{"id":"https://openalex.org/W2753530235","doi":"https://doi.org/10.1109/lgrs.2017.2738672","title":"On the Estimation of Ground and Volume Polarimetric Covariances in Forest Scenarios With SAR Tomography","display_name":"On the Estimation of Ground and Volume Polarimetric Covariances in Forest Scenarios With SAR Tomography","publication_year":2017,"publication_date":"2017-08-30","ids":{"openalex":"https://openalex.org/W2753530235","doi":"https://doi.org/10.1109/lgrs.2017.2738672","mag":"2753530235"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2017.2738672","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2738672","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/A5101885781","display_name":"Matteo Pardini","orcid":"https://orcid.org/0000-0003-2018-7514"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matteo Pardini","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, Wessling, Germany"],"raw_orcid":"https://orcid.org/0000-0003-2018-7514","affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055218123","display_name":"Konstantinos Papathanassiou","orcid":"https://orcid.org/0000-0002-5736-0379"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Konstantinos Papathanassiou","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, Wessling, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":75.0226,"has_fulltext":false,"cited_by_count":42,"citation_normalized_percentile":{"value":0.99758014,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"14","issue":"10","first_page":"1860","last_page":"1864"},"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":1.0,"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":1.0,"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":0.9980999827384949,"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"}},{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9980999827384949,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7184938788414001},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6283412575721741},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5694668889045715},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.5277593731880188},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.517194390296936},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.5064395666122437},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.44520634412765503},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.43611493706703186},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.43567711114883423},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.42360612750053406},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4032033085823059},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.349228173494339},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.34853556752204895},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3008912205696106},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.13610392808914185},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10918682813644409},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07987794280052185},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07908409833908081}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7184938788414001},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6283412575721741},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5694668889045715},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.5277593731880188},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.517194390296936},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.5064395666122437},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.44520634412765503},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.43611493706703186},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.43567711114883423},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.42360612750053406},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4032033085823059},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.349228173494339},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.34853556752204895},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3008912205696106},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.13610392808914185},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10918682813644409},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07987794280052185},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07908409833908081},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2017.2738672","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2738672","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"},{"id":"pmh:oai:elib.dlr.de:114825","is_oa":false,"landing_page_url":"https://elib.dlr.de/114825/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Zeitschriftenbeitrag"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.6899999976158142}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1979663662","https://openalex.org/W1981228894","https://openalex.org/W1984211852","https://openalex.org/W1992541517","https://openalex.org/W1995071889","https://openalex.org/W2048289234","https://openalex.org/W2050315828","https://openalex.org/W2077813311","https://openalex.org/W2125596771","https://openalex.org/W2136855629","https://openalex.org/W2148610126"],"related_works":["https://openalex.org/W2469797871","https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W2545123933","https://openalex.org/W1994788526","https://openalex.org/W1915418828","https://openalex.org/W2613451563","https://openalex.org/W1966299760"],"abstract_inverted_index":{"A":[0],"two-layer":[1],"model":[2],"composed":[3],"by":[4,126,133],"ground":[5,49,93,111],"and":[6,50,54,74],"volume":[7,51],"contributions":[8],"has":[9],"been":[10],"proven":[11],"suitable":[12],"to":[13,36,47,63,78,83],"describe":[14],"the":[15,30,65,69,84,92,110,134,139],"3-D":[16],"backscattering":[17],"signatures":[18],"of":[19,25,32,109,117,143],"forest":[20,141],"scenarios":[21],"in":[22,68],"a":[23,80,106],"number":[24],"experiments.":[26],"Under":[27],"this":[28,33],"hypothesis,":[29],"purpose":[31],"letter":[34],"is":[35,61,72,76,119,123],"investigate":[37],"how":[38],"synthetic":[39],"aperture":[40],"radar":[41],"tomography":[42],"(TomoSAR)":[43],"can":[44,99],"be":[45,79,100],"used":[46],"estimate":[48,116],"polarimetric":[52,94],"covariances":[53],"with":[55],"which":[56,60],"performance.":[57],"An":[58],"algorithm":[59],"able":[62],"overcome":[64],"intrinsic":[66],"ambiguity":[67],"estimation":[70],"problem":[71],"proposed,":[73],"it":[75],"shown":[77],"reliable":[81],"alternative":[82],"poorly":[85],"performing":[86],"full-rank":[87],"Capon":[88],"beamformer":[89],"for":[90,102],"estimating":[91],"covariances.":[95],"This":[96,121],"performance":[97],"improvement":[98],"achieved,":[101],"instance,":[103],"if":[104],"an":[105,114,128],"priori":[107],"knowledge":[108],"topography":[112],"(or":[113],"accurate":[115],"it)":[118],"available.":[120],"analysis":[122],"carried":[124],"out":[125],"processing":[127],"L-band":[129],"TomoSAR":[130],"stack":[131],"acquired":[132],"DLR's":[135],"E-SAR":[136],"sensor":[137],"over":[138],"temperate":[140],"site":[142],"Traunstein.":[144]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":7}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
