{"id":"https://openalex.org/W4408235960","doi":"https://doi.org/10.1109/tgrs.2025.3549296","title":"A Two-Step Method for Monitoring Annual Paddy Rice Planted Area in Tropical Region by Integrating Rice Identification and Cropping Intensity Estimation","display_name":"A Two-Step Method for Monitoring Annual Paddy Rice Planted Area in Tropical Region by Integrating Rice Identification and Cropping Intensity Estimation","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4408235960","doi":"https://doi.org/10.1109/tgrs.2025.3549296"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2025.3549296","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3549296","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5083693075","display_name":"Junbin Li","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Junbin Li","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0006-5794-4864","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002818077","display_name":"Hongwei Zeng","orcid":"https://orcid.org/0000-0003-0714-5539"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Hongwei Zeng","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-0714-5539","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003789913","display_name":"Miao Zhang","orcid":"https://orcid.org/0000-0002-4021-2492"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Miao Zhang","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4021-2492","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010666672","display_name":"Bingfang Wu","orcid":"https://orcid.org/0000-0001-5546-365X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Bingfang Wu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-5546-365X","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047877071","display_name":"Yuanwei Qin","orcid":"https://orcid.org/0000-0002-5181-9986"},"institutions":[{"id":"https://openalex.org/I8692664","display_name":"University of Oklahoma","ror":"https://ror.org/02aqsxs83","country_code":"US","type":"education","lineage":["https://openalex.org/I8692664"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuanwei Qin","raw_affiliation_strings":["School of Biological Sciences, Center for Earth Observation and Modeling, The University of Oklahoma, Norman, OK, USA","Center for Earth Observation and Modeling, School of Biological Sciences, University of Oklahoma, Norman, OK, USA"],"raw_orcid":"https://orcid.org/0000-0002-5181-9986","affiliations":[{"raw_affiliation_string":"School of Biological Sciences, Center for Earth Observation and Modeling, The University of Oklahoma, Norman, OK, USA","institution_ids":["https://openalex.org/I8692664"]},{"raw_affiliation_string":"Center for Earth Observation and Modeling, School of Biological Sciences, University of Oklahoma, Norman, OK, USA","institution_ids":["https://openalex.org/I8692664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101904638","display_name":"Yan Xie","orcid":"https://orcid.org/0000-0002-5673-8472"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Yan Xie","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057484252","display_name":"Sven Gilliams","orcid":"https://orcid.org/0000-0003-2243-2632"},"institutions":[{"id":"https://openalex.org/I1335690228","display_name":"World Meteorological Organization","ror":"https://ror.org/011pjwf87","country_code":"CH","type":"government","lineage":["https://openalex.org/I1335690228"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Sven Gilliams","raw_affiliation_strings":["Group on Earth Observations Global Agricultural Monitoring (GEOGLAM), Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Group on Earth Observations Global Agricultural Monitoring (GEOGLAM), Geneva, Switzerland","institution_ids":["https://openalex.org/I1335690228"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030474186","display_name":"Yuting Luo","orcid":"https://orcid.org/0000-0003-4502-8659"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"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":"Yuting Luo","raw_affiliation_strings":["State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Aerospace Information Research Institute, State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03236018,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9036999940872192,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9036999940872192,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cropping","display_name":"Cropping","score":0.7259128093719482},{"id":"https://openalex.org/keywords/intensity","display_name":"Intensity (physics)","score":0.6063051819801331},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5652673244476318},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5645282864570618},{"id":"https://openalex.org/keywords/paddy-field","display_name":"Paddy field","score":0.5626658201217651},{"id":"https://openalex.org/keywords/tropics","display_name":"Tropics","score":0.5410252213478088},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.538234531879425},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5050671696662903},{"id":"https://openalex.org/keywords/multiple-cropping","display_name":"Multiple cropping","score":0.48378393054008484},{"id":"https://openalex.org/keywords/agricultural-engineering","display_name":"Agricultural engineering","score":0.45438963174819946},{"id":"https://openalex.org/keywords/agroforestry","display_name":"Agroforestry","score":0.3700844347476959},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.33855128288269043},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.16728362441062927},{"id":"https://openalex.org/keywords/agriculture","display_name":"Agriculture","score":0.14371195435523987},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09856200218200684},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.09140178561210632},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.07248958945274353},{"id":"https://openalex.org/keywords/sowing","display_name":"Sowing","score":0.0649438202381134}],"concepts":[{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.7259128093719482},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.6063051819801331},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5652673244476318},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5645282864570618},{"id":"https://openalex.org/C85582077","wikidata":"https://www.wikidata.org/wiki/Q842623","display_name":"Paddy field","level":2,"score":0.5626658201217651},{"id":"https://openalex.org/C50660011","wikidata":"https://www.wikidata.org/wiki/Q42530","display_name":"Tropics","level":2,"score":0.5410252213478088},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.538234531879425},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5050671696662903},{"id":"https://openalex.org/C93990901","wikidata":"https://www.wikidata.org/wiki/Q3610518","display_name":"Multiple cropping","level":3,"score":0.48378393054008484},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.45438963174819946},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.3700844347476959},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.33855128288269043},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.16728362441062927},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.14371195435523987},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09856200218200684},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.09140178561210632},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.07248958945274353},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.0649438202381134},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","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/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2025.3549296","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3549296","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7699999809265137,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"awards":[{"id":"https://openalex.org/G4579397769","display_name":null,"funder_award_id":"2022125","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G99956084","display_name":"\u827e\u6bd4\u6e56\u6d41\u57df\u519c\u7530\u751f\u6001\u7cfb\u7edf\u4e0e\u98ce\u573a\u76f8\u4e92\u4f5c\u7528\u7684\u751f\u6001\u6c34\u6587\u6548\u5e94","funder_award_id":"42071271","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W600580655","https://openalex.org/W1968718753","https://openalex.org/W2058723831","https://openalex.org/W2066986530","https://openalex.org/W2118631019","https://openalex.org/W2133941557","https://openalex.org/W2275650184","https://openalex.org/W2279106898","https://openalex.org/W2290326488","https://openalex.org/W2468363661","https://openalex.org/W2520905560","https://openalex.org/W2555988103","https://openalex.org/W2725897987","https://openalex.org/W2811040116","https://openalex.org/W2939118835","https://openalex.org/W2944708990","https://openalex.org/W2948917077","https://openalex.org/W2981007357","https://openalex.org/W3091952054","https://openalex.org/W3125359252