{"id":"https://openalex.org/W3132815626","doi":"https://doi.org/10.1109/igarss39084.2020.9323404","title":"SAR Data for Land Use Land Cover Classification in a Tropical Region with Frequent Cloud Cover","display_name":"SAR Data for Land Use Land Cover Classification in a Tropical Region with Frequent Cloud Cover","publication_year":2020,"publication_date":"2020-09-26","ids":{"openalex":"https://openalex.org/W3132815626","doi":"https://doi.org/10.1109/igarss39084.2020.9323404","mag":"3132815626"},"language":"en","primary_location":{"id":"doi:10.1109/igarss39084.2020.9323404","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323404","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 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/A5004785089","display_name":"Victor Hugo Rohden Prudente","orcid":"https://orcid.org/0000-0002-0211-7099"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"V. H. R. Prudente","raw_affiliation_strings":["University of Maryland, College Park, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006130615","display_name":"Ieda Del\u2019Arco Sanches","orcid":"https://orcid.org/0000-0003-1296-0933"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"I. D. Sanches","raw_affiliation_strings":["Remote Sensing Division, National Institute for Space Research, Sao Jose dos Campos, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, National Institute for Space Research, Sao Jose dos Campos, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028944004","display_name":"Marcos Adami","orcid":"https://orcid.org/0000-0003-4247-4477"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M. Adami","raw_affiliation_strings":["Amazon Regional Center, National Institute for Space Research, Belem, PA, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Amazon Regional Center, National Institute for Space Research, Belem, PA, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036705663","display_name":"Sergii Skakun","orcid":"https://orcid.org/0000-0002-9039-0174"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Skakun","raw_affiliation_strings":["NASA Goddard Space Flight Center Code 619, Greenbelt, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center Code 619, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036149224","display_name":"Lucas Volochen Oldoni","orcid":"https://orcid.org/0000-0002-4434-3465"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"L. V. Oldoni","raw_affiliation_strings":["Remote Sensing Division, National Institute for Space Research, Sao Jose dos Campos, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, National Institute for Space Research, Sao Jose dos Campos, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037400126","display_name":"Har\u00f3n Abrahim Magalh\u00e1es Xaud","orcid":"https://orcid.org/0000-0002-5195-3966"},"institutions":[{"id":"https://openalex.org/I199691007","display_name":"Brazilian Agricultural Research Corporation","ror":"https://ror.org/0482b5b22","country_code":"BR","type":"government","lineage":["https://openalex.org/I199691007"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"H. A. M. Xaud","raw_affiliation_strings":["Embrapa Roraima, Brazilian Agricultural Research Corporation, Boa Vista, RR, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Embrapa Roraima, Brazilian Agricultural Research Corporation, Boa Vista, RR, Brazil","institution_ids":["https://openalex.org/I199691007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021114609","display_name":"Maristela Ramalho Xaud","orcid":"https://orcid.org/0000-0001-5536-2736"},"institutions":[{"id":"https://openalex.org/I199691007","display_name":"Brazilian Agricultural Research Corporation","ror":"https://ror.org/0482b5b22","country_code":"BR","type":"government","lineage":["https://openalex.org/I199691007"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M. R. Xaud","raw_affiliation_strings":["Embrapa Roraima, Brazilian Agricultural Research Corporation, Boa Vista, RR, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Embrapa Roraima, Brazilian Agricultural Research Corporation, Boa Vista, RR, Brazil","institution_ids":["https://openalex.org/I199691007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090982935","display_name":"Y. Zhang","orcid":"https://orcid.org/0009-0004-9525-267X"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. Zhang","raw_affiliation_strings":["University of Maryland, College Park, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4100","last_page":"4103"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9973999857902527,"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":0.9973999857902527,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.996399998664856,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9940999746322632,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.7504520416259766},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7144601345062256},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6193808913230896},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.4585222601890564},{"id":"https://openalex.org/keywords/cloud-cover","display_name":"Cloud cover","score":0.4181884527206421},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.35883015394210815},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.3117830157279968},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3011326193809509}],"concepts":[{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.7504520416259766},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7144601345062256},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6193808913230896},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.4585222601890564},{"id":"https://openalex.org/C206887242","wikidata":"https://www.wikidata.org/wiki/Q830457","display_name":"Cloud cover","level":3,"score":0.4181884527206421},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.35883015394210815},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.3117830157279968},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3011326193809509},{"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/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss39084.2020.9323404","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323404","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15","score":0.7699999809265137}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1984670836","https://openalex.org/W2011500029","https://openalex.org/W2052358442","https://openalex.org/W2090772557","https://openalex.org/W2101234009","https://openalex.org/W2169087452","https://openalex.org/W2514863413","https://openalex.org/W2526952648","https://openalex.org/W2569461747","https://openalex.org/W2598956221","https://openalex.org/W2745131289","https://openalex.org/W2810703830","https://openalex.org/W2890396285","https://openalex.org/W2956041202","https://openalex.org/W3193931302","https://openalex.org/W6675354045"],"related_works":["https://openalex.org/W4244478748","https://openalex.org/W3133615129","https://openalex.org/W2087854757","https://openalex.org/W2188959887","https://openalex.org/W2373152553","https://openalex.org/W3192667092","https://openalex.org/W4389201442","https://openalex.org/W2386169820","https://openalex.org/W604251607","https://openalex.org/W3170595163"],"abstract_inverted_index":{"This":[0],"study":[1,32],"aims":[2],"at":[3],"mapping":[4],"Land":[5,8],"Use":[6],"and":[7,36,46,79,103],"Cover":[9],"(LULC)":[10],"in":[11,60],"the":[12,31,52,57],"region":[13],"of":[14,19],"Roraima,":[15],"Brazil,":[16],"using":[17,38],"time-series":[18],"Sentinel-1":[20,28],"Synthetic":[21],"Aperture":[22],"Radar":[23],"(SAR)":[24],"data.":[25],"All":[26],"available":[27],"images":[29],"covering":[30],"area":[33],"were":[34],"used":[35,71],"classified":[37],"two":[39],"machine":[40],"learning":[41],"algorithms,":[42],"namely":[43],"random":[44],"forest":[45],"multilayer":[47],"perceptron.":[48],"LULC":[49,73],"heterogeneity":[50],"with":[51,93],"SAR":[53,67],"process":[54,58],"complexity":[55],"makes":[56],"challenging":[59],"distinguishing":[61],"certain":[62],"classes.":[63,81],"Results":[64],"show":[65],"that":[66],"data":[68],"could":[69],"be":[70],"for":[72,87,91],"mapping,":[74],"as":[75,98],"rainforest,":[76],"savannas,":[77],"water,":[78],"sandbank/outcrop":[80],"But":[82],"cannot":[83],"provide":[84],"accurate":[85],"separation":[86],"all":[88],"classes,":[89],"mainly":[90],"those":[92],"similar":[94],"geometrical":[95],"structures,":[96],"such":[97],"regeneration":[99],"areas,":[100],"perennial":[101],"crops,":[102],"buritizais.":[104]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-16T13:24:37.021932","created_date":"2025-10-10T00:00:00"}