{"id":"https://openalex.org/W4379276577","doi":"https://doi.org/10.3390/rs15112822","title":"Spatial Validation of Spectral Unmixing Results: A Systematic Review","display_name":"Spatial Validation of Spectral Unmixing Results: A Systematic Review","publication_year":2023,"publication_date":"2023-05-29","ids":{"openalex":"https://openalex.org/W4379276577","doi":"https://doi.org/10.3390/rs15112822"},"language":"en","primary_location":{"id":"doi:10.3390/rs15112822","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15112822","pdf_url":"https://www.mdpi.com/2072-4292/15/11/2822/pdf?version=1685543544","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"review","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/15/11/2822/pdf?version=1685543544","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062915843","display_name":"Rosa Maria Cavalli","orcid":"https://orcid.org/0000-0002-3680-4890"},"institutions":[{"id":"https://openalex.org/I4210091655","display_name":"Research Institute for Geo-Hydrological Protection","ror":"https://ror.org/0040zx077","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210091655","https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Rosa Maria Cavalli","raw_affiliation_strings":["Research Institute for Geo-Hydrological Protection (IRPI), National Research Council (CNR), 06128 Perugia, Italy"],"affiliations":[{"raw_affiliation_string":"Research Institute for Geo-Hydrological Protection (IRPI), National Research Council (CNR), 06128 Perugia, Italy","institution_ids":["https://openalex.org/I4210091655","https://openalex.org/I4210155236"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5062915843"],"corresponding_institution_ids":["https://openalex.org/I4210091655","https://openalex.org/I4210155236"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.3743,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.89785896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"15","issue":"11","first_page":"2822","last_page":"2822"},"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9980000257492065,"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":0.9939000010490417,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6963450312614441},{"id":"https://openalex.org/keywords/resampling","display_name":"Resampling","score":0.591051459312439},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5455465316772461},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4867539405822754},{"id":"https://openalex.org/keywords/endmember","display_name":"Endmember","score":0.47400033473968506},{"id":"https://openalex.org/keywords/reference-data","display_name":"Reference data","score":0.41837918758392334},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.37361758947372437},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3513067364692688},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2781105041503906},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1482434868812561}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6963450312614441},{"id":"https://openalex.org/C150921843","wikidata":"https://www.wikidata.org/wiki/Q1170431","display_name":"Resampling","level":2,"score":0.591051459312439},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5455465316772461},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4867539405822754},{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.47400033473968506},{"id":"https://openalex.org/C60478076","wikidata":"https://www.wikidata.org/wiki/Q3036835","display_name":"Reference data","level":2,"score":0.41837918758392334},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.37361758947372437},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3513067364692688},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2781105041503906},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1482434868812561}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs15112822","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15112822","pdf_url":"https://www.mdpi.com/2072-4292/15/11/2822/pdf?version=1685543544","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:aea65e2ba4024ec6a4e060123d7f958e","is_oa":true,"landing_page_url":"https://doaj.org/article/aea65e2ba4024ec6a4e060123d7f958e","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 