{"id":"https://openalex.org/W2988998374","doi":"https://doi.org/10.1109/igarss.2019.8900564","title":"A Method for Estimating Leaf Area Index From Landsat Data Based On Dart Model And Gaussian Process","display_name":"A Method for Estimating Leaf Area Index From Landsat Data Based On Dart Model And Gaussian Process","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2988998374","doi":"https://doi.org/10.1109/igarss.2019.8900564","mag":"2988998374"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8900564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900564","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100367554","display_name":"Nan Liu","orcid":"https://orcid.org/0000-0003-3610-4883"},"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/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nan Liu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063976189","display_name":"Zhiqiang Xiao","orcid":"https://orcid.org/0000-0001-8245-6762"},"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/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqiang Xiao","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052040890","display_name":"Hanyu Shi","orcid":"https://orcid.org/0000-0001-9954-7062"},"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/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hanyu Shi","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091822202","display_name":"Xuchen Zhan","orcid":"https://orcid.org/0000-0003-1204-7431"},"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/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuchen Zhan","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6550","last_page":"6553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9998999834060669,"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":0.9998999834060669,"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":0.998199999332428,"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/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/dart","display_name":"Dart","score":0.901846170425415},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.757338285446167},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7116180658340454},{"id":"https://openalex.org/keywords/bidirectional-reflectance-distribution-function","display_name":"Bidirectional reflectance distribution function","score":0.5434955954551697},{"id":"https://openalex.org/keywords/gaussian-process","display_name":"Gaussian process","score":0.5162353515625},{"id":"https://openalex.org/keywords/radiative-transfer","display_name":"Radiative transfer","score":0.5057969093322754},{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.49759820103645325},{"id":"https://openalex.org/keywords/atmospheric-radiative-transfer-codes","display_name":"Atmospheric radiative transfer codes","score":0.4910752773284912},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4643901288509369},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.45739421248435974},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4368773102760315},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.39172789454460144},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3605910539627075},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.16461333632469177},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0847613513469696},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.08041828870773315}],"concepts":[{"id":"https://openalex.org/C2779417484","wikidata":"https://www.wikidata.org/wiki/Q406009","display_name":"Dart","level":2,"score":0.901846170425415},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.757338285446167},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7116180658340454},{"id":"https://openalex.org/C151596937","wikidata":"https://www.wikidata.org/wiki/Q856980","display_name":"Bidirectional reflectance distribution function","level":3,"score":0.5434955954551697},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.5162353515625},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.5057969093322754},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.49759820103645325},{"id":"https://openalex.org/C199390426","wikidata":"https://www.wikidata.org/wiki/Q2353151","display_name":"Atmospheric radiative transfer codes","level":3,"score":0.4910752773284912},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4643901288509369},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.45739421248435974},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4368773102760315},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.39172789454460144},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3605910539627075},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16461333632469177},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0847613513469696},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.08041828870773315},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2019.8900564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900564","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.7300000190734863}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2007342648","https://openalex.org/W2073100112","https://openalex.org/W2121196017","https://openalex.org/W2133837084","https://openalex.org/W2141444291","https://openalex.org/W2151647593","https://openalex.org/W2271414963","https://openalex.org/W2610575024"],"related_works":["https://openalex.org/W2352014333","https://openalex.org/W1989928114","https://openalex.org/W2110880541","https://openalex.org/W4226068337","https://openalex.org/W2067703153","https://openalex.org/W2034042331","https://openalex.org/W4205673705","https://openalex.org/W4307629718","https://openalex.org/W3198701072","https://openalex.org/W2067958002"],"abstract_inverted_index":{"Leaf":[0],"area":[1],"index":[2],"(LAI)":[3],"is":[4],"a":[5,82],"key":[6],"parameter":[7],"in":[8,104],"characterizing":[9],"vegetation":[10,46],"canopy.":[11],"In":[12],"this":[13],"paper,":[14],"we":[15,63],"proposed":[16],"an":[17],"efficient":[18],"method":[19],"to":[20,39,54,68],"estimate":[21],"LAI":[22,76,101],"from":[23],"Landsat":[24],"surface":[25],"reflectance":[26,42,56],"data.":[27,75],"The":[28,94],"three-dimensional":[29],"(3-D)":[30],"discrete":[31],"anisotropic":[32],"radiative":[33],"transfer":[34],"(DART)":[35],"model":[36,72],"was":[37,77],"used":[38],"simulate":[40,55],"canopy":[41],"by":[43,79],"constructing":[44],"real":[45],"scenes.":[47],"However,":[48],"it":[49],"took":[50],"too":[51],"much":[52],"time":[53],"because":[57],"of":[58],"its":[59],"computational":[60],"complexity.":[61],"Thus,":[62],"employed":[64],"Gaussian":[65],"process":[66],"(GP)":[67],"emulate":[69],"the":[70,86,99,108],"DART":[71],"using":[73],"simulation":[74],"retrieved":[78,100],"iteratively":[80],"minimizing":[81],"cost":[83],"function":[84],"with":[85,107],"shuffled":[87],"complex":[88],"evolution":[89],"(SCE-UA)":[90],"global":[91],"optimization":[92],"method.":[93],"final":[95],"results":[96],"demonstrated":[97],"that":[98],"values":[102],"are":[103],"good":[105],"agreement":[106],"ground":[109],"reference":[110],"map.":[111]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}