{"id":"https://openalex.org/W4413073864","doi":"https://doi.org/10.1109/tgrs.2025.3589578","title":"Elevation Correction of a Large-Scale DEM Using ICESat-2 Laser Altimetry Data","display_name":"Elevation Correction of a Large-Scale DEM Using ICESat-2 Laser Altimetry Data","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4413073864","doi":"https://doi.org/10.1109/tgrs.2025.3589578"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2025.3589578","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3589578","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/tgrs.2025.3589578","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047724169","display_name":"Weiqi Lian","orcid":"https://orcid.org/0000-0001-6253-6511"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weiqi Lian","raw_affiliation_strings":["Information Engineering University, Zhengzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Engineering University, Zhengzhou, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012637568","display_name":"Ziqi Nie","orcid":null},"institutions":[{"id":"https://openalex.org/I2801670068","display_name":"American Society for Photogrammetry and Remote Sensing","ror":"https://ror.org/041v7ky66","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I2801670068"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ziqi Nie","raw_affiliation_strings":["Aerial Photogrammetry and Remote Sensing Group Company Ltd., Xi&#x2019;an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerial Photogrammetry and Remote Sensing Group Company Ltd., Xi&#x2019;an, China","institution_ids":["https://openalex.org/I2801670068"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029635562","display_name":"Guo Zhang","orcid":"https://orcid.org/0000-0002-3987-5336"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guo Zhang","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-3987-5336","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100343513","display_name":"Ke Li","orcid":"https://orcid.org/0000-0002-7873-1554"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Li","raw_affiliation_strings":["Information Engineering University, Zhengzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-7873-1554","affiliations":[{"raw_affiliation_string":"Information Engineering University, Zhengzhou, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101398948","display_name":"Xuefeng Cao","orcid":"https://orcid.org/0000-0003-0529-3538"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuefeng Cao","raw_affiliation_strings":["Information Engineering University, Zhengzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-0529-3538","affiliations":[{"raw_affiliation_string":"Information Engineering University, Zhengzhou, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069652653","display_name":"Anzhu Yu","orcid":"https://orcid.org/0000-0002-3332-9668"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Anzhu Yu","raw_affiliation_strings":["Information Engineering University, Zhengzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-3332-9668","affiliations":[{"raw_affiliation_string":"Information Engineering University, Zhengzhou, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100678232","display_name":"Xin Li","orcid":"https://orcid.org/0000-0002-2569-7380"},"institutions":[{"id":"https://openalex.org/I4610292","display_name":"Xiangtan University","ror":"https://ror.org/00xsfaz62","country_code":"CN","type":"education","lineage":["https://openalex.org/I4610292"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["School of Automation and Electronic Information, Xiangtan University, Xiangtan, China"],"raw_orcid":"https://orcid.org/0000-0002-2569-7380","affiliations":[{"raw_affiliation_string":"School of Automation and Electronic Information, Xiangtan University, Xiangtan, China","institution_ids":["https://openalex.org/I4610292"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5047724169"],"corresponding_institution_ids":["https://openalex.org/I169689159"],"apc_list":null,"apc_paid":null,"fwci":1.4225,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.81639887,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9994999766349792,"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9994999766349792,"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/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9936000108718872,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/altimeter","display_name":"Altimeter","score":0.7241140007972717},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6890964508056641},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5552564859390259},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.5036525130271912},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.5016093254089355},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.49103736877441406},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4854322075843811},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1355181634426117},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.1305447518825531},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08734098076820374}],"concepts":[{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.7241140007972717},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6890964508056641},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5552564859390259},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5036525130271912},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.5016093254089355},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