{"id":"https://openalex.org/W2586886775","doi":"https://doi.org/10.1109/lgrs.2017.2649603","title":"Paddy Field Mapping Using Topographic and Scattering Features of PolSAR Data","display_name":"Paddy Field Mapping Using Topographic and Scattering Features of PolSAR Data","publication_year":2017,"publication_date":"2017-02-07","ids":{"openalex":"https://openalex.org/W2586886775","doi":"https://doi.org/10.1109/lgrs.2017.2649603","mag":"2586886775"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2017.2649603","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2649603","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/A5101780914","display_name":"Yonghyun Kim","orcid":"https://orcid.org/0000-0001-8200-9639"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yonghyun Kim","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jaehong Oh","orcid":"https://orcid.org/0000-0001-8200-9639"},"institutions":[{"id":"https://openalex.org/I111277659","display_name":"Chonnam National University","ror":"https://ror.org/05kzjxq56","country_code":"KR","type":"education","lineage":["https://openalex.org/I111277659"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jaehong Oh","raw_affiliation_strings":["Department of Civil Engineering, Chonnam National University, Gwangju, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-8200-9639","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Chonnam National University, Gwangju, South Korea","institution_ids":["https://openalex.org/I111277659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007055878","display_name":"Duk\u2010jin Kim","orcid":"https://orcid.org/0000-0001-8147-7641"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Duk-jin Kim","raw_affiliation_strings":["School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082613258","display_name":"Yong\u2010Il Kim","orcid":"https://orcid.org/0000-0003-3889-2545"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yongil Kim","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.1898,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.95267341,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"14","issue":"4","first_page":"484","last_page":"488"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.98089998960495,"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9449999928474426,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.7529228925704956},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7202837467193604},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6431936025619507},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.586578369140625},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5533961653709412},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.48750540614128113},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.4718513488769531},{"id":"https://openalex.org/keywords/polarization","display_name":"Polarization (electrochemistry)","score":0.4659598469734192},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.45427852869033813},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.4451505243778229},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.42869511246681213},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.42084991931915283},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.41033971309661865},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3279469609260559},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.30473166704177856},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3035678565502167},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.25143420696258545},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10893943905830383}],"concepts":[{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.7529228925704956},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7202837467193604},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6431936025619507},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.586578369140625},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5533961653709412},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.48750540614128113},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.4718513488769531},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.4659598469734192},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.45427852869033813},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.4451505243778229},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42869511246681213},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.42084991931915283},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.41033971309661865},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3279469609260559},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.30473166704177856},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3035678565502167},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.25143420696258545},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10893943905830383},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2017.2649603","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2649603","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/15","score":0.5199999809265137,"display_name":"Life in Land"}],"awards":[{"id":"https://openalex.org/G3297338463","display_name":null,"funder_award_id":"NRF-2015M1A3A3A02014673","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"},{"id":"https://openalex.org/G5341798460","display_name":null,"funder_award_id":"NRF-2014R1A1A1001995","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1924545708","https://openalex.org/W1928504735","https://openalex.org/W1978407375","https://openalex.org/W1990244654","https://openalex.org/W2003323862","https://openalex.org/W2017957965","https://openalex.org/W2049719492","https://openalex.org/W2058848462","https://openalex.org/W2063907334","https://openalex.org/W2064173853","https://openalex.org/W2078985447","https://openalex.org/W2105954673","https://openalex.org/W2109090765","https://openalex.org/W2130470461","https://openalex.org/W2134778497","https://openalex.org/W2150059023","https://openalex.org/W2162471324","https://openalex.org/W2171284705","https://openalex.org/W2249907689"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2483195039","https://openalex.org/W2048211457","https://openalex.org/W2281797687","https://openalex.org/W2358411735","https://openalex.org/W4250650723","https://openalex.org/W2611761074","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2469797871"],"abstract_inverted_index":{"Irrigated":[0],"rice":[1,59,137],"fields":[2],"in":[3,63,138,214],"Asia":[4],"have":[5,22],"a":[6,57,103,115,120,183],"distinct":[7],"topography":[8],"and":[9,71,86,145,171,188],"scattering":[10,72,160,166],"mechanisms.":[11],"Because":[12],"of":[13,75,136,158],"these":[14,128],"factors,":[15],"many":[16],"studies":[17],"using":[18,67,127,176],"radar":[19],"backscattering":[20],"information":[21],"been":[23,35],"conducted":[24],"to":[25,37,99,132,153],"improve":[26],"the":[27,38,69,76,82,87,92,100,134,139,142,146,164,169,191,211],"mapping":[28,61,193],"accuracy;":[29],"however,":[30],"relatively":[31],"little":[32],"attention":[33],"has":[34],"paid":[36],"topographic":[39],"features":[40,73],"(TF)":[41],"provided":[42,195],"by":[43,163,168],"polarimetric":[44],"synthetic":[45],"aperture":[46],"Radar":[47],"(PolSAR)":[48],"data.":[49,78],"To":[50],"address":[51],"this":[52,54,111],"issue,":[53],"letter":[55],"presents":[56],"simple":[58],"field":[60],"method":[62,194,202],"its":[64],"late-vegetative":[65,140],"stage":[66],"both":[68],"TF":[70],"(SF)":[74],"PolSAR":[77,93],"First,":[79],"two":[80,129],"TF,":[81],"polarization":[83],"orientation":[84],"angle":[85,90],"dominant":[88],"beta":[89],"from":[91,102],"data,":[94],"were":[95,124,150,180],"analyzed":[96],"with":[97,182,208],"respect":[98],"slope":[101],"digital":[104],"elevation":[105],"model.":[106],"The":[107,174,200],"results":[108,175],"indicated":[109],"that":[110,190],"feature":[112],"pair":[113],"had":[114],"moderately":[116],"high":[117],"correlation.":[118],"As":[119],"result,":[121],"flat":[122],"areas":[123],"easily":[125],"extracted":[126],"TF.":[130],"Second,":[131],"use":[133],"SF":[135],"stage,":[141],"copolarized":[143,147],"ratio":[144],"phase":[148],"difference":[149],"simply":[151],"combined":[152],"map":[154],"only":[155],"paddy":[156],"fields,":[157],"which":[159],"was":[161],"dominated":[162],"double-bounce":[165],"caused":[167],"ground":[170],"canopy":[172],"reflection.":[173],"C-band":[177],"Radarsat-2":[178],"data":[179],"compared":[181],"support":[184],"vector":[185],"machine":[186],"classifier":[187],"demonstrated":[189],"proposed":[192,201],"an":[196],"overall":[197],"better":[198],"performance.":[199],"might":[203],"also":[204],"be":[205],"efficiently":[206],"applied,":[207],"modification,":[209],"for":[210],"aforementioned":[212],"purpose":[213],"inaccessible":[215],"areas.":[216]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
