{"id":"https://openalex.org/W2346349995","doi":"https://doi.org/10.1109/tgrs.2016.2554160","title":"Hyperspectral Unmixing With Endmember Variability via Alternating Angle Minimization","display_name":"Hyperspectral Unmixing With Endmember Variability via Alternating Angle Minimization","publication_year":2016,"publication_date":"2016-05-04","ids":{"openalex":"https://openalex.org/W2346349995","doi":"https://doi.org/10.1109/tgrs.2016.2554160","mag":"2346349995"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2016.2554160","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2016.2554160","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5048918209","display_name":"Rob Heylen","orcid":"https://orcid.org/0000-0002-8341-9397"},"institutions":[{"id":"https://openalex.org/I149213910","display_name":"University of Antwerp","ror":"https://ror.org/008x57b05","country_code":"BE","type":"education","lineage":["https://openalex.org/I149213910"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Rob Heylen","raw_affiliation_strings":["Vision Lab, University of Antwerp, Antwerp, Belgium"],"affiliations":[{"raw_affiliation_string":"Vision Lab, University of Antwerp, Antwerp, Belgium","institution_ids":["https://openalex.org/I149213910"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079676776","display_name":"Alina Zare","orcid":"https://orcid.org/0000-0002-4847-7604"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alina Zare","raw_affiliation_strings":["Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057277525","display_name":"Paul Gader","orcid":"https://orcid.org/0000-0001-6276-9403"},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paul Gader","raw_affiliation_strings":["Computer and Information Science and Engineering, University of Florida, Gainesville, FL, USA"],"affiliations":[{"raw_affiliation_string":"Computer and Information Science and Engineering, University of Florida, Gainesville, FL, USA","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009310543","display_name":"Paul Scheunders","orcid":"https://orcid.org/0000-0003-2447-4772"},"institutions":[{"id":"https://openalex.org/I149213910","display_name":"University of Antwerp","ror":"https://ror.org/008x57b05","country_code":"BE","type":"education","lineage":["https://openalex.org/I149213910"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Paul Scheunders","raw_affiliation_strings":["Vision Lab, University of Antwerp, Antwerp, Belgium"],"affiliations":[{"raw_affiliation_string":"Vision Lab, University of Antwerp, Antwerp, Belgium","institution_ids":["https://openalex.org/I149213910"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5048918209"],"corresponding_institution_ids":["https://openalex.org/I149213910"],"apc_list":null,"apc_paid":null,"fwci":2.2607,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.90009761,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"54","issue":"8","first_page":"4983","last_page":"4993"},"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9793999791145325,"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":0.9978538751602173},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9184565544128418},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.552762508392334},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5244710445404053},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48750969767570496},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4838103652000427},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48080316185951233},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4754335880279541},{"id":"https://openalex.org/keywords/data-set","display_name":"Data set","score":0.4467841684818268},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4104793071746826},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.1974165141582489}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.9978538751602173},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9184565544128418},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.552762508392334},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5244710445404053},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48750969767570496},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4838103652000427},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48080316185951233},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4754335880279541},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.4467841684818268},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4104793071746826},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.1974165141582489},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tgrs.2016.2554160","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2016.2554160","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:c:irua:134280","is_oa":false,"landing_page_url":"https://hdl.handle.net/10067/1342800151162165141","pdf_url":null,"source":{"id":"https://openalex.org/S4377196495","display_name":"Anet (University of Antwerp)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I149213910","host_organization_name":"University of Antwerp","host_organization_lineage":["https://openalex.org/I149213910"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1963659868","https://openalex.org/W1972293418","https://openalex.org/W2005818237","https://openalex.org/W2008337397","https://openalex.org/W2012537279","https://openalex.org/W2015502627","https://openalex.org/W2025330625","https://openalex.org/W2025389829","https://openalex.org/W2037328426","https://openalex.org/W2046694687","https://openalex.org/W2077270238","https://openalex.org/W2085918337","https://openalex.org/W2095834923","https://openalex.org/W2101267413","https://openalex.org/W2109533493","https://openalex.org/W2113753426","https://openalex.org/W2122227543","https://openalex.org/W2123907688","https://openalex.org/W2124781164","https://openalex.org/W2127062304","https://openalex.org/W2128990403","https://openalex.org/W2136635809","https://openalex.org/W2144881411","https://openalex.org/W2163617274","https://openalex.org/W2163886442","https://openalex.org/W2165392437","https://openalex.org/W2166917517","https://openalex.org/W2172063876","https://openalex.org/W2542152021","https://openalex.org/W3122463936"],"related_works":["https://openalex.org/W3205581890","https://openalex.org/W2326359125","https://openalex.org/W4292171749","https://openalex.org/W3173596272","https://openalex.org/W2028628118","https://openalex.org/W2062246128","https://openalex.org/W2070287933","https://openalex.org/W1994705495","https://openalex.org/W2153753491","https://openalex.org/W1524571335"],"abstract_inverted_index":{"In":[0,15,51],"hyperspectral":[1],"unmixing":[2,49,75],"applications,":[3],"one":[4,24],"typically":[5],"assumes":[6],"that":[7],"a":[8,26,29,56,126],"single":[9],"spectrum":[10],"exists":[11],"for":[12,59,154],"every":[13],"endmember.":[14],"many":[16],"scenarios,":[17],"this":[18,52],"is":[19,113],"not":[20],"the":[21,69,73,91,101,107,116,138],"case,":[22],"and":[23,77,97,143,147],"requires":[25],"set":[27],"or":[28,37],"distribution":[30],"of":[31,72,87,103],"spectra":[32,88],"to":[33,89,99,115],"represent":[34,90],"an":[35,78],"endmember":[36,62,119,157],"class.":[38],"This":[39,82],"inherent":[40],"spectral":[41,65,120],"variability":[42,63,92],"can":[43],"pose":[44],"severe":[45],"difficulties":[46],"in":[47,64,94],"classical":[48],"approaches.":[50],"paper,":[53],"we":[54],"present":[55,93],"new":[57],"algorithm":[58,84,112,139],"dealing":[60,155],"with":[61,149,156],"unmixing,":[66],"based":[67],"on":[68,140],"geometrical":[70],"interpretation":[71],"resulting":[74],"problem,":[76],"alternating":[79],"optimization":[80],"approach.":[81],"alternating-angle-minimization":[83],"uses":[85],"sets":[86,146],"each":[95],"class":[96],"attempts":[98],"identify":[100],"subset":[102],"endmembers":[104],"which":[105],"produce":[106],"smallest":[108],"reconstruction":[109],"error.":[110],"The":[111],"analogous":[114],"popular":[117],"multiple":[118],"mixture":[121],"analysis":[122],"technique":[123],"but":[124],"has":[125],"much":[127],"more":[128],"favorable":[129],"computational":[130],"complexity":[131],"while":[132],"producing":[133],"similar":[134],"results.":[135],"We":[136],"illustrate":[137],"several":[141,150],"artificial":[142],"real":[144],"data":[145],"compare":[148],"other":[151],"recent":[152],"techniques":[153],"variability.":[158]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}