{"id":"https://openalex.org/W2076208593","doi":"https://doi.org/10.1109/jstars.2013.2282641","title":"Rice Biomass Estimation Using Radar Backscattering Data at S-band","display_name":"Rice Biomass Estimation Using Radar Backscattering Data at S-band","publication_year":2013,"publication_date":"2013-10-03","ids":{"openalex":"https://openalex.org/W2076208593","doi":"https://doi.org/10.1109/jstars.2013.2282641","mag":"2076208593"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2013.2282641","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2013.2282641","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5029634289","display_name":"Mingquan Jia","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingquan Jia","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017195934","display_name":"Ling Tong","orcid":"https://orcid.org/0000-0003-1883-7792"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ling Tong","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101948009","display_name":"Yuanzhi Zhang","orcid":"https://orcid.org/0000-0002-9244-8464"},"institutions":[{"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/I4210164580","display_name":"National Astronomical Observatories","ror":"https://ror.org/058pyyv44","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210164580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanzhi Zhang","raw_affiliation_strings":["Chinese Academy of Sciences, National Astronomical Observatories, Beijing, China","Nat. Astron. Obs., Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, National Astronomical Observatories, Beijing, China","institution_ids":["https://openalex.org/I4210164580","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Nat. Astron. Obs., Beijing, China#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100378075","display_name":"Yan Chen","orcid":"https://orcid.org/0000-0002-3227-4562"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Chen","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Automation, Cheng Du, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Autom., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5029634289"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":0.2594,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.62138121,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"7","issue":"2","first_page":"469","last_page":"479"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9977999925613403,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9966999888420105,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/scatterometer","display_name":"Scatterometer","score":0.8602672815322876},{"id":"https://openalex.org/keywords/paddy-field","display_name":"Paddy field","score":0.6417052745819092},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.6115206480026245},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.6024581789970398},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.5665438771247864},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5629051923751831},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5599955916404724},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.5188906788825989},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.5135059952735901},{"id":"https://openalex.org/keywords/biomass","display_name":"Biomass (ecology)","score":0.512320876121521},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.4910018742084503},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.47541576623916626},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.4244341254234314},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34572088718414307},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3322763442993164},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.26847928762435913},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2449125051498413},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.23853632807731628},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.22166627645492554},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.13020256161689758},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12548169493675232},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09857434034347534},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07696554064750671}],"concepts":[{"id":"https://openalex.org/C2776212561","wikidata":"https://www.wikidata.org/wiki/Q905295","display_name":"Scatterometer","level":3,"score":0.8602672815322876},{"id":"https://openalex.org/C85582077","wikidata":"https://www.wikidata.org/wiki/Q842623","display_name":"Paddy field","level":2,"score":0.6417052745819092},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.6115206480026245},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.6024581789970398},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.5665438771247864},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5629051923751831},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5599955916404724},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.5188906788825989},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.5135059952735901},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.512320876121521},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.4910018742084503},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.47541576623916626},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.4244341254234314},