15, Iss 11, p 2822 (2023)","raw_type":"article"},{"id":"pmh:oai:it.cnr:prodotti:482054","is_oa":false,"landing_page_url":"http://www.cnr.it/prodotto/i/482054","pdf_url":null,"source":{"id":"https://openalex.org/S7407055101","display_name":"CNR ExploRA","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":"info:cnr-pdr/source/autori:Rosa Maria Cavalli/titolo:Spatial Validation of Spectral Unmixing Results: A Systematic Review/doi:10.3390%2Frs15112822/rivista:Remote sensing (Basel)/anno:2023/pagina_da:1/pagina_a:86/intervallo_pagine:1\u201386/volume:15","raw_type":"Articolo in rivista"},{"id":"pmh:oai:mdpi.com:/2072-4292/15/11/2822/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs15112822","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 15; Issue 11; Pages: 2822","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs15112822","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15112822","pdf_url":"https://www.mdpi.com/2072-4292/15/11/2822/pdf?version=1685543544","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4379276577.pdf","grobid_xml":"https://content.openalex.org/works/W4379276577.grobid-xml"},"referenced_works_count":555,"referenced_works":["https://openalex.org/W581184175","https://openalex.org/W643086147","https://openalex.org/W1484607615","https://openalex.org/W1508246414","https://openalex.org/W1571597279","https://openalex.org/W1582058549","https://openalex.org/W1634882586","https://openalex.org/W1926257029","https://openalex.org/W1963651676","https://openalex.org/W1963659868","https://openalex.org/W1964247723","https://openalex.org/W1964564936","https://openalex.org/W1966798775","https://openalex.org/W1968221304","https://openalex.org/W1969764048","https://openalex.org/W1972293418","https://openalex.org/W1972391109","https://openalex.org/W1973111333","https://openalex.org/W1975269487","https://openalex.org/W1975517954","https://openalex.org/W1977338552","https://openalex.org/W1978487267","https://openalex.org/W1980757675","https://openalex.org/W1981768943","https://openalex.org/W1982448609","https://openalex.org/W1985647253","https://openalex.org/W1985996976","https://openalex.org/W1988567653","https://openalex.org/W1988881499","https://openalex.org/W1989314352","https://openalex.org/W1989987606","https://openalex.org/W1990744580","https://openalex.org/W1990877833","https://openalex.org/W1991157477","https://openalex.org/W1991480333","https://openalex.org/W1995149874","https://openalex.org/W1999007163","https://openalex.org/W1999545696","https://openalex.org/W2000056827","https://openalex.org/W2000605727","https://openalex.org/W2003446614","https://openalex.org/W2003896345","https://openalex.org/W2005114019","https://openalex.org/W2006372398","https://openalex.org/W2007285204","https://openalex.org/W2007502829","https://openalex.org/W2010252312","https://openalex.org/W2012608762","https://openalex.org/W2013360540","https://openalex.org/W2015968935","https://openalex.org/W2016201611","https://openalex.org/W2017061778","https://openalex.org/W2017270226","https://openalex.org/W2018044115","https://openalex.org/W2019190440","https://openalex.org/W2019882471","https://openalex.org/W2019946988","https://openalex.org/W2025286685","https://openalex.org/W2025330625","https://openalex.org/W2027915738","https://openalex.org/W2029826967","https://openalex.org/W2032046865","https://openalex.org/W2032384639","https://openalex.org/W2032944446","https://openalex.org/W2033468906","https://openalex.org/W2035166508","https://openalex.org/W2038003071","https://openalex.org/W2038930744","https://openalex.org/W2042568525","https://openalex.org/W2042585060","https://openalex.org/W2042626896","https://openalex.org/W2042720773","https://openalex.org/W2046205311","https://openalex.org/W2046468109","https://openalex.org/W2047949825","https://openalex.org/W2048763786","https://openalex.org/W2052407261","