{"id":"https://openalex.org/W1980784509","doi":"https://doi.org/10.1117/12.331353","title":"SAR interferometry for DEM generation: wide-area error assessment","display_name":"SAR interferometry for DEM generation: wide-area error assessment","publication_year":1998,"publication_date":"1998-11-20","ids":{"openalex":"https://openalex.org/W1980784509","doi":"https://doi.org/10.1117/12.331353","mag":"1980784509"},"language":"en","primary_location":{"id":"doi:10.1117/12.331353","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.331353","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"type":"conference-paper","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":null,"display_name":"Daniel Carrasco","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Daniel Carrasco","raw_affiliation_strings":["Univ. Politecnica de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Politecnica de Catalunya (Spain)","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009391161","display_name":"A. Broquetas","orcid":"https://orcid.org/0000-0001-9801-9145"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antoni Broquetas","raw_affiliation_strings":["Univ. Politecnica de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Politecnica de Catalunya (Spain)","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012789321","display_name":"Ram\u00f3n Pe\u00f1a","orcid":"https://orcid.org/0000-0001-8385-3065"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ramon Pena","raw_affiliation_strings":["Univ. Politecnica de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. Politecnica de Catalunya (Spain)","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046701437","display_name":"Rom\u00e1n Arbiol","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126679","display_name":"Institut Cartogr\u00e0fic i Geol\u00f2gic de Catalunya","ror":"https://ror.org/03d2ezn18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210126679"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Roman Arbiol","raw_affiliation_strings":["Institut Cartografic de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut Cartografic de Catalunya (Spain)","institution_ids":["https://openalex.org/I4210126679"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106281586","display_name":"Manuel Castillo","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126679","display_name":"Institut Cartogr\u00e0fic i Geol\u00f2gic de Catalunya","ror":"https://ror.org/03d2ezn18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210126679"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Manuel Castillo","raw_affiliation_strings":["Institut Cartografic de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut Cartografic de Catalunya (Spain)","institution_ids":["https://openalex.org/I4210126679"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111562813","display_name":"Vincenc Pala","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126679","display_name":"Institut Cartogr\u00e0fic i Geol\u00f2gic de Catalunya","ror":"https://ror.org/03d2ezn18","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210126679"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Vincenc Pala","raw_affiliation_strings":["Institut Cartografic de Catalunya (Spain)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut Cartografic de Catalunya (Spain)","institution_ids":["https://openalex.org/I4210126679"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13870581,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3497","issue":null,"first_page":"212","last_page":"218"},"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":0.9997000098228455,"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":0.9997000098228455,"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":0.9965000152587891,"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6886205673217773},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.6171683669090271},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.4786854386329651},{"id":"https://openalex.org/keywords/geodetic-datum","display_name":"Geodetic datum","score":0.4768463373184204},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.4567389190196991},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.45621174573898315},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.41038379073143005},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.21518224477767944},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12719616293907166},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11448535323143005}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6886205673217773},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.6171683669090271},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.4786854386329651},{"id":"https://openalex.org/C58754882","wikidata":"https://www.wikidata.org/wiki/Q1502887","display_name":"Geodetic datum","level":2,"score":0.4768463373184204},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.4567389190196991},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.45621174573898315},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.41038379073143005},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.21518224477767944},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12719616293907166},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11448535323143005},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.331353","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.331353","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8799999952316284,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2019057379","https://openalex.org/W2366229771","https://openalex.org/W2612515138","https://openalex.org/W2949194655","https://openalex.org/W1989808455","https://openalex.org/W4252642356","https://openalex.org/W2028428095","https://openalex.org/W1982102372","https://openalex.org/W4381329014","https://openalex.org/W2340859935"],"abstract_inverted_index":{"The":[0,39,60,81,120,192],"present":[1],"work":[2],"consists":[3],"on":[4,34],"the":[5,35,57,79,99,106,131,178,182,185,188],"generation":[6],"of":[7,89,105,138,147,181,187],"a":[8,16,28,64,87,112,117,126,145,164],"DEM":[9,122,189],"using":[10,27],"ERS":[11,61],"satellites":[12],"interferometric":[13],"data":[14],"over":[15,111],"wide":[17],"area":[18,40,69],"(50":[19],"X":[20,66],"50":[21,172],"Km)":[22],"with":[23,43,203],"an":[24],"error":[25,140,194],"study":[26,195],"high":[29],"accuracy":[30],"reference":[31,127],"DEM,":[32],"focusing":[33],"atmosphere":[36],"induced":[37],"errors.":[38],"is":[41,86],"heterogeneous":[42],"flat":[44],"and":[45,70,92,163],"rough":[46,100],"topography":[47,101],"ranging":[48],"from":[49],"sea":[50],"level":[51],"up":[52,151,160,170],"to":[53,77,116,125,152,161,171,174],"1200":[54],"m":[55,173],"in":[56,74,177],"inland":[58],"ranges.":[59],"image":[62],"has":[63,71],"100":[65,67],"Km2":[68],"been":[72],"divided":[73],"four":[75],"quarters":[76],"ease":[78],"processing.":[80],"phase":[82,154],"unwrapping":[83],"algorithm,":[84],"which":[85,156,168],"combination":[88],"region":[90],"growing":[91],"least":[93],"squares":[94],"techniques,":[95],"worked":[96],"out":[97,198],"successfully":[98],"areas.":[102],"One":[103],"quarter":[104],"full":[107],"scene":[108],"was":[109,123,190,196],"geocoded":[110],"local":[113],"datum":[114],"ellipsoid":[115],"UTM":[118],"grid.":[119],"resulting":[121],"compared":[124],"one":[128,153],"provided":[129],"by":[130],"Institut":[132],"Cartografic":[133],"de":[134],"Catalunya.":[135],"Two":[136],"types":[137],"atmospheric":[139,183],"or":[141],"artifacts":[142],"were":[143],"found:":[144],"set":[146],"very":[148],"localized":[149],"spots,":[150],"cycle,":[155],"generated":[157],"ghost":[158],"hills":[159],"100,":[162],"slow":[165],"trend":[166],"effect":[167],"added":[169],"some":[175],"areas":[176,202],"image.":[179],"Besides":[180],"errors,":[184],"quality":[186],"assessed.":[191],"quantitative":[193],"carried":[197],"locally":[199],"at":[200],"several":[201],"different":[204],"topography.":[205]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}