{"id":"https://openalex.org/W2013018318","doi":"https://doi.org/10.1109/jstars.2014.2312231","title":"A Sampling Strategy for Remotely Sensed LAI Product Validation Over Heterogeneous Land Surfaces","display_name":"A Sampling Strategy for Remotely Sensed LAI Product Validation Over Heterogeneous Land Surfaces","publication_year":2014,"publication_date":"2014-04-04","ids":{"openalex":"https://openalex.org/W2013018318","doi":"https://doi.org/10.1109/jstars.2014.2312231","mag":"2013018318"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2014.2312231","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2312231","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/A5067681796","display_name":"Yelu Zeng","orcid":"https://orcid.org/0000-0003-4267-1841"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yelu Zeng","raw_affiliation_strings":["College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112559416","display_name":"Jing Li","orcid":"https://orcid.org/0000-0001-9736-5732"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Li","raw_affiliation_strings":["Chinese Academy of Sciences, Beijing Normal University, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018009227","display_name":"Qinhuo Liu","orcid":"https://orcid.org/0000-0002-3713-9511"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qinhuo Liu","raw_affiliation_strings":["Chinese Academy of Sciences, Beijing Normal University, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108910953","display_name":"Longhui Li","orcid":"https://orcid.org/0000-0002-2099-6744"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Longhui Li","raw_affiliation_strings":["Plant Functional Biology and Climate Change Cluster (C3), University of Technology, Sydney, Australia","[Plant Functional Biology and Climate Change Cluster (C3), University of Technology, Sydney, Australia]"],"affiliations":[{"raw_affiliation_string":"Plant Functional Biology and Climate Change Cluster (C3), University of Technology, Sydney, Australia","institution_ids":["https://openalex.org/I114017466"]},{"raw_affiliation_string":"[Plant Functional Biology and Climate Change Cluster (C3), University of Technology, Sydney, Australia]","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027682300","display_name":"Baodong Xu","orcid":"https://orcid.org/0000-0002-2068-8610"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Baodong Xu","raw_affiliation_strings":["College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005934331","display_name":"Gaofei Yin","orcid":"https://orcid.org/0000-0002-9828-7139"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gaofei Yin","raw_affiliation_strings":["College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102854734","display_name":"Jingjing Peng","orcid":"https://orcid.org/0000-0001-6512-2066"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjing Peng","raw_affiliation_strings":["College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]"],"affiliations":[{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"[State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing Normal University, Beijing, China]","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5067681796"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210165038"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":3.1007,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.90176991,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"7","issue":"7","first_page":"3128","last_page":"3142"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9855999946594238,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.7954842448234558},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.7505220174789429},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6792190074920654},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.6725764274597168},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6562653183937073},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5229694843292236},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5097469687461853},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.4961460530757904},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.45914173126220703},{"id":"https://openalex.org/keywords/enhanced-vegetation-index","display_name":"Enhanced vegetation index","score":0.4411658048629761},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.41485878825187683},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.32359278202056885},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3182581067085266},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.2710319757461548},{"id":"https://openalex.org/keywords/vegetation-index","display_name":"Vegetation Index","score":0.2700175642967224},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.26567333936691284},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1579027771949768}],"concepts":[{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.7954842448234558},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.7505220174789429},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6792190074920654},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.6725764274597168},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6562653183937073},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5229694843292236},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5097469687461853},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.4961460530757904},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.45914173126220703},{"id":"https://openalex.org/C78869512","wikidata":"https://www.wikidata.org/wiki/Q5378810","display_name":"Enhanced vegetation