https://openalex.org/W2052972512","https://openalex.org/W2053272778","https://openalex.org/W2055122322","https://openalex.org/W2059976262","https://openalex.org/W2060384859","https://openalex.org/W2060838285","https://openalex.org/W2065548527","https://openalex.org/W2066144603","https://openalex.org/W2068021559","https://openalex.org/W2068732183","https://openalex.org/W2069609746","https://openalex.org/W2071249186","https://openalex.org/W2078222544","https://openalex.org/W2079644560","https://openalex.org/W2084253142","https://openalex.org/W2084315701","https://openalex.org/W2086871164","https://openalex.org/W2090193178","https://openalex.org/W2092837799","https://openalex.org/W2093661729","https://openalex.org/W2098227151","https://openalex.org/W2098440323","https://openalex.org/W2098526008","https://openalex.org/W2100903394","https://openalex.org/W2101693013","https://openalex.org/W2108253568","https://openalex.org/W2108314911","https://openalex.org/W2108711407","https://openalex.org/W2108917905","https://openalex.org/W2111560151","https://openalex.org/W2112683117","https://openalex.org/W2113095280","https://openalex.org/W2113125088","https://openalex.org/W2113753426","https://openalex.org/W2113898416","https://openalex.org/W2114040887","https://openalex.org/W2114828048","https://openalex.org/W2116699851","https://openalex.org/W2116743594","https://openalex.org/W2117074596","https://openalex.org/W2117176777","https://openalex.org/W2118798900","https://openalex.org/W2119317657","https://openalex.org/W2120893400","https://openalex.org/W2121123096","https://openalex.org/W2121597613","https://openalex.org/W2122520938","https://openalex.org/W2122944810","https://openalex.org/W2125298866","https://openalex.org/W2125678373","https://openalex.org/W2126025632","https://openalex.org/W2127062304","https://openalex.org/W2127814617","https://openalex.org/W2127827417","https://openalex.org/W2128462828","https://openalex.org/W2128686953","https://openalex.org/W2128954960","https://openalex.org/W2130939260","https://openalex.org/W2131614384","https://openalex.org/W2131693458","https://openalex.org/W2134211083","https://openalex.org/W2134998405","https://openalex.org/W2135405393","https://openalex.org/W2137052100","https://openalex.org/W2138034024","https://openalex.org/W2138763184","https://openalex.org/W2140258836","https://openalex.org/W2144492104","https://openalex.org/W2144881411","https://openalex.org/W2144896452","https://openalex.org/W2145035344","https://openalex.org/W2146060412","https://openalex.org/W2147712562","https://openalex.org/W2148282317","https://openalex.org/W2148433966","https://openalex.org/W2148591637","https://openalex.org/W2150478416","https://openalex.org/W2151659169","https://openalex.org/W2152702230","https://openalex.org/W2153885347","https://openalex.org/W2155447189","https://openalex.org/W2155653793","https://openalex.org/W2157831734","https://openalex.org/W2161961865","https://openalex.org/W2162888866","https://openalex.org/W2163721270","https://openalex.org/W2163807205","https://openalex.org/W2163867257","https://openalex.org/W2163886442","https://openalex.org/W2166917517","https://openalex.org/W2167062688","https://openalex.org/W2167249875","https://openalex.org/W2167776951","https://openalex.org/W2168533505","https://openalex.org/W2169147346","https://openalex.org/W2169525775","https://openalex.org/W2170078675","https://openalex.org/W2170471919","https://openalex.org/W2182080221","https://openalex.org/W2267362924","https://openalex.org/W2319669222","https://openalex.org/W2374027000","https://openalex.org/W2383627028","https://openalex.org/W2393161304","https://openalex.org/W2463773089","https://openalex.org/W2484085657","https://openalex.org/W2513923277","https://openalex.org/W2770640683","https://openalex.org/W2785632293","https://openalex.org/W2790317606","https://openalex.org/W2885173122","https://openalex.org/W2903301943","https://openalex.org/W2913356454","https://openalex.org/W2945977630","https://openalex.org/W2949669243","https://openalex.org/W2953011380","https://openalex.org/W2957529