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34572088718414307},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3322763442993164},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.26847928762435913},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2449125051498413},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.23853632807731628},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.22166627645492554},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.13020256161689758},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12548169493675232},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09857434034347534},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07696554064750671},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2013.2282641","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2013.2282641","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.5699999928474426,"display_name":"Zero hunger"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W214473588","https://openalex.org/W1532691246","https://openalex.org/W1982050384","https://openalex.org/W1985015594","https://openalex.org/W1988128726","https://openalex.org/W1990244654","https://openalex.org/W2001812927","https://openalex.org/W2003323862","https://openalex.org/W2005358860","https://openalex.org/W2040137337","https://openalex.org/W2066400206","https://openalex.org/W2067841380","https://openalex.org/W2070474738","https://openalex.org/W2082753045","https://openalex.org/W2099872269","https://openalex.org/W2109090765","https://openalex.org/W2118534670","https://openalex.org/W2119295421","https://openalex.org/W2133043154","https://openalex.org/W2133941557","https://openalex.org/W2136185668","https://openalex.org/W2138608170","https://openalex.org/W2141135204","https://openalex.org/W2141980672","https://openalex.org/W2150973072","https://openalex.org/W2151250213","https://openalex.org/W2160192633","https://openalex.org/W2161659680","https://openalex.org/W2163504721","https://openalex.org/W2165566880","https://openalex.org/W2171688314","https://openalex.org/W2591784655","https://openalex.org/W6680764494","https://openalex.org/W6734161321"],"related_works":["https://openalex.org/W1589762804","https://openalex.org/W2070850297","https://openalex.org/W2146056128","https://openalex.org/W2113437624","https://openalex.org/W3130749594","https://openalex.org/W2566865967","https://openalex.org/W2142726197","https://openalex.org/W790100635","https://openalex.org/W2054436446","https://openalex.org/W1972939745"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3],"inversion":[4,208,271],"method":[5],"based":[6,166],"on":[7,167],"neural":[8],"networks":[9],"(NN)":[10],"to":[11,47,82,124,226,275],"estimate":[12,227,276],"rice":[13,18,42,51,116,129,138,156,162,182,228,277],"biomass":[14,278],"in":[15,104,118,174],"a":[16,36,128,154,213,219],"paddy":[17,102],"field":[19,126],"with":[20,279],"fully":[21],"polarimetric":[22],"(HH,":[23],"HV,":[24],"VH,":[25],"VV)":[26],"measurements":[27,152],"at":[28,67,283],"S-band.":[29,284],"The":[30,50,140,158,171,185,230,266],"backscattering":[31,77,281],"coefficients":[32,78,282],"are":[33,62,79,99],"measured":[34],"by":[35,64,180],"ground-based":[37],"scatterometer":[38],"system":[39],"during":[40],"the":[41,68,75,83,105,119,125,135,143,175,181,189,195,206,235,249,256,270],"growth":[43,52,107,121,130,183],"period":[44],"from":[45],"May":[46],"September":[48],"2010.":[49],"parameters":[53,144,173],"including":[54],"biomass,":[55,86],"leaf-area":[56],"index":[57],"(LAI)":[58],"and":[59,90,109,147,204,218],"canopy":[60,88],"structure":[61],"collected":[63],"random":[65,151],"sampling":[66],"same":[69],"time.":[70],"Data":[71],"analyses":[72],"show":[73,233],"that":[74,96,234,254,269],"multi-temporal":[76,97],"very":[80],"sensitive":[81],"changes":[84],"of":[85,137,161,188,248,255],"LAI,":[87],"height":[89],"stem":[91],"density.":[92],"We":[93],"also":[94],"find":[95],"observations":[98,111],"suitable":[100],"for":[101,114,202],"detection":[103],"early":[106],"period,":[108],"co-polarimetric":[110],"perform":[112],"well":[113],"monitoring":[115],"status":[117],"late":[120],"period.":[122],"According":[123],"measurements,":[127],"model":[131,141,160,177,191,216,222,272],"was":[132,164,200],"established":[133],"as":[134,194],"function":[136],"age.":[139],"made":[142],"more":[145],"representative":[146],"universal":[148],"than":[149,253],"limited":[150],"over":[153],"given":[155],"field.":[157],"scatter":[159,176,190],"fields":[163],"simulated":[165],"Monte":[168],"Carlo":[169],"simulations.":[170],"input":[172],"were":[178,192,224],"generated":[179],"model.":[184],"simulation":[186],"results":[187,232,267],"composed":[193],"NN":[196,207,211],"training":[197,203,215,221],"dataset,":[198],"which":[199],"used":[201],"accessing":[205],"algorithm.":[209],"Two":[210],"models,":[212],"simple":[214],"(STM)":[217],"related":[220],"(RTM),":[223],"applied":[225],"biomass.":[229],"obtained":[231],"root":[236],"mean":[237],"square":[238],"error":[239],"(RMSE":[240,258],"=":[241,259],"0.816":[242],"Kg/m":[243],"<sup":[244,262],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[245,263],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[246,264],")":[247],"RTM":[250],"is":[251,273],"better":[252],"STM":[257],"1.226":[260],"kg/m":[261],").":[265],"suggest":[268],"able":[274],"radar":[280]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