index","level":5,"score":0.4411658048629761},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.41485878825187683},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.32359278202056885},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3182581067085266},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.2710319757461548},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.2700175642967224},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26567333936691284},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1579027771949768},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2014.2312231","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2312231","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"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/36136","is_oa":false,"landing_page_url":"http://hdl.handle.net/10453/36136","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.6899999976158142,"id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G3664521330","display_name":null,"funder_award_id":"41271366","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4347837867","display_name":null,"funder_award_id":"2012AA12A304","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G82534181","display_name":null,"funder_award_id":"2012AA12A305","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W61452412","https://openalex.org/W1971429204","https://openalex.org/W1976784693","https://openalex.org/W1986134545","https://openalex.org/W1986767077","https://openalex.org/W1992226275","https://openalex.org/W1998776407","https://openalex.org/W2016085577","https://openalex.org/W2017010640","https://openalex.org/W2023312901","https://openalex.org/W2032571483","https://openalex.org/W2037664828","https://openalex.org/W2044624560","https://openalex.org/W2049763161","https://openalex.org/W2049782549","https://openalex.org/W2049938603","https://openalex.org/W2058214432","https://openalex.org/W2065812289","https://openalex.org/W2083053342","https://openalex.org/W2084829975","https://openalex.org/W2085079168","https://openalex.org/W2094208106","https://openalex.org/W2097110832","https://openalex.org/W2104094730","https://openalex.org/W2108134942","https://openalex.org/W2110577024","https://openalex.org/W2114088565","https://openalex.org/W2115049406","https://openalex.org/W2120882009","https://openalex.org/W2121025745","https://openalex.org/W2124233655","https://openalex.org/W2131126673","https://openalex.org/W2133497656","https://openalex.org/W2152721423","https://openalex.org/W2152809678","https://openalex.org/W2154964583","https://openalex.org/W2157334214","https://openalex.org/W2166964044","https://openalex.org/W2167248655","https://openalex.org/W2624803523","https://openalex.org/W2753355986","https://openalex.org/W2785536534","https://openalex.org/W4211131047"],"related_works":["https://openalex.org/W4387131574","https://openalex.org/W4378980784","https://openalex.org/W4377008735","https://openalex.org/W3204926808","https://openalex.org/W2374167006","https://openalex.org/W2144855297","https://openalex.org/W3183766399","https://openalex.org/W3173165341","https://openalex.org/W2921646734","https://openalex.org/W3207046288"],"abstract_inverted_index":{"The":[0,103,118],"development":[1],"of":[2,15,81,96,105,148,173,179],"efficient":[3],"and":[4,90,115,154,193,209],"systematic":[5],"groundbased":[6],"spatial":[7,94],"sampling":[8,33,160,187],"strategies":[9],"is":[10,43,63],"critical":[11],"for":[12,175],"the":[13,56,61,68,79,93,106,122,137,145,158,176,185,194,206,215],"validation":[14,217],"medium-resolution":[16],"satellite-derived":[17],"leaf":[18],"area":[19,70,130],"index":[20,39],"(LAI)":[21],"products,":[22],"particularly":[23],"over":[24,51,218],"heterogeneous":[25,52,129,219],"land":[26,220],"surfaces.":[27,221],"In":[28],"this":[29],"paper,":[30],"a":[31,59,99,128,167],"new":[32],"strategy":[34,161,188],"based":[35,162],"on":[36,163],"high-resolution":[37],"vegetation":[38,113,133,164],"prior":[40],"knowledge":[41],"(SSVIP)":[42],"proposed":[44,107],"to":[45,65,83],"generate":[46],"accurate":[47],"LAI":[48,138,150],"reference":[49,139],"maps":[50,140],"areas.":[53],"To":[54],"capture":[55],"variability":[57],"across":[58],"site,":[60],"SSVIP":[62,123,143,181,201],"designed":[64],"1)":[66],"stratify":[67],"nonhomogeneous":[69],"into":[71,131],"zones":[72],"with":[73,98,184],"minimum":[74],"within-class":[75],"variance;":[76],"2)":[77],"assign":[78],"number":[80,178],"samples":[82,97,198],"each":[84],"zone":[85],"using":[86,111],"Neyman":[87],"optimal":[88],"allocation;":[89],"3)":[91],"determine":[92],"distribution":[95],"nearest":[100],"neighbor":[101],"index.":[102],"efficiency":[104],"method":[108],"was":[109,182],"examined":[110],"different":[112,132],"types":[114],"pixel":[116],"heterogeneities.":[117],"results":[119,195],"indicate":[120],"that":[121,197],"approach":[124],"can":[125],"properly":[126],"divide":[127],"cover":[134],"zones.":[135],"Whereas":[136],"generated":[141],"by":[142,200],"attain":[144],"target":[146],"accuracy":[147],"0.1":[149],"units":[151],"in":[152,205],"cropland":[153],"broadleaf":[155],"forest":[156],"sites,":[157,192],"current":[159,186],"type":[165],"has":[166],"root":[168],"mean":[169],"square":[170],"error":[171],"(RMSE)":[172],"0.14":[174],"same":[177],"samples.":[180],"compared":[183],"at":[189],"24":[190],"VALERI":[191],"suggested":[196],"selected":[199],"were":[202],"more":[203],"representative":[204],"feature":[207],"space":[208],"geographical":[210],"space,":[211],"which":[212],"further":[213],"indicated":[214],"reasonable":[216]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":4}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}