.49103736877441406},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4854322075843811},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1355181634426117},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.1305447518825531},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08734098076820374},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2025.3589578","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3589578","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":{"id":"doi:10.1109/tgrs.2025.3589578","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3589578","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6499999761581421,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G3584108033","display_name":null,"funder_award_id":"2024YFC3212200","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1981856335","https://openalex.org/W2003395900","https://openalex.org/W2027252311","https://openalex.org/W2059842332","https://openalex.org/W2061225400","https://openalex.org/W2071579919","https://openalex.org/W2095705004","https://openalex.org/W2194775991","https://openalex.org/W2349623575","https://openalex.org/W2553763818","https://openalex.org/W2568967893","https://openalex.org/W2789701861","https://openalex.org/W2950445386","https://openalex.org/W2973049108","https://openalex.org/W2974859516","https://openalex.org/W3016778767","https://openalex.org/W3025582806","https://openalex.org/W3028022488","https://openalex.org/W3091428573","https://openalex.org/W3094076113","https://openalex.org/W3106486436","https://openalex.org/W3127443316","https://openalex.org/W3176418897","https://openalex.org/W3194349994","https://openalex.org/W3209971564","https://openalex.org/W4205693143","https://openalex.org/W4213417002","https://openalex.org/W4309569065","https://openalex.org/W4387331372","https://openalex.org/W4391974540","https://openalex.org/W4394862710","https://openalex.org/W4406788039","https://openalex.org/W6674330103","https://openalex.org/W6745609711","https://openalex.org/W6753756506","https://openalex.org/W6776414078","https://openalex.org/W7014570911"],"related_works":["https://openalex.org/W4319317934","https://openalex.org/W4406302447","https://openalex.org/W2164484807","https://openalex.org/W2081468532","https://openalex.org/W2186192402","https://openalex.org/W2356895184","https://openalex.org/W1994717179","https://openalex.org/W1828440254","https://openalex.org/W1529812919","https://openalex.org/W2391260669"],"abstract_inverted_index":{"The":[0,83,216],"digital":[1,7],"elevation":[2,16,32,49,81,98],"model":[3,61,84,93,121,155,174],"(DEM)":[4],"is":[5,75,250],"a":[6,56,86,90],"representation":[8],"of":[9,51,163,204,255],"the":[10,48,64,97,116,119,150,173,180,190,193,205,237,241,244,260,264],"surface":[11],"elevation,":[12],"but":[13],"it":[14,233,249],"contains":[15],"errors":[17,39],"arising":[18],"from":[19,272],"vegetation":[20,227],"coverage":[21],"and":[22,30,40,67,89,110,139,149,166,179,199,212,226,232,259],"terrain":[23],"undulation.":[24],"Spaceborne":[25],"LiDAR,":[26],"with":[27,124,189],"its":[28],"large-scale":[29,79,183],"high-precision":[31,256],"measurement":[33],"capabilities,":[34],"can":[35,104],"effectively":[36],"correct":[37,78],"these":[38],"has":[41],"become":[42],"an":[43],"important":[44],"means":[45],"to":[46,77,94,107,169,177,268,274],"improve":[47],"accuracy":[50,164,219],"DEM.":[52],"In":[53,115],"this":[54],"study,":[55],"hybrid":[57],"incremental":[58],"regression":[59,130],"(HIR)":[60],"based":[62],"on":[63],"Ice,":[65],"Cloud,":[66],"land":[68,223],"Elevation":[69],"Satellite-2":[70],"(ICESat-2)":[71],"laser":[72],"altimetry":[73],"data":[74],"designed":[76],"DEM":[80,184,207],"errors.":[82],"combines":[85],"neural":[87,136],"network":[88,137],"decision":[91],"tree":[92],"efficiently":[95],"fit":[96],"error":[99,197,202],"through":[100],"stepwise":[101],"regression,":[102],"which":[103],"be":[105],"applied":[106,176],"different":[108,146,221],"terrains":[109],"landforms":[111],"over":[112],"large":[113],"areas.":[114],"experiment,":[117],"first,":[118],"proposed":[120],"was":[122,156,167,175,234,240],"compared":[123],"four":[125],"classic":[126],"models":[127,160],"[multiple":[128],"linear":[129],"(MLR),":[131],"random":[132],"forest":[133],"(RF),":[134],"backpropagation":[135],"(BPNN)":[138],"light":[140],"gradient-boosting":[141],"machine":[142],"(LightGBM)]":[143],"in":[144,161,218,243],"seven":[145],"landform":[147],"areas,":[148],"results":[151,261],"showed":[152,262],"that":[153,236,263],"our":[154],"better":[157],"than":[158],"other":[159],"terms":[162],"improvement":[165],"applicable":[168],"various":[170],"terrains.":[171],"Then,":[172],"China,":[178],"higher":[181],"precision,":[182],"datasets":[185],"were":[186,208,229],"produced.":[187],"Compared":[188],"original":[191],"DEM,":[192],"root":[194],"mean":[195,200],"squared":[196],"(RMSE)":[198],"absolute":[201],"(MAE)":[203],"optimized":[206],"reduced":[209],"by":[210],"1.603":[211],"1.453":[213],"m,":[214],"respectively.":[215],"differences":[217],"under":[220],"slopes,":[222],"cover":[224,246],"types,":[225],"heights":[228],"also":[230],"analyzed,":[231],"found":[235],"enhancement":[238],"effect":[239],"best":[242],"high-vegetation":[245],"area.":[247],"Finally,":[248],"validated":[251],"using":[252],"three":[253],"regions":[254],"validation":[257],"data,":[258],"RMSE":[265],"had":[266],"improved":[267],"varying":[269],"degrees,":[270],"ranging":[271],"0.193":[273],"2.853":[275],"m.":[276]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}
