{"id":"https://openalex.org/W3199983161","doi":"https://doi.org/10.1109/lgrs.2021.3109725","title":"Quantification of Alpine Grassland Fractional Vegetation Cover Retrieval Uncertainty Based on Multiscale Remote Sensing Data","display_name":"Quantification of Alpine Grassland Fractional Vegetation Cover Retrieval Uncertainty Based on Multiscale Remote Sensing Data","publication_year":2021,"publication_date":"2021-09-14","ids":{"openalex":"https://openalex.org/W3199983161","doi":"https://doi.org/10.1109/lgrs.2021.3109725","mag":"3199983161"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2021.3109725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3109725","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101867209","display_name":"Xingchen Lin","orcid":"https://orcid.org/0000-0002-2871-2398"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xingchen Lin","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058500205","display_name":"Jianjun Chen","orcid":"https://orcid.org/0000-0001-9464-3442"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianjun Chen","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029850413","display_name":"Peiqing Lou","orcid":"https://orcid.org/0000-0001-5463-2909"},"institutions":[{"id":"https://openalex.org/I4210106526","display_name":"Northwest Institute of Eco-Environment and Resources","ror":"https://ror.org/01jz1e142","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210106526"]},{"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":"Peiqing Lou","raw_affiliation_strings":["College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China","Cryosphere Research Station on the Qinghai-Tibet Plateau, State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resource, Chinese Academy of Sciences, Lanzhou, 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":"Cryosphere Research Station on the Qinghai-Tibet Plateau, State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resource, Chinese Academy of Sciences, Lanzhou, China","institution_ids":["https://openalex.org/I4210106526","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043693602","display_name":"Shuhua Yi","orcid":"https://orcid.org/0000-0003-4932-8237"},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuhua Yi","raw_affiliation_strings":["Institute of Fragile Eco-environment, School of Geographic Science, Nantong University, Nantong, China"],"affiliations":[{"raw_affiliation_string":"Institute of Fragile Eco-environment, School of Geographic Science, Nantong University, Nantong, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075826136","display_name":"Guoqing Zhou","orcid":"https://orcid.org/0000-0001-8295-0496"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoqing Zhou","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037958005","display_name":"Haotian You","orcid":"https://orcid.org/0000-0002-9881-949X"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haotian You","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China","institution_ids":["https://openalex.org/I38706770"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080535422","display_name":"Xiaowen Han","orcid":"https://orcid.org/0000-0002-7978-1262"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaowen Han","raw_affiliation_strings":["Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China","institution_ids":["https://openalex.org/I38706770"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5101867209"],"corresponding_institution_ids":["https://openalex.org/I38706770"],"apc_list":null,"apc_paid":null,"fwci":1.1563,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.78557404,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"19","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9994000196456909,"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":0.9994000196456909,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9947999715805054,"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"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9908000230789185,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6883776187896729},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5717588663101196},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.531401515007019},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.5271232724189758},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5153031349182129},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.49960756301879883},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4814140796661377},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4666473865509033},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.42805570363998413},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25633376836776733},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.17247271537780762},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.15051215887069702},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.12856101989746094},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08501634001731873},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06675279140472412}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6883776187896729},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5717588663101196},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.531401515007019},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.5271232724189758},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5153031349182129},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.49960756301879883},