593","https://openalex.org/W2965762867","https://openalex.org/W2978864577","https://openalex.org/W2988699317","https://openalex.org/W2989257067","https://openalex.org/W2990539129","https://openalex.org/W2990860778","https://openalex.org/W2991135466","https://openalex.org/W2994600591","https://openalex.org/W2996937773","https://openalex.org/W2997520060","https://openalex.org/W2997534043","https://openalex.org/W2998867046","https://openalex.org/W2999109621","https://openalex.org/W2999903818","https://openalex.org/W3000086362","https://openalex.org/W3001677969","https://openalex.org/W3002092414","https://openalex.org/W3002098459","https://openalex.org/W3002944093","https://openalex.org/W3003397706","https://openalex.org/W3004126537","https://openalex.org/W3004843482","https://openalex.org/W3007194108","https://openalex.org/W3008338187","https://openalex.org/W3009562877","https://openalex.org/W3010416187","https://openalex.org/W3010578036","https://openalex.org/W3010675358","https://openalex.org/W3011380351","https://openalex.org/W3012328093","https://openalex.org/W3012359476","https://openalex.org/W3012482138","https://openalex.org/W3013237175","https://openalex.org/W3013583130","https://openalex.org/W3013803529","https://openalex.org/W3015094605","https://openalex.org/W3015126059","https://openalex.org/W3015194454","https://openalex.org/W3015235564","https://openalex.org/W3015282369","https://openalex.org/W3015743676","https://openalex.org/W3015770584","https://openalex.org/W3015931378","https://openalex.org/W3016296267","https://openalex.org/W3020160254","https://openalex.org/W3021610157","https://openalex.org/W3022160004","https://openalex.org/W3022644749","https://openalex.org/W3022838084","https://openalex.org/W3022928752","https://openalex.org/W3023363667","https://openalex.org/W3024375667","https://openalex.org/W3024436923","https://openalex.org/W3024505451","https://openalex.org/W3025415229","https://openalex.org/W3025704205","https://openalex.org/W3026095180","https://openalex.org/W3026341921","https://openalex.org/W3028040906","https://openalex.org/W3028855843","https://openalex.org/W3029438666","https://openalex.org/W3030011285","https://openalex.org/W3031843515","https://openalex.org/W3032636923","https://openalex.org/W3033624930","https://openalex.org/W3033726399","https://openalex.org/W3034098307","https://openalex.org/W3034150214","https://openalex.org/W3034565066","https://openalex.org/W3035015656","https://openalex.org/W3036007026","https://openalex.org/W3036231890","https://openalex.org/W3036270649","https://openalex.org/W3037895906","https://openalex.org/W3041330594","https://openalex.org/W3042164080","https://openalex.org/W3042335128","https://openalex.org/W3042418592","https://openalex.org/W3043084891","https://openalex.org/W3044978601","https://openalex.org/W3045351696","https://openalex.org/W3045922217","https://openalex.org/W3047161451","https://openalex.org/W3047822717","https://openalex.org/W3048051136","https://openalex.org/W3048259588","https://openalex.org/W3048556290","https://openalex.org/W3049378918","https://openalex.org/W3049705335","https://openalex.org/W3052044215","https://openalex.org/W3080476437","https://openalex.org/W3080537031","https://openalex.org/W3081182430","https://openalex.org/W3081575374","https://openalex.org/W3081618661","https://openalex.org/W3081749390","https://openalex.org/W3082522458","https://openalex.org/W3083170332","https://openalex.org/W3083259708","https://openalex.org/W3085191356","https://openalex.org/W3087850329","https://openalex.org/W3088589135","https://openalex.org/W3088802305","https://openalex.org/W3089381191","https://openalex.org/W3090335257","https://openalex.org/W3094021368","https://openalex.org/W3101253503","https://openalex.org/W3101505066","https://openalex.org/W3103315784","https://openalex.org/W3106289623","https://openalex.org/W3106775994","https://openalex.org/W3107035504","https://openalex.org/W3109240424","https://openalex.org/W3109324734","https://openalex.org/W3110349648","https://openalex.org/W3110421119","https://openalex.org/W3