{"id":"https://openalex.org/W2912134034","doi":"https://doi.org/10.1109/tgrs.2018.2889519","title":"Comparative Evaluation of Sea Ice Lead Detection Based on SAR Imagery and Altimeter Data","display_name":"Comparative Evaluation of Sea Ice Lead Detection Based on SAR Imagery and Altimeter Data","publication_year":2019,"publication_date":"2019-01-25","ids":{"openalex":"https://openalex.org/W2912134034","doi":"https://doi.org/10.1109/tgrs.2018.2889519","mag":"2912134034"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2018.2889519","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2018.2889519","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5009020295","display_name":"Nicolas Long\u00e9p\u00e9","orcid":"https://orcid.org/0000-0002-6832-3274"},"institutions":[{"id":"https://openalex.org/I4210095365","display_name":"Collecte Localisation Satellites (France)","ror":"https://ror.org/00q7mnz48","country_code":"FR","type":"company","lineage":["https://openalex.org/I2799535048","https://openalex.org/I4210095365"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Longepe","raw_affiliation_strings":["Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Plouzan\u00e9, France"],"raw_orcid":"https://orcid.org/0000-0002-6832-3274","affiliations":[{"raw_affiliation_string":"Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Plouzan\u00e9, France","institution_ids":["https://openalex.org/I4210095365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003898495","display_name":"Pierre Thibaut","orcid":"https://orcid.org/0000-0002-1006-5639"},"institutions":[{"id":"https://openalex.org/I4210095365","display_name":"Collecte Localisation Satellites (France)","ror":"https://ror.org/00q7mnz48","country_code":"FR","type":"company","lineage":["https://openalex.org/I2799535048","https://openalex.org/I4210095365"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Pierre Thibaut","raw_affiliation_strings":["Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Ramonville-Saint-Agne, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Ramonville-Saint-Agne, France","institution_ids":["https://openalex.org/I4210095365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084234366","display_name":"Rodolphe Vadaine","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095365","display_name":"Collecte Localisation Satellites (France)","ror":"https://ror.org/00q7mnz48","country_code":"FR","type":"company","lineage":["https://openalex.org/I2799535048","https://openalex.org/I4210095365"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Rodolphe Vadaine","raw_affiliation_strings":["Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Plouzan\u00e9, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Plouzan\u00e9, France","institution_ids":["https://openalex.org/I4210095365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075475404","display_name":"Jean-Christophe Poisson","orcid":"https://orcid.org/0000-0003-1965-2466"},"institutions":[{"id":"https://openalex.org/I4210095365","display_name":"Collecte Localisation Satellites (France)","ror":"https://ror.org/00q7mnz48","country_code":"FR","type":"company","lineage":["https://openalex.org/I2799535048","https://openalex.org/I4210095365"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jean-Christophe Poisson","raw_affiliation_strings":["Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Ramonville-Saint-Agne, France"],"raw_orcid":"https://orcid.org/0000-0003-1965-2466","affiliations":[{"raw_affiliation_string":"Space Observation Division, Space and Ground Segment BU, Collecte and Localization Satellites, Ramonville-Saint-Agne, France","institution_ids":["https://openalex.org/I4210095365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013638505","display_name":"Amandine Guillot","orcid":"https://orcid.org/0000-0001-7958-4675"},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Amandine Guillot","raw_affiliation_strings":["Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","Centre National d'\u00c9tudes Spatiales, Toulouse, France"],"raw_orcid":"https://orcid.org/0000-0001-7958-4675","affiliations":[{"raw_affiliation_string":"Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]},{"raw_affiliation_string":"Centre National d'\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084391932","display_name":"Fran\u00e7ois Boy","orcid":"https://orcid.org/0000-0003-1925-1558"},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Francois