{"id":"https://openalex.org/W1965587513","doi":"https://doi.org/10.1109/lgrs.2015.2419135","title":"Evaluation of Topographic Correction on Subpixel Impervious Cover Mapping With CBERS-2B Data","display_name":"Evaluation of Topographic Correction on Subpixel Impervious Cover Mapping With CBERS-2B Data","publication_year":2015,"publication_date":"2015-04-30","ids":{"openalex":"https://openalex.org/W1965587513","doi":"https://doi.org/10.1109/lgrs.2015.2419135","mag":"1965587513"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2015.2419135","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2015.2419135","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/A5079984408","display_name":"Yang Shao","orcid":"https://orcid.org/0000-0002-4870-7406"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yang Shao","raw_affiliation_strings":["Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078701184","display_name":"Gina Li","orcid":"https://orcid.org/0000-0003-4961-5316"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gina L. Li","raw_affiliation_strings":["Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028647874","display_name":"Eric Guenther","orcid":"https://orcid.org/0009-0007-4141-2051"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eric Guenther","raw_affiliation_strings":["Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001448773","display_name":"James B. Campbell","orcid":"https://orcid.org/0000-0002-2617-7272"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James B. Campbell","raw_affiliation_strings":["Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Dept. of Geogr., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5079984408"],"corresponding_institution_ids":["https://openalex.org/I859038795"],"apc_list":null,"apc_paid":null,"fwci":1.8283,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.84382188,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"12","issue":"8","first_page":"1675","last_page":"1679"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9988999962806702,"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":0.9988999962806702,"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/T10766","display_name":"Urban Heat Island Mitigation","score":0.9983999729156494,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9980999827384949,"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/subpixel-rendering","display_name":"Subpixel rendering","score":0.9488356709480286},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7688084840774536},{"id":"https://openalex.org/keywords/impervious-surface","display_name":"Impervious surface","score":0.6157124042510986},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.5384507179260254},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.512799084186554},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.4834778904914856},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.42610400915145874},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4151984751224518},{"id":"https://openalex.org/keywords/satellite-imagery","display_name":"Satellite imagery","score":0.4141184091567993},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.35000383853912354},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33509010076522827},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2975923418998718},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.26276999711990356},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22760024666786194},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.22725173830986023},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.17549580335617065},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11382120847702026}],"concepts":[{"id":"https://openalex.org/C68516990","wikidata":"https://www.wikidata.org/wiki/Q452912","display_name":"Subpixel rendering","level":3,"score":0.9488356709480286},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7688084840774536},{"id":"https://openalex.org/C2668921","wikidata":"https://www.wikidata.org/wiki/Q1434713","display_name":"Impervious surface","level":2,"score":0.6157124042510986},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.5384507179260254},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.512799084186554},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.4834778904914856},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.42610400915145874},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4151984751224518},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.4141184091567993},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.35000383853912354},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33509010076522827},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2975923418998718},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.26276999711990356},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22760024666786194},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.22725173830986023},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.17549580335617065},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11382120847702026},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2015.2419135","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2015.2419135","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":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W48146052","https://openalex.org/W1869733791","https://openalex.org/W1980378639","https://openalex.org/W2013160204","https://openalex.org/W2024747153","https://openalex.org/W2033430899","https://openalex.org/W2046339565","https://openalex.org/W2049827513","https://openalex.org/W2050830693","https://openalex.org/W2057330951","https://openalex.org/W2098149888","https://openalex.org/W2112614772","https://openalex.org/W2127495569","https://openalex.org/W2135053426","https://openalex.org/W2163980598","https://openalex.org/W2181355678","https://openalex.org/W6601962750","https://openalex.org/W6664883639","https://openalex.org/W6685575056"],"related_works":["https://openalex.org/W2369528593","https://openalex.org/W2385629811","https://openalex.org/W2638735979","https://openalex.org/W2111510641","https://openalex.org/W2738109983","https://openalex.org/W2386795888","https://openalex.org/W1968995436","https://openalex.org/W2382389562","https://openalex.org/W2054875742","https://openalex.org/W2056216430"],"abstract_inverted_index":{"This":[0],"study":[1],"compared":[2,199],"the":[3,131,144,147,151,155,189,201,221],"effectiveness":[4],"of":[5,21,102,224],"six":[6],"commonly":[7],"used":[8,41,58],"topographic":[9,37,109,171],"correction":[10,110,172],"methods":[11],"for":[12,44,126,183,213,227],"subpixel":[13,45,62,228],"impervious":[14,46,63,84,103,229],"surface":[15,230],"mapping":[16],"in":[17,169,206],"selected":[18,36],"mountainous":[19],"areas":[20,127],"Southwest":[22],"Virginia.":[23],"One":[24],"2008":[25],"China-Brazil":[26],"Earth":[27],"Remote":[28],"Sensing":[29],"2B":[30],"(CBERS-2B)":[31],"image":[32],"was":[33],"processed":[34],"using":[35,170,191],"algorithms":[38,173],"and":[39,73,83,96,150,157,174,194],"then":[40,69],"as":[42,65,100],"input":[43],"cover":[47,64],"mapping.":[48,231],"High-resolution":[49],"National":[50],"Agriculture":[51],"Imagery":[52],"Program":[53],"(1-m":[54],"resolution)":[55],"images":[56],"were":[57,123,217],"to":[59,77,180,200],"build":[60],"proportional":[61],"training/validation":[66],"data.":[67,203],"We":[68,186],"applied":[70],"a":[71],"classification":[72],"regression":[74],"tree":[75],"algorithm":[76],"establish":[78],"relationships":[79],"between":[80],"CBERS":[81,225],"signals":[82],"surfaces.":[85],"Accuracy":[86],"assessment":[87,178],"showed":[88],"that":[89,164,175],"both":[90],"R":[91,207],"<sup":[92,116,208],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[93,117,209],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[94,118,210],"(0.644-0.767)":[95],"RMSE":[97],"(0.118-0.150,":[98],"reported":[99],"proportion":[101],"surface)":[104],"values":[105],"vary":[106],"across":[107],"different":[108],"algorithms.":[111],"The":[112,204],"accuracy":[113,177],"differences":[114,205],"(R":[115],":":[119],"0.448-0.771;":[120],"RMSE:":[121],"0.118-0.247)":[122],"most":[124],"pronounced":[125],"facing":[128],"away":[129],"from":[130],"sun":[132],"azimuth":[133],"angle,":[134],"suggesting":[135,220],"aspect-sun":[136],"azimuth-dependent":[137],"map":[138],"accuracy.":[139],"For":[140],"terrain":[141],"shadowing":[142],"areas,":[143],"Minnaert":[145],"method,":[146,149],"minslope":[148],"C-correction":[152],"substantially":[153],"outperformed":[154],"cosine":[156,159],"improved":[158],"correction.":[160],"These":[161],"findings":[162],"indicate":[163],"users":[165],"should":[166],"apply":[167],"caution":[168],"aspect-stratified":[176],"needs":[179],"be":[181],"conducted":[182],"detailed":[184],"comparisons.":[185],"also":[187],"repeated":[188],"analyses":[190],"Landsat":[192],"TM":[193],"obtained":[195],"better":[196],"overall":[197],"results":[198],"CBERS-2B":[202],"(or":[211],"RMSE)":[212],"two":[214],"data":[215,226],"sources":[216],"not":[218],"substantial,":[219],"high":[222],"potential":[223]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