","https://openalex.org/W3127347439","https://openalex.org/W3162245054","https://openalex.org/W3175069846","https://openalex.org/W3181788155","https://openalex.org/W4200374549","https://openalex.org/W4282034795","https://openalex.org/W4310815789","https://openalex.org/W4312039421","https://openalex.org/W4360797032","https://openalex.org/W4362566657","https://openalex.org/W4385469601","https://openalex.org/W4386018724","https://openalex.org/W4388822934","https://openalex.org/W4391885978","https://openalex.org/W4394744137","https://openalex.org/W4400772223","https://openalex.org/W4401837761","https://openalex.org/W4401937087","https://openalex.org/W6737947904"],"related_works":["https://openalex.org/W2549150757","https://openalex.org/W257643067","https://openalex.org/W2372716188","https://openalex.org/W2725528284","https://openalex.org/W2799942262","https://openalex.org/W2503250445","https://openalex.org/W2528571603","https://openalex.org/W2127700645","https://openalex.org/W2381799921","https://openalex.org/W2012584285"],"abstract_inverted_index":{"Accurate":[0],"assessment":[1],"of":[2,15,28,59,89,121,152,166,177,186,232,268,278],"paddy":[3,47,97,153,188,228,280],"rice":[4,48,79,98,111,134,142,154,189,229,281],"planted":[5,49,230,282],"area":[6,50,231],"is":[7,21],"challenging":[8],"in":[9,37,125,225,250,275,284],"tropical":[10,289],"regions":[11,290],"where":[12,291],"the":[13,25,52,57,85,105,149,171,187,199,227,248,251,266,276],"availability":[14],"optical":[16,61,123,292],"satellite":[17],"data":[18,64,95,274,293],"and":[19,30,65,71,80,100,129,141,197,287],"samples":[20,82],"limited":[22],"due":[23],"to":[24,44,77,107,195,213,247],"high":[26],"prevalence":[27],"cloudy":[29,286],"rainy":[31,288],"periods.":[32],"This":[33],"study,":[34],"carried":[35],"out":[36],"Vietnam,":[38],"presents":[39],"a":[40,126],"novel":[41],"two-step":[42],"method":[43,74],"estimate":[45],"annual":[46,279],"at":[51],"10-m":[53],"spatial":[54,112],"resolution":[55],"overcoming":[56],"limitations":[58],"scarce":[60],"remote":[62],"sensing":[63],"ground-truth":[66],"samples.":[67],"First,":[68],"an":[69],"easy":[70],"effective":[72],"visualization":[73],"was":[75,115,156,234],"designed":[76],"collect":[78],"nonrice":[81],"based":[83],"on":[84],"significant":[86],"color":[87],"difference":[88,173],"consecutive":[90],"three":[91],"monthly":[92,159],"VH":[93,160],"composite":[94],"between":[96],"fields":[99,155],"other":[101],"land":[102],"covers":[103],"during":[104],"flooding":[106],"transplanting":[108],"stage.":[109],"Second,":[110],"distribution":[113],"information":[114],"extracted":[116],"by":[117,139,145,163,254],"taking":[118],"full":[119],"advantage":[120],"coarse":[122],"imagery":[124],"spatialtemporal":[127],"continuum":[128],"Sentinel-1/2":[130],"images":[131],"combined":[132],"with":[133],"potential":[135],"zone":[136],"(RPZ)":[137],"generation":[138],"threshold":[140],"fine":[143],"classification":[144],"random":[146],"forest.":[147],"Third,":[148],"cropping":[150],"intensity":[151],"identified":[157],"from":[158,193,205],"bands":[161],"smoothed":[162],"harmonic":[164],"analysis":[165],"time":[167],"series":[168],"(HANTS)":[169],"using":[170],"quadratic":[172],"method.":[174],"The":[175,263],"utilization":[176],"RPZ":[178],"improved":[179],"<inline-formula":[180,206,214,237],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[181,207,215,238,257],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[182,208,216,239,258],"<tex-math":[183,209,217,240,259],"notation=\"LaTeX\">$R^{2}$":[184],"</tex-math></inline-formula>":[185,212,220,243],"fields\u2019":[190],"identification":[191],"accuracy":[192],"0.78":[194],"0.97":[196],"reduced":[198],"root":[200],"mean":[201],"square":[202],"error":[203],"(RMSE)":[204],"notation=\"LaTeX\">$69.28\\times":[210],"10^{3}$":[211,219,242],"notation=\"LaTeX\">$31.54\\times":[218],"ha.":[221],"Results":[222],"indicate":[223],"that":[224],"2020,":[226],"Vietnam":[233],"estimated":[235],"as":[236],"notation=\"LaTeX\">$6264.9\\times":[241],"ha,":[244],"strongly":[245],"corresponding":[246],"estimation":[249,277],"statistical":[252],"yearbook":[253],"province":[255],"(<inline-formula":[256],"notation=\"LaTeX\">$R^{2}":[260],"=0.97$":[261],"</tex-math></inline-formula>).":[262],"study":[264],"demonstrated":[265],"effectiveness":[267],"Sentinel-1":[269],"synthetic":[270],"aperture":[271],"radar":[272],"(SAR)":[273],"areas":[283],"frequently":[285],"are":[294],"scarce.":[295]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}