Boy","raw_affiliation_strings":["Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","Centre National d'\u00c9tudes Spatiales, Toulouse, France"],"raw_orcid":"https://orcid.org/0000-0003-1925-1558","affiliations":[{"raw_affiliation_string":"Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]},{"raw_affiliation_string":"Centre National d'\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062302927","display_name":"Nicolas Picot","orcid":"https://orcid.org/0000-0001-5224-7660"},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"government","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Picot","raw_affiliation_strings":["Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","Centre National d'\u00c9tudes Spatiales, Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre National d\u2019\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]},{"raw_affiliation_string":"Centre National d'\u00c9tudes Spatiales, Toulouse, France","institution_ids":["https://openalex.org/I2799535048"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079428064","display_name":"Franck Borde","orcid":"https://orcid.org/0000-0001-7491-8429"},"institutions":[{"id":"https://openalex.org/I44377176","display_name":"European Space Research and Technology Centre","ror":"https://ror.org/03h3jqn23","country_code":"NL","type":"government","lineage":["https://openalex.org/I2801994115","https://openalex.org/I44377176"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Franck Borde","raw_affiliation_strings":["European Space Research and Technology Centre, European Space Agency, Noordwijk, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0001-7491-8429","affiliations":[{"raw_affiliation_string":"European Space Research and Technology Centre, European Space Agency, Noordwijk, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9226,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.84854499,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"57","issue":"6","first_page":"4050","last_page":"4061"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11333","display_name":"Climate change and permafrost","score":0.9801999926567078,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.9485999941825867,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/remote-sensing","display_name":"Remote sensing","score":0.787273645401001},{"id":"https://openalex.org/keywords/lead","display_name":"Lead (geology)","score":0.6798132061958313},{"id":"https://openalex.org/keywords/altimeter","display_name":"Altimeter","score":0.6459744572639465},{"id":"https://openalex.org/keywords/sea-ice","display_name":"Sea ice","score":0.6397784948348999},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6316848397254944},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5066948533058167},{"id":"https://openalex.org/keywords/radar-altimeter","display_name":"Radar altimeter","score":0.4584985673427582},{"id":"https://openalex.org/keywords/space-based-radar","display_name":"Space-based radar","score":0.4477887749671936},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.3758382201194763},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2815603017807007},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.20670035481452942},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.15294885635375977},{"id":"https://openalex.org/keywords/geomorphology","display_name":"Geomorphology","score":0.1102813184261322},{"id":"https://openalex.org/keywords/radar-engineering-details","display_name":"Radar engineering details","score":0.10256105661392212}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.787273645401001},{"id":"https://openalex.org/C2777093003","wikidata":"https://www.wikidata.org/wiki/Q6508345","display_name":"Lead (geology)","level":2,"score":0.6798132061958313},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.6459744572639465},{"id":"https://openalex.org/C136894858","wikidata":"https://www.wikidata.org/wiki/Q213926","display_name":"Sea ice","level":2,"score":0.6397784948348999},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6316848397254944},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5066948533058167},{"id":"https://openalex.org/C26760657","wikidata":"https://www.wikidata.org/wiki/Q1104030","display_name":"Radar altimeter","level":3,"score":0.4584985673427582},{"id":"https://openalex.org/C36067731","wikidata":"https://www.wikidata.org/wiki/Q7572176","display_name":"Space-based