{"id":"https://openalex.org/W2901977158","doi":"https://doi.org/10.1109/igarss.2018.8518709","title":"The Combined Use of Sentinel-1, Sentinel-2 and Landsat 7&amp;8 Data for Estimating Heading Date of Paddy Rice","display_name":"The Combined Use of Sentinel-1, Sentinel-2 and Landsat 7&amp;8 Data for Estimating Heading Date of Paddy Rice","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901977158","doi":"https://doi.org/10.1109/igarss.2018.8518709","mag":"2901977158"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8518709","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518709","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5017951969","display_name":"K. Wakamori","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156214","display_name":"Japan Space Forum","ror":"https://ror.org/05vg8h197","country_code":"JP","type":"other","lineage":["https://openalex.org/I4210156214"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Wakamori","raw_affiliation_strings":["Japan Manned Space Systems Corporation, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Manned Space Systems Corporation, Japan","institution_ids":["https://openalex.org/I4210156214"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081058882","display_name":"Dorj Ichikawa","orcid":"https://orcid.org/0000-0003-3304-0837"},"institutions":[{"id":"https://openalex.org/I4210156214","display_name":"Japan Space Forum","ror":"https://ror.org/05vg8h197","country_code":"JP","type":"other","lineage":["https://openalex.org/I4210156214"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"D. Ichikawa","raw_affiliation_strings":["Japan Manned Space Systems Corporation, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Japan Manned Space Systems Corporation, Japan","institution_ids":["https://openalex.org/I4210156214"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210156214"],"apc_list":null,"apc_paid":null,"fwci":0.2687,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.59264655,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"7715","last_page":"7718"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9983000159263611,"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"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9983000159263611,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9980999827384949,"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"}},{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9829000234603882,"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/heading","display_name":"Heading (navigation)","score":0.8826813697814941},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6311432719230652},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.45658037066459656},{"id":"https://openalex.org/keywords/paddy-field","display_name":"Paddy field","score":0.45085611939430237},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39568179845809937},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.39260244369506836},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.24189558625221252},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.1816975474357605},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13793271780014038}],"concepts":[{"id":"https://openalex.org/C2776937971","wikidata":"https://www.wikidata.org/wiki/Q4384217","display_name":"Heading (navigation)","level":2,"score":0.8826813697814941},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6311432719230652},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.45658037066459656},{"id":"https://openalex.org/C85582077","wikidata":"https://www.wikidata.org/wiki/Q842623","display_name":"Paddy field","level":2,"score":0.45085611939430237},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39568179845809937},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.39260244369506836},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.24189558625221252},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.1816975474357605},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13793271780014038},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","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/igarss.2018.8518709","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518709","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.5899999737739563,"display_name":"Zero hunger"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2068008269","https://openalex.org/W2228578885","https://openalex.org/W2772254444","https://openalex.org/W6688924736"],"related_works":["https://openalex.org/W4244052565","https://openalex.org/W2358719579","https://openalex.org/W4252778923","https://openalex.org/W2385042721","https://openalex.org/W2367929022","https://openalex.org/W2351754530","https://openalex.org/W2378649906","https://openalex.org/W2013329914","https://openalex.org/W2392383081","https://openalex.org/W1618102658"],"abstract_inverted_index":{"The":[0,126],"authors":[1],"have":[2,83],"developed":[3],"monitoring":[4,27],"system":[5,28,40,68],"for":[6,25,114],"rice":[7,116,137],"growth":[8],"status":[9],"in":[10,38,77,138],"the":[11,21,26,30,35,39,44,47,53,56,67,86,108,118,132],"Tohoku":[12],"region":[13],"of":[14,20,49,55,66,74,98,111,121,135,141],"Japan":[15],"using":[16,93,117,147],"satellite":[17,100],"data.":[18,101],"One":[19],"important":[22],"input":[23],"parameters":[24],"is":[29,59],"heading":[31,36,87,112,133],"date.":[32],"Until":[33],"now,":[34],"dates":[37],"are":[41],"provided":[42],"by":[43,92,145],"users":[45,65],"on":[46],"base":[48],"field":[50,76],"records.":[51],"However,":[52],"collection":[54],"data":[57,95],"records":[58],"time":[60],"consuming":[61],"work":[62],"and":[63,124],"all":[64],"cannot":[69],"provide":[70],"a":[71],"hearing":[72],"date":[73,88,113,134],"each":[75],"time.":[78],"For":[79],"this":[80,103],"reason,":[81],"we":[82,105],"investigated":[84],"whether":[85],"can":[89],"be":[90],"estimated":[91],"SAR":[94],"with":[96],"NDVI":[97,148],"optical":[99],"In":[102],"paper,":[104],"will":[106],"present":[107],"estimation":[109],"method":[110],"paddy":[115,136],"dual":[119],"polarization":[120],"Sentinel":[122],"1A":[123],"1B.":[125],"result":[127],"shows":[128],"potentiality":[129],"to":[130],"estimate":[131],"error":[139],"range":[140],"about":[142],"6":[143],"days":[144],"combined":[146],"changes.":[149]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