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4814140796661377},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4666473865509033},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.42805570363998413},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25633376836776733},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.17247271537780762},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.15051215887069702},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.12856101989746094},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08501634001731873},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06675279140472412},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","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/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"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/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2021.3109725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3109725","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.7099999785423279,"id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G1687576563","display_name":null,"funder_award_id":"2018GXNSFBA281075","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"},{"id":"https://openalex.org/G333771893","display_name":null,"funder_award_id":"41801030","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3434470696","display_name":null,"funder_award_id":"2018GXNSFBA281054","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"},{"id":"https://openalex.org/G4107677035","display_name":null,"funder_award_id":"GuikeAD19245032","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"},{"id":"https://openalex.org/G6032162743","display_name":null,"funder_award_id":"41901370","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6104665193","display_name":null,"funder_award_id":"41961065","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"},{"id":"https://openalex.org/F4320322768","display_name":"Natural Science Foundation of Guangxi Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W339441670","https://openalex.org/W1964217023","https://openalex.org/W1965722003","https://openalex.org/W2000102737","https://openalex.org/W2008547125","https://openalex.org/W2035296389","https://openalex.org/W2043273487","https://openalex.org/W2082691405","https://openalex.org/W2109965565","https://openalex.org/W2113410727","https://openalex.org/W2163450852","https://openalex.org/W2166516660","https://openalex.org/W2337542812","https://openalex.org/W2551852156","https://openalex.org/W2588987202","https://openalex.org/W2594631338","https://openalex.org/W2894712623","https://openalex.org/W2911964244","https://openalex.org/W2985395426","https://openalex.org/W2989983865","https://openalex.org/W6636950212"],"related_works":["https://openalex.org/W2009107604","https://openalex.org/W2042396956","https://openalex.org/W2134500407","https://openalex.org/W2344420589","https://openalex.org/W2076158371","https://openalex.org/W2507283493","https://openalex.org/W3207265930","https://openalex.org/W2161197664","https://openalex.org/W3179172209","https://openalex.org/W4292553460"],"abstract_inverted_index":{"Fractional":[0],"vegetation":[1],"cover":[2],"(FVC)":[3],"retrieval":[4,53,69,145,222],"results":[5,112,171,182],"of":[6,43,51,63,117,130,137,153,165,219],"high":[7],"spatial":[8,29,45,64,131,186],"resolution":[9,30],"satellite":[10,31],"remote":[11,32],"sensing":[12,33],"images":[13],"are":[14],"usually":[15],"upscaled":[16],"as":[17,122],"training":[18,123],"and":[19,91,124,140,189],"validation":[20,125],"data":[21,126],"(FVC":[22,79],"<sub":[23,80,119],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[24,81,120],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">UIH</sub>":[25,121],")":[26,83],"for":[27,216],"low":[28],"images.":[34],"However,":[35],"few":[36],"studies":[37],"have":[38],"focused":[39],"on":[40,48,67,72,143,225],"the":[41,44,49,61,94,103,107,115,128,151,154,159,163,166,177,195,200,207,217],"impact":[42],"scale":[46,65,132,187],"conversion":[47,66,133,188],"evaluation":[50],"FVC":[52,68,73,118,138,144,167,197,221],"accuracy.":[54],"In":[55,149],"this":[56],"study,":[57],"we":[58],"first":[59],"investigated":[60],"influence":[62,142],"accuracy":[70,223],"based":[71,224],"measured":[74,160],"by":[75,106,175,205],"unmanned":[76],"aerial":[77],"vehicle":[78],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">UAV</sub>":[82],"at":[84,158],"three":[85],"scales":[86],"(Sentinel-2":[87],"MSI,":[88],"Landsat-8":[89],"OLI,":[90],"MODIS).":[92],"Then,":[93],"NDVI":[95],"threshold":[96],"method":[97],"is":[98],"proposed":[99],"to":[100,135],"further":[101],"analyze":[102],"uncertainty":[104,152,164],"caused":[105],"underlying":[108,155,178,190,208],"surface":[109,156,179,191,209],"heterogeneity.":[110,180,210],"The":[111],"showed":[113],"that":[114,184],"use":[116],"in":[127],"process":[129],"led":[134],"overestimation":[136],"accuracy,":[139],"its":[141],"cannot":[146],"be":[147,173,203],"ignored.":[148],"addition,":[150],"heterogeneity":[157,192],"sites":[161],"increased":[162],"retrieval,":[168,198],"while":[169,199],"these":[170],"could":[172,202],"optimized":[174,204],"detecting":[176,206],"Our":[181],"suggested":[183],"both":[185],"would":[193],"cause":[194],"inaccurate":[196],"latter":[201],"This":[211],"study":[212],"provided":[213],"a":[214],"reference":[215],"improvement":[218],"multiscale":[220],"single-scale":[226],"FVC-measured":[227],"data.":[228]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
