{"id":"https://openalex.org/W2119173310","doi":"https://doi.org/10.1109/jstars.2012.2192718","title":"Estimation of the Orientation and Shape Parameters of Canopy Scatterers from POLSAR Observations","display_name":"Estimation of the Orientation and Shape Parameters of Canopy Scatterers from POLSAR Observations","publication_year":2012,"publication_date":"2012-04-13","ids":{"openalex":"https://openalex.org/W2119173310","doi":"https://doi.org/10.1109/jstars.2012.2192718","mag":"2119173310"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2012.2192718","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2012.2192718","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/A5100665415","display_name":"Yanting Wang","orcid":"https://orcid.org/0000-0003-3118-9929"},"institutions":[{"id":"https://openalex.org/I1288214837","display_name":"United States Naval Research Laboratory","ror":"https://ror.org/04d23a975","country_code":"US","type":"facility","lineage":["https://openalex.org/I1288214837","https://openalex.org/I1330347796","https://openalex.org/I175003984","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yanting Wang","raw_affiliation_strings":["Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","institution_ids":["https://openalex.org/I1288214837"]},{"raw_affiliation_string":"Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA","institution_ids":["https://openalex.org/I1288214837"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046824643","display_name":"Thomas L. Ainsworth","orcid":"https://orcid.org/0000-0002-6269-0882"},"institutions":[{"id":"https://openalex.org/I1288214837","display_name":"United States Naval Research Laboratory","ror":"https://ror.org/04d23a975","country_code":"US","type":"facility","lineage":["https://openalex.org/I1288214837","https://openalex.org/I1330347796","https://openalex.org/I175003984","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas L. Ainsworth","raw_affiliation_strings":["Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","institution_ids":["https://openalex.org/I1288214837"]},{"raw_affiliation_string":"Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA","institution_ids":["https://openalex.org/I1288214837"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057253430","display_name":"Jong-Sen Lee","orcid":"https://orcid.org/0000-0002-9831-7836"},"institutions":[{"id":"https://openalex.org/I1288214837","display_name":"United States Naval Research Laboratory","ror":"https://ror.org/04d23a975","country_code":"US","type":"facility","lineage":["https://openalex.org/I1288214837","https://openalex.org/I1330347796","https://openalex.org/I175003984","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jong-Sen Lee","raw_affiliation_strings":["Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, Naval Research Laboratory, Inc., Washington DC, DC, USA","institution_ids":["https://openalex.org/I1288214837"]},{"raw_affiliation_string":"Remote Sensing. Div., Naval Res. Lab., Washington, DC, USA","institution_ids":["https://openalex.org/I1288214837"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1288214837"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":7.4757,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.97837867,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"5","issue":"3","first_page":"835","last_page":"847"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T10889","display_name":"Soil erosion and sediment transport","score":0.9779000282287598,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9764999747276306,"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/orientation","display_name":"Orientation (vector space)","score":0.7222257852554321},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5715494155883789},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5426090955734253},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.5247790217399597},{"id":"https://openalex.org/keywords/polarization","display_name":"Polarization (electrochemistry)","score":0.47675806283950806},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.44420191645622253},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4135398268699646},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40517428517341614},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2602388858795166},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.25633883476257324},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.24675807356834412},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22832968831062317},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22291827201843262},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.19256308674812317},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13374635577201843}],"concepts":[{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.7222257852554321},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5715494155883789},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5426090955734253},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5247790217399597},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.47675806283950806},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.44420191645622253},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4135398268699646},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40517428517341614},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2602388858795166},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.25633883476257324},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.24675807356834412},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22832968831062317},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22291827201843262},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.19256308674812317},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13374635577201843},{"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/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2012.2192718","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2012.2192718","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":[{"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15","score":0.6499999761581421}],"awards":[],"funders":[{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1421632428","https://openalex.org/W1974024703","https://openalex.org/W2001337397","https://openalex.org/W2008826820","https://openalex.org/W2052418995","https://openalex.org/W2078985447","https://openalex.org/W2097272115","https://openalex.org/W2100024934","https://openalex.org/W2115226769","https://openalex.org/W2116319373","https://openalex.org/W2121039887","https://openalex.org/W2125822174","https://openalex.org/W2130762895","https://openalex.org/W2137917662","https://openalex.org/W2139824394","https://openalex.org/W2141424348","https://openalex.org/W2142134428","https://openalex.org/W2144896701","https://openalex.org/W2164296623","https://openalex.org/W2170481611","https://openalex.org/W2580074516","https://openalex.org/W2796649821","https://openalex.org/W3036543524","https://openalex.org/W4237764598","https://openalex.org/W4285719527","https://openalex.org/W4300222729","https://openalex.org/W6732680108"],"related_works":["https://openalex.org/W3204184292","https://openalex.org/W3176564347","https://openalex.org/W1985458517","https://openalex.org/W2355833770","https://openalex.org/W3031039437","https://openalex.org/W183202219","https://openalex.org/W3095877357","https://openalex.org/W2072565696","https://openalex.org/W10861731","https://openalex.org/W2050451745"],"abstract_inverted_index":{"Recent":[0],"studies":[1],"have":[2],"shown":[3],"that":[4],"the":[5,28,32,41,47,69,77,81,93,102],"volumetric":[6],"scatterers":[7],"of":[8,30,46,54,91,101,114],"different":[9,18],"canopy":[10,48,94],"types":[11],"warranted":[12],"varying":[13],"scattering":[14,104],"models,":[15],"which":[16,74],"feature":[17],"orientation":[19,33,42,58],"and":[20,34,43,59,106,116],"shape":[21,35,44,60],"characteristics.":[22],"In":[23],"this":[24],"paper,":[25],"we":[26,75,86],"explore":[27],"possibility":[29],"estimating":[31],"parameters":[36,45,64,89],"from":[37],"POLSAR":[38,84],"observations.":[39],"Both":[40],"are":[49],"defined":[50],"by":[51],"a":[52,97,108],"cloud":[53],"spheroids":[55],"with":[56],"independent":[57],"distributions.":[61],"The":[62],"respective":[63],"clearly":[65],"express":[66],"themselves":[67],"in":[68,73],"circular":[70],"polarization":[71],"basis":[72],"derive":[76],"analytic":[78],"solutions.":[79],"Applying":[80],"estimation":[82],"to":[83],"data,":[85],"demonstrate":[87],"these":[88],"capable":[90],"characterizing":[92],"scatterers,":[95],"providing":[96],"consistent":[98],"physical":[99],"interpretation":[100],"target":[103],"mechanisms":[105],"generating":[107],"fine-grained":[109],"initialization":[110],"for":[111],"Wishart":[112],"classifications":[113],"vegetation":[115],"forest":[117],"targets.":[118]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}