{"id":"https://openalex.org/W2149778695","doi":"https://doi.org/10.1109/igarss.2002.1026452","title":"Forest stem volume estimation using high-resolution lidar and SAR data","display_name":"Forest stem volume estimation using high-resolution lidar and SAR data","publication_year":2003,"publication_date":"2003-10-01","ids":{"openalex":"https://openalex.org/W2149778695","doi":"https://doi.org/10.1109/igarss.2002.1026452","mag":"2149778695"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2002.1026452","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2002.1026452","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"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/A5108451287","display_name":"G. Smith","orcid":null},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"G. Smith","raw_affiliation_strings":["Department of Radio and Space Science, Chalmers University of Technology, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Radio and Space Science, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090239764","display_name":"\u00c5sa Persson","orcid":"https://orcid.org/0000-0002-8886-5046"},"institutions":[{"id":"https://openalex.org/I1291458624","display_name":"Swedish Defence Research Agency","ror":"https://ror.org/0470cgs30","country_code":"SE","type":"funder","lineage":["https://openalex.org/I1291458624"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"A. Persson","raw_affiliation_strings":["Department of Laser Systems, Swedish Defence Research Agency, Link\u00f6ping, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Laser Systems, Swedish Defence Research Agency, Link\u00f6ping, Sweden","institution_ids":["https://openalex.org/I1291458624"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051583791","display_name":"J. Hohmgren","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Hohmgren","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023613109","display_name":"Bj\u00f6rn Hallberg","orcid":null},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"B. Hallberg","raw_affiliation_strings":["Department of Radio and Space Science, Chalmers University of Technology, Gothenburg, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Radio and Space Science, Chalmers University of Technology, Gothenburg, Sweden","institution_ids":["https://openalex.org/I66862912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009216756","display_name":"Johan E. S. Fransson","orcid":"https://orcid.org/0000-0002-7913-8592"},"institutions":[{"id":"https://openalex.org/I298625061","display_name":"Swedish University of Agricultural Sciences","ror":"https://ror.org/02yy8x990","country_code":"SE","type":"education","lineage":["https://openalex.org/I298625061"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"J.E.S. Fransson","raw_affiliation_strings":["Department of Forest Resource Management and Geomatics, Swedish University of Agricultural Sciences, Ume\u00e5, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Forest Resource Management and Geomatics, Swedish University of Agricultural Sciences, Ume\u00e5, Sweden","institution_ids":["https://openalex.org/I298625061"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030673696","display_name":"Lars M. H. Ulander","orcid":"https://orcid.org/0000-0001-5757-9517"},"institutions":[{"id":"https://openalex.org/I1291458624","display_name":"Swedish Defence Research Agency","ror":"https://ror.org/0470cgs30","country_code":"SE","type":"funder","lineage":["https://openalex.org/I1291458624"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"L.M.H. Ulander","raw_affiliation_strings":["Department of Surveillance Radar, Swedish Defence Research Agency, Link\u00f6ping, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Surveillance Radar, Swedish Defence Research Agency, Link\u00f6ping, Sweden","institution_ids":["https://openalex.org/I1291458624"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5108451287"],"corresponding_institution_ids":["https://openalex.org/I66862912"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.16517905,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"2084","last_page":"2086"},"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":0.9983999729156494,"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/T10535","display_name":"Landslides and related hazards","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/lidar","display_name":"Lidar","score":0.8675892353057861},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.8156485557556152},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.599276065826416},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5898995399475098},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.5863274335861206},{"id":"https://openalex.org/keywords/tree-canopy","display_name":"Tree canopy","score":0.5794141292572021},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.524837076663971},{"id":"https://openalex.org/keywords/crown","display_name":"Crown (dentistry)","score":0.5063074827194214},{"id":"https://openalex.org/keywords/footprint","display_name":"Footprint","score":0.5028299689292908},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4580515921115875},{"id":"https://openalex.org/keywords/high-resolution","display_name":"High resolution","score":0.4185256361961365},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.31251055002212524},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.24420225620269775},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1344250738620758},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.09291720390319824},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08570396900177002}],"concepts":[{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.8675892353057861},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.8156485557556152},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.599276065826416},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5898995399475098},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.5863274335861206},{"id":"https://openalex.org/C39807119","wikidata":"https://www.wikidata.org/wiki/Q1134228","display_name":"Tree canopy","level":3,"score":0.5794141292572021},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.524837076663971},{"id":"https://openalex.org/C2778400979","wikidata":"https://www.wikidata.org/wiki/Q143720","display_name":"Crown (dentistry)","level":2,"score":0.5063074827194214},{"id":"https://openalex.org/C132943942","wikidata":"https://www.wikidata.org/wiki/Q2562511","display_name":"Footprint","level":2,"score":0.5028299689292908},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4580515921115875},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.4185256361961365},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.31251055002212524},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.24420225620269775},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1344250738620758},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.09291720390319824},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08570396900177002},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2002.1026452","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2002.1026452","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.44999998807907104},{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.44999998807907104}],"awards":[],"funders":[{"id":"https://openalex.org/F4320325344","display_name":"Totalf\u00f6rsvarets Forskningsinstitut","ror":"https://ror.org/0470cgs30"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1988138990","https://openalex.org/W2099167816","https://openalex.org/W2106777535","https://openalex.org/W2122920344","https://openalex.org/W2162948578"],"related_works":["https://openalex.org/W2330537534","https://openalex.org/W1966682116","https://openalex.org/W2026089796","https://openalex.org/W2368534554","https://openalex.org/W2148469257","https://openalex.org/W1998232909","https://openalex.org/W2999244305","https://openalex.org/W2234425202","https://openalex.org/W2115519510","https://openalex.org/W2500526479"],"abstract_inverted_index":{"Presents":[0],"a":[1,27,77],"comparison":[2],"of":[3,6,52,81,100,118],"remote":[4],"sensing":[5],"forests":[7],"using":[8,107,119],"two":[9,111],"complementary,":[10],"high-resolution":[11],"sensors;":[12],"namely":[13],"the":[14,37,46,65,85,89,96,110,116,120],"TopEye":[15],"lidar":[16,23],"and":[17,40,55,64,92,115],"CARABAS":[18,73],"VHF":[19,74],"SAR":[20,75],"systems.":[21],"The":[22,72],"data":[24,108],"are":[25,93,113],"from":[26,36,109],"small":[28],"footprint":[29],"configuration,":[30],"allowing":[31],"discrimination":[32],"between":[33],"pulses":[34],"reflected":[35],"tree":[38,53,66,82],"crowns,":[39],"those":[41],"penetrating":[42],"through":[43,69],"gaps":[44],"in":[45],"canopy.":[47],"From":[48],"these":[49],"data,":[50],"measurements":[51,122],"height":[54],"crown":[56],"size":[57],"can":[58],"be":[59],"made":[60],"for":[61,104],"individual":[62,105],"trees,":[63],"volume":[67,102],"calculated":[68],"empirical":[70],"relationships.":[71],"provides":[76],"more":[78],"direct":[79],"measurement":[80],"volume,":[83],"since":[84],"long":[86],"wavelengths":[87],"penetrate":[88],"forest":[90],"canopy":[91],"scattered":[94],"by":[95],"trunk-ground":[97],"dihedral.":[98],"Results":[99],"stem":[101],"retrieval":[103],"trees":[106],"systems":[112],"presented,":[114],"possibility":[117],"complementary":[121],"discussed.":[123]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