110586134","https://openalex.org/W3110749113","https://openalex.org/W3112398971","https://openalex.org/W3112473741","https://openalex.org/W3112911234","https://openalex.org/W3113008139","https://openalex.org/W3116407822","https://openalex.org/W3118755085","https://openalex.org/W3118795411","https://openalex.org/W3119459694","https://openalex.org/W3119563676","https://openalex.org/W3121070394","https://openalex.org/W3122689400","https://openalex.org/W3125954465","https://openalex.org/W3127747138","https://openalex.org/W3128683782","https://openalex.org/W3129266902","https://openalex.org/W3129542929","https://openalex.org/W3130118680","https://openalex.org/W3131523308","https://openalex.org/W3131651877","https://openalex.org/W3132064951","https://openalex.org/W3132446495","https://openalex.org/W3132582562","https://openalex.org/W3132916240","https://openalex.org/W3133233774","https://openalex.org/W3134071763","https://openalex.org/W3134079015","https://openalex.org/W3134584824","https://openalex.org/W3146142859","https://openalex.org/W3149942599","https://openalex.org/W3152859353","https://openalex.org/W3156876709","https://openalex.org/W3157105957","https://openalex.org/W3158938515","https://openalex.org/W3159364221","https://openalex.org/W3160425084","https://openalex.org/W3160709861","https://openalex.org/W3160980664","https://openalex.org/W3161263451","https://openalex.org/W3162052015","https://openalex.org/W3164544824","https://openalex.org/W3164794619","https://openalex.org/W3165729427","https://openalex.org/W3166330239","https://openalex.org/W3166679963","https://openalex.org/W3166866928","https://openalex.org/W3168010685","https://openalex.org/W3170785047","https://openalex.org/W3170878188","https://openalex.org/W3171274236","https://openalex.org/W3171291078","https://openalex.org/W3171517921","https://openalex.org/W3172985209","https://openalex.org/W3173360908","https://openalex.org/W3174053575","https://openalex.org/W3174417929","https://openalex.org/W3175968366","https://openalex.org/W3176664940","https://openalex.org/W3176766082","https://openalex.org/W3177712428","https://openalex.org/W3178645430","https://openalex.org/W3184769987","https://openalex.org/W3184844744","https://openalex.org/W3184866234","https://openalex.org/W3186946141","https://openalex.org/W3188276472","https://openalex.org/W3189122062","https://openalex.org/W3189388292","https://openalex.org/W3189859838","https://openalex.org/W3189910728","https://openalex.org/W3192188223","https://openalex.org/W3194015547","https://openalex.org/W3194614729","https://openalex.org/W3196693229","https://openalex.org/W3197133942","https://openalex.org/W3198084535","https://openalex.org/W3198480870","https://openalex.org/W3199207576","https://openalex.org/W3200228418","https://openalex.org/W3200562776","https://openalex.org/W3201720777","https://openalex.org/W3203394296","https://openalex.org/W3203576739","https://openalex.org/W3203959416","https://openalex.org/W3204957802","https://openalex.org/W3205375691","https://openalex.org/W3206058291","https://openalex.org/W3206081464","https://openalex.org/W3206222981","https://openalex.org/W3206304544","https://openalex.org/W3206402020","https://openalex.org/W3206456741","https://openalex.org/W3206575248","https://openalex.org/W3206658949","https://openalex.org/W3206855797","https://openalex.org/W3206933835","https://openalex.org/W3207035808","https://openalex.org/W3207069864","https://openalex.org/W3207692747","https://openalex.org/W3210742919","https://openalex.org/W3211508595","https://openalex.org/W3211698988","https://openalex.org/W3214646684","https://openalex.org/W3215350172","https://openalex.org/W3216269659","https://openalex.org/W4200112128","https://openalex.org/W4205264201","https://openalex.org/W4205994522","https://openalex.org/W4206087876","https://openalex.org/W4206155389","https://openalex.org/W4206180462","https://openalex.org/W4206252531","https://openalex.org/W4206411615","https://openalex.org/W4206423478","https://openalex.org/W4206620949","https://openalex.org/W4206690402","https://openalex.org