radar","level":5,"score":0.4477887749671936},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.3758382201194763},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2815603017807007},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.20670035481452942},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.15294885635375977},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.1102813184261322},{"id":"https://openalex.org/C134406370","wikidata":"https://www.wikidata.org/wiki/Q832005","display_name":"Radar engineering details","level":4,"score":0.10256105661392212},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2018.2889519","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2018.2889519","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8399999737739563,"display_name":"Life below water"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1519949070","https://openalex.org/W1966536773","https://openalex.org/W1967552983","https://openalex.org/W1976424300","https://openalex.org/W2025880297","https://openalex.org/W2027395589","https://openalex.org/W2031447753","https://openalex.org/W2036524212","https://openalex.org/W2043808529","https://openalex.org/W2044666648","https://openalex.org/W2044900211","https://openalex.org/W2058249577","https://openalex.org/W2109553965","https://openalex.org/W2111527601","https://openalex.org/W2135553267","https://openalex.org/W2157840858","https://openalex.org/W2164188588","https://openalex.org/W2170297885","https://openalex.org/W2223418670","https://openalex.org/W2299086563","https://openalex.org/W2463404136","https://openalex.org/W2525711383","https://openalex.org/W2620701963","https://openalex.org/W2736020103","https://openalex.org/W2761305915","https://openalex.org/W2765271612","https://openalex.org/W2794444987"],"related_works":["https://openalex.org/W2057250073","https://openalex.org/W2103011224","https://openalex.org/W1895196404","https://openalex.org/W2118152362","https://openalex.org/W2154228978","https://openalex.org/W2121276230","https://openalex.org/W2058732972","https://openalex.org/W2142736189","https://openalex.org/W2113568991","https://openalex.org/W2137313801"],"abstract_inverted_index":{"The":[0,20,43,122],"detection":[1,171],"of":[2,12,22,47,57,93,124,151],"sea":[3],"ice":[4,13],"leads":[5,97],"is":[6,25,99,156,162,179],"a":[7,55,71,166],"prerequisite":[8],"for":[9,89,107,188],"the":[10,32,41,90,108,114,125,128,149],"estimation":[11],"freeboard":[14],"and":[15,45,86,95,118,131,146,172],"thickness":[16],"from":[17],"altimeter":[18,23,116,129,144,183,190],"data.":[19],"classification":[21],"waveforms":[24],"generally":[26],"performed":[27,180],"using":[28,54,181],"statistical":[29],"parameters":[30],"on":[31,40,76,140],"echo":[33],"power":[34],"or":[35],"machine":[36],"learning":[37],"approaches":[38],"directly":[39],"waveforms.":[42],"validation":[44],"optimization":[46],"such":[48],"algorithms":[49],"can":[50],"be":[51],"carried":[52],"out":[53],"set":[56],"reference":[58],"cases":[59],"provided":[60],"by":[61],"Earth":[62],"Observation":[63],"images.":[64,83],"In":[65],"this":[66],"paper,":[67],"we":[68],"first":[69],"developed":[70],"new":[72,160],"lead":[73,126,154],"detector":[74,98,155],"based":[75],"Sentinel-1":[77],"(S-1)":[78],"synthetic":[79],"aperture":[80],"radar":[81],"(SAR)":[82],"A":[84,159,176],"robust":[85],"consistent":[87],"methodology":[88],"joint":[91],"assessment":[92],"Altimeter":[94],"SAR":[96,120],"then":[100],"provided.":[101],"We":[102],"propose":[103],"to":[104,134],"fully":[105,157],"account":[106],"2-D":[109,119],"geometric":[110],"problem":[111],"when":[112],"comparing":[113],"1-D":[115],"track":[117],"image.":[121],"surface":[123],"intersecting":[127],"footprint":[130],"its":[132],"distance":[133],"nadir":[135],"are":[136],"considered":[137],"here.":[138],"Based":[139],"collocated":[141],"Sentinel-3":[142],"(S-3)":[143],"data":[145,191],"S-1":[147],"images,":[148],"performance":[150,187],"our":[152],"S-3":[153,189],"assessed.":[158],"parameterization":[161],"found":[163],"resulting":[164],"in":[165,193],"better":[167],"tradeoff":[168],"between":[169],"good":[170],"false":[173],"alarm":[174],"rate.":[175],"similar":[177],"analysis":[178],"AltiKa":[182],"data,":[184],"showing":[185],"enhanced":[186],"acquired":[192],"Delay-Doppler":[194],"mode":[195],"with":[196],"reduced":[197],"off-nadir":[198],"returns.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":8},{"year":2019,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}