology","ror":null},{"id":"https://openalex.org/F4320328352","display_name":"Junta de Extremadura","ror":"https://ror.org/01df4mv68"},{"id":"https://openalex.org/F4320328433","display_name":"Nirma University","ror":"https://ror.org/05qkq7x38"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3042335128.pdf","grobid_xml":"https://content.openalex.org/works/W3042335128.grobid-xml"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W1608180792","https://openalex.org/W1995875735","https://openalex.org/W2009576740","https://openalex.org/W2021755911","https://openalex.org/W2023307693","https://openalex.org/W2039806043","https://openalex.org/W2042168781","https://openalex.org/W2062393593","https://openalex.org/W2069113380","https://openalex.org/W2070424424","https://openalex.org/W2070781258","https://openalex.org/W2082827499","https://openalex.org/W2085007156","https://openalex.org/W2089666662","https://openalex.org/W2097153652","https://openalex.org/W2098295833","https://openalex.org/W2102159812","https://openalex.org/W2108600601","https://openalex.org/W2114486983","https://openalex.org/W2120371312","https://openalex.org/W2120474334","https://openalex.org/W2125298866","https://openalex.org/W2127062304","https://openalex.org/W2128090514","https://openalex.org/W2130939260","https://openalex.org/W2130942532","https://openalex.org/W2132638760","https://openalex.org/W2134328014","https://openalex.org/W2140501674","https://openalex.org/W2142786738","https://openalex.org/W2146449740","https://openalex.org/W2146950091","https://openalex.org/W2153885347","https://openalex.org/W2156220628","https://openalex.org/W2156447271","https://openalex.org/W2156787910","https://openalex.org/W2156932943","https://openalex.org/W2157321686","https://openalex.org/W2163886442","https://openalex.org/W2300075987","https://openalex.org/W2343906305","https://openalex.org/W2460321027","https://openalex.org/W2463773089","https://openalex.org/W2592335735","https://openalex.org/W2753234324","https://openalex.org/W2791179711","https://openalex.org/W2791725003","https://openalex.org/W2888268192","https://openalex.org/W2890016890","https://openalex.org/W2896388805","https://openalex.org/W2898923688","https://openalex.org/W2911419410","https://openalex.org/W2919687913","https://openalex.org/W2950325582","https://openalex.org/W2963371848","https://openalex.org/W2972717145","https://openalex.org/W2978725006","https://openalex.org/W2993402262","https://openalex.org/W4248749630","https://openalex.org/W6697854195"],"related_works":["https://openalex.org/W2037328426","https://openalex.org/W1990914742","https://openalex.org/W2891033441","https://openalex.org/W2006559622","https://openalex.org/W3106536224","https://openalex.org/W2051769241","https://openalex.org/W2563324120","https://openalex.org/W2040756827","https://openalex.org/W2315521504","https://openalex.org/W2773863718"],"abstract_inverted_index":{"Spectral":[0],"unmixing":[1,14],"is":[2,26,32,39,47,68,107,111,118],"an":[3],"important":[4],"problem":[5],"for":[6],"remotely":[7],"sensed":[8],"hyperspectral":[9,60],"data":[10],"exploitation.":[11],"Automatic":[12],"spectral":[13,63,96,116],"can":[15,77],"be":[16],"viewed":[17],"as":[18,135],"a":[19,88,163],"three-stage":[20],"problem,":[21],"where":[22],"the":[23,29,36,48,72,79,104,125,129,146,149,157,185],"first":[24],"stage":[25],"subspace":[27],"identification,":[28],"next":[30],"one":[31,38],"endmember":[33,45,80,90,150],"extraction,":[34],"and":[35,97,177],"final":[37],"abundance":[40],"estimation.":[41],"In":[42,83,124],"this":[43,84,141],"sequence,":[44],"extraction":[46,81,91,151],"most":[49],"challenging":[50],"problem.":[51],"Many":[52],"researchers":[53],"have":[54],"attempted":[55],"to":[56],"extract":[57],"endmembers":[58],"from":[59],"images":[61],"using":[62,113,120,174],"information":[64,76,110,117,144],"only.":[65],"However,":[66],"it":[67],"well":[69],"known":[70],"that":[71,93,108,184],"inclusion":[73,139],"of":[74,103,128,140,148,165],"spatial":[75,98,109,136,143],"improve":[78],"task.":[82],"article,":[85],"we":[86],"introduce":[87],"new":[89],"algorithm":[92,106,159,187],"exploits":[94],"both":[95,175],"information.":[99,137],"A":[100],"main":[101],"innovation":[102],"proposed":[105,158,186],"exploited":[112,119],"entropy,":[114],"while":[115],"convex":[121],"set":[122],"optimization.":[123],"literature,":[126],"none":[127],"spatial-spectral":[130],"algorithms":[131],"has":[132],"used":[133],"entropy":[134],"The":[138,153],"entropy-based":[142],"improves":[145],"accuracy":[147],"process.":[152],"results":[154,182],"obtained":[155,169],"by":[156,170],"are":[160],"compared":[161],"(using":[162],"variety":[164],"metrics)":[166],"with":[167],"those":[168],"other":[171],"state-of-the-art":[172],"methods,":[173],"synthetic":[176],"real":[178],"datasets.":[179],"Our":[180],"experimental":[181],"demonstrate":[183],"outperforms":[188],"many":[189],"available":[190],"algorithms.":[191]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":5}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2020-07-23T00:00:00"}