/W4210699701","https://openalex.org/W4210824752","https://openalex.org/W4210982884","https://openalex.org/W4210987640","https://openalex.org/W4211240256","https://openalex.org/W4211249244","https://openalex.org/W4213025892","https://openalex.org/W4213126894","https://openalex.org/W4214713263","https://openalex.org/W4214827030","https://openalex.org/W4220663224","https://openalex.org/W4220705173","https://openalex.org/W4220936983","https://openalex.org/W4224253670","https://openalex.org/W4224324766","https://openalex.org/W4224944672","https://openalex.org/W4226336696","https://openalex.org/W4229058858","https://openalex.org/W4233760599","https://openalex.org/W4250421497","https://openalex.org/W4280497262","https://openalex.org/W4280525219","https://openalex.org/W4280533103","https://openalex.org/W4281479753","https://openalex.org/W4281665806","https://openalex.org/W4282561648","https://openalex.org/W4283016951","https://openalex.org/W4283275305","https://openalex.org/W4284974844","https://openalex.org/W4285012084","https://openalex.org/W4285095337","https://openalex.org/W4285124290","https://openalex.org/W4285125492","https://openalex.org/W4285173622","https://openalex.org/W4285593729","https://openalex.org/W4286384741","https://openalex.org/W4288884315","https://openalex.org/W4290997047","https://openalex.org/W4293147514","https://openalex.org/W4293152441","https://openalex.org/W4294215472","https://openalex.org/W4294415041","https://openalex.org/W4295046169","https://openalex.org/W4296105788","https://openalex.org/W4297143848","https://openalex.org/W4297383660","https://openalex.org/W4301586827","https://openalex.org/W4303699340","https://openalex.org/W4303968625","https://openalex.org/W4303980602","https://openalex.org/W4304591030","https://openalex.org/W4304606841","https://openalex.org/W4306398632","https://openalex.org/W4306398750","https://openalex.org/W4306399448","https://openalex.org/W4306743304","https://openalex.org/W4306936841","https://openalex.org/W4307321319","https://openalex.org/W4307988656","https://openalex.org/W4308433985","https://openalex.org/W4308694231","https://openalex.org/W4310075779","https://openalex.org/W4310215199","https://openalex.org/W4311053558","https://openalex.org/W4311169772","https://openalex.org/W4311367148","https://openalex.org/W4312481159","https://openalex.org/W4312513332","https://openalex.org/W4312518244","https://openalex.org/W4312538649","https://openalex.org/W4312617484","https://openalex.org/W4312626966","https://openalex.org/W4312705690","https://openalex.org/W4312729759","https://openalex.org/W4312754836","https://openalex.org/W4312796709","https://openalex.org/W4312809171","https://openalex.org/W4312923835","https://openalex.org/W4313050056","https://openalex.org/W4313164936","https://openalex.org/W4313172229","https://openalex.org/W4313471171","https://openalex.org/W6643517095","https://openalex.org/W6645760195","https://openalex.org/W6647597027","https://openalex.org/W6654435374","https://openalex.org/W6655259352","https://openalex.org/W6673739623","https://openalex.org/W6675750237","https://openalex.org/W6679407224","https://openalex.org/W6679875053","https://openalex.org/W6684677427","https://openalex.org/W6684969366","https://openalex.org/W6686081247","https://openalex.org/W6708772294","https://openalex.org/W6721776043","https://openalex.org/W6769915538","https://openalex.org/W6775633291","https://openalex.org/W6781211138","https://openalex.org/W6782177443","https://openalex.org/W6782369552","https://openalex.org/W6788350110","https://openalex.org/W6794387442","https://openalex.org/W6795129849","https://openalex.org/W6796778524","https://openalex.org/W6796959924","https://openalex.org/W6797557418","https://openalex.org/W6798854646","https://openalex.org/W6799821546","https://openalex.org/W6800085192","https://openalex.org/W6800761200","https://openalex.org/W6801268348","https://openalex.org/W6802522566","https://openalex.org/W6803000548","https://openalex.org/W6804156775","https://openalex.org/W6806128028","https://openalex.org/W6806174206","https://openalex.org/W6806436850","https://openalex.org/W6807886352","https://openalex.org/W6807906697","https://openalex.org/W6808263334","https://openalex.org/W6809298459","https://openalex.org/W6811098212","https://openalex.org/W6839054739","https://openalex.org/W6840360099","https://openalex.org/W6841781936","https://openalex.org/W6842446277","https://openalex.org/W6848095573"],"related_works":["https://openalex.org/W2136635809","https://openalex.org/W2018409903","https://openalex.org/W2122965290","https://openalex.org/W2039688465","https://openalex.org/W2051369786","https://openalex.org/W4214827030","https://openalex.org/W2955751284","https://openalex.org/W2037413587","https://openalex.org/W2139083838","https://openalex.org/W2937739364"],"abstract_inverted_index":{"The":[0,43,144,158],"pixels":[1],"of":[2,23,35,71,77,94,107,151,160,181,208,216,221,227,234,246,265,268],"remote":[3],"images":[4],"often":[5],"contain":[6],"more":[7],"than":[8],"one":[9],"distinct":[10],"material":[11],"(mixed":[12],"pixels),":[13],"and":[14,47,65,120,122,136,142,162,203,213,244,251,291],"so":[15],"their":[16],"spectra":[17],"are":[18],"characterized":[19],"by":[20],"a":[21,28,92,123],"mixture":[22],"spectral":[24,51,59,153,175],"signals.":[25],"Since":[26,254],"1971,":[27],"shared":[29],"effort":[30],"has":[31],"enabled":[32,259],"the":[33,54,58,68,78,108,112,127,149,152,169,206,217,222,225,232,235,242,247,260,266,287,297,307],"development":[34],"techniques":[36],"for":[37],"retrieving":[38],"information":[39],"from":[40],"mixed":[41],"pixels.":[42],"most":[44],"analyzed,":[45],"implemented,":[46],"employed":[48],"procedure":[49],"is":[50,147,272],"unmixing.":[52],"Among":[53],"extensive":[55],"literature":[56],"on":[57],"unmixing,":[60],"nineteen":[61],"reviews":[62],"were":[63,115,130,155,165,172,185,201],"identified,":[64],"each":[66],"highlighted":[67],"many":[69,292],"shortcomings":[70,267],"spatial":[72,199,252,269,298],"validation.":[73],"Although":[74],"an":[75,104],"overview":[76,106],"approaches":[79,109],"used":[80,301],"to":[81,174,262],"spatially":[82,156],"validate":[83],"could":[84],"be":[85,279],"very":[86],"helpful":[87],"in":[88,117,134,140,187,198,249],"overcoming":[89],"its":[90],"shortcomings,":[91],"review":[93,102],"them":[95],"was":[96],"never":[97],"provided.":[98],"Therefore,":[99],"this":[100,188],"systematic":[101,189],"provides":[103],"updated":[105],"used,":[110],"analyzing":[111,126],"papers":[113,128,184],"that":[114,129,148,171,194,274],"published":[116,131],"2022,":[118],"2021,":[119],"2020,":[121],"dated":[124],"overview,":[125],"not":[132,295,304],"only":[133],"2011":[135],"2010,":[137],"but":[138],"also":[139],"1996":[141],"1995.":[143],"key":[145,196,257,277,288],"criterion":[146],"results":[150],"unmixing":[154,176],"validated.":[157],"Web":[159],"Science":[161],"Scopus":[163],"databases":[164],"searched,":[166],"using":[167],"all":[168,275,286],"names":[170],"assigned":[173],"as":[177],"keywords.":[178],"A":[179],"total":[180],"454":[182],"eligible":[183],"included":[186],"review.":[190],"Their":[191],"analysis":[192],"revealed":[193],"six":[195],"issues":[197,258,278,289],"validation":[200,233,299],"considered":[202],"differently":[204],"addressed:":[205],"number":[207],"validated":[209],"endmembers;":[210],"sample":[211],"sizes":[212],"sampling":[214],"designs":[215],"reference":[218,223,228,236,240],"data;":[219,224,241],"sources":[220],"creation":[226],"fractional":[229],"abundance":[230],"maps;":[231],"data":[237],"with":[238],"other":[239],"minimization":[243],"evaluation":[245],"errors":[248],"co-localization":[250],"resampling.":[253],"addressing":[255],"these":[256,276],"authors":[261,284,293],"overcome":[263],"some":[264],"validation,":[270],"it":[271],"recommended":[273],"addressed":[280,285],"together.":[281],"However,":[282],"few":[283],"together,":[290],"did":[294,303],"specify":[296],"approach":[300],"or":[302],"adequately":[305],"explain":[306],"methods":[308],"employed.":[309]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-03T22:45:19.894376","created_date":"2025-10-10T00:00:00"}