{"id":"https://openalex.org/W2146076613","doi":"https://doi.org/10.1109/jstars.2014.2328581","title":"Subspace-Projection-Based Geometric Unmixing for Material Quantification in Hyperspectral Imagery","display_name":"Subspace-Projection-Based Geometric Unmixing for Material Quantification in Hyperspectral Imagery","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2146076613","doi":"https://doi.org/10.1109/jstars.2014.2328581","mag":"2146076613"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2014.2328581","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2328581","pdf_url":null,"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":false,"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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034995910","display_name":"Huadong Yang","orcid":"https://orcid.org/0000-0002-7428-6457"},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huadong Yang","raw_affiliation_strings":["Information Science and Technology College, Dalian Maritime University, Dalian, China","Information Science and Technology College Dalian Maritime University  Dalian China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Science and Technology College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]},{"raw_affiliation_string":"Information Science and Technology College Dalian Maritime University  Dalian China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089005116","display_name":"Jubai An","orcid":"https://orcid.org/0000-0002-8667-1168"},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jubai An","raw_affiliation_strings":["Information Science and Technology College, Dalian Maritime University, Dalian, China","Information Science and Technology College Dalian Maritime University  Dalian China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Science and Technology College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]},{"raw_affiliation_string":"Information Science and Technology College Dalian Maritime University  Dalian China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021302609","display_name":"Chuang Zhu","orcid":"https://orcid.org/0000-0001-5155-7069"},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuang Zhu","raw_affiliation_strings":["Information Science and Technology College, Dalian Maritime University, Dalian, China","Information Science and Technology College Dalian Maritime University  Dalian China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Science and Technology College, Dalian Maritime University, Dalian, China","institution_ids":["https://openalex.org/I43313876"]},{"raw_affiliation_string":"Information Science and Technology College Dalian Maritime University  Dalian China","institution_ids":["https://openalex.org/I43313876"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I43313876"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":2.7104,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.91447593,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"7","issue":"6","first_page":"1966","last_page":"1975"},"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9929999709129333,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.992900013923645,"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/endmember","display_name":"Endmember","score":0.9032920002937317},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8877719640731812},{"id":"https://openalex.org/keywords/simplex","display_name":"Simplex","score":0.6418065428733826},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5238887667655945},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.519317090511322},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4351634681224823},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.43108218908309937},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.42409074306488037},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.41571539640426636},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.385348916053772},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26664382219314575}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.9032920002937317},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8877719640731812},{"id":"https://openalex.org/C62438384","wikidata":"https://www.wikidata.org/wiki/Q331350","display_name":"Simplex","level":2,"score":0.6418065428733826},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5238887667655945},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.519317090511322},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4351634681224823},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.43108218908309937},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.42409074306488037},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.41571539640426636},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.385348916053772},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26664382219314575},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2014.2328581","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2328581","pdf_url":null,"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":false,"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":null,"license_id":null,"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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3007067852","display_name":null,"funder_award_id":"61201454","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W138005045","https://openalex.org/W846821018","https://openalex.org/W1995238279","https://openalex.org/W1997162412","https://openalex.org/W2012749606","https://openalex.org/W2016546886","https://openalex.org/W2028790275","https://openalex.org/W2033529478","https://openalex.org/W2050041778","https://openalex.org/W2060384859","https://openalex.org/W2065548527","https://openalex.org/W2070424424","https://openalex.org/W2096296424","https://openalex.org/W2097900616","https://openalex.org/W2101837437","https://openalex.org/W2109533493","https://openalex.org/W2113753426","https://openalex.org/W2118038900","https://openalex.org/W2118798900","https://openalex.org/W2125298866","https://openalex.org/W2127062304","https://openalex.org/W2128323493","https://openalex.org/W2136625467","https://openalex.org/W2146707163","https://openalex.org/W2147353113","https://openalex.org/W2157321686","https://openalex.org/W2163886442","https://openalex.org/W2165755981","https://openalex.org/W2169924573","https://openalex.org/W2979307260","https://openalex.org/W3194305503","https://openalex.org/W4205552234","https://openalex.org/W4233760599","https://openalex.org/W4248253651","https://openalex.org/W6623562790"],"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":{"Linear":[0],"spectral":[1,46,82],"unmixing":[2,47,83],"is":[3,48,74,101,124,145,160],"a":[4,52,70,111,150],"widely":[5],"used":[6],"technique":[7],"in":[8,16,103,161],"hyperspectral":[9],"remote":[10],"sensing":[11],"to":[12,22,63,188],"quantify":[13],"materials":[14],"present":[15],"an":[17],"image":[18],"pixel.":[19],"In":[20,67],"order":[21],"produce":[23],"accurate":[24],"estimates":[25],"of":[26,39,93,96,106,182],"abundances,":[27],"nonnegativity":[28,141],"constraint":[29,32],"and":[30,173],"sum-to-one":[31],"must":[33],"be":[34],"imposed":[35],"on":[36,171],"the":[37,78,91,104,118,122,128,132,137,140,155,164,174,180,183],"abundances":[38,86,138],"materials.":[40],"Under":[41],"these":[42],"two":[43],"constraints,":[44],"linear":[45,81],"often":[49],"formulated":[50],"as":[51,90],"convex":[53],"optimization":[54,60],"problem":[55],"that":[56],"requires":[57],"more":[58],"advanced":[59],"technology,":[61],"leading":[62],"excessive":[64],"computational":[65],"complexity.":[66],"this":[68],"paper,":[69],"novel":[71],"geometric":[72],"method":[73,159],"presented":[75],"for":[76,135],"solving":[77],"fully":[79],"constrained":[80],"problem.":[84],"Specifically,":[85],"are":[87],"first":[88],"expressed":[89],"ratios":[92],"signed":[94],"volumes":[95],"simplexes.":[97],"Then,":[98],"Laplace":[99],"expansion":[100],"applied":[102],"process":[105,144],"determinant":[107],"calculation,":[108],"which":[109],"derives":[110],"new":[112],"low-complexity":[113],"abundance":[114],"estimation":[115],"method.":[116],"Furthermore,":[117],"mixed":[119],"pixel":[120],"outside":[121],"simplex":[123],"iteratively":[125],"projected":[126,151],"onto":[127],"facet":[129],"planes":[130],"through":[131],"endmember":[133],"vertices":[134],"making":[136],"satisfy":[139],"constraint.":[142],"This":[143],"continued":[146],"until":[147],"one":[148],"finds":[149],"point":[152],"lying":[153],"inside":[154],"simplex.":[156],"The":[157],"proposed":[158,184],"line":[162],"with":[163,186],"least":[165],"squares":[166],"criterion.":[167],"Experimental":[168],"results":[169],"based":[170],"simulated":[172],"AVIRIS":[175],"Cuprite":[176],"data":[177],"sets":[178],"demonstrate":[179],"superiority":[181],"algorithm":[185],"respect":[187],"other":[189],"state-of-the-art":[190],"approaches.":[191]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
