{"id":"https://openalex.org/W4416381443","doi":"https://doi.org/10.1109/tgrs.2025.3631519","title":"An Attention-GraphSAGE Algorithm for Marine Gravity Anomaly Inversion Using Denoised Photon Point Cloud Data of ICESat-2","display_name":"An Attention-GraphSAGE Algorithm for Marine Gravity Anomaly Inversion Using Denoised Photon Point Cloud Data of ICESat-2","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4416381443","doi":"https://doi.org/10.1109/tgrs.2025.3631519"},"language":null,"primary_location":{"id":"doi:10.1109/tgrs.2025.3631519","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3631519","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/A5113391115","display_name":"Gaoying Yin","orcid":"https://orcid.org/0009-0008-0428-5521"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Gaoying Yin","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100775437","display_name":"Xin Liu","orcid":"https://orcid.org/0000-0002-1953-5721"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Liu","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012349052","display_name":"Shaofeng Bian","orcid":"https://orcid.org/0000-0001-6046-4243"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaofeng Bian","raw_affiliation_strings":["College of Geography and Information Engineering, China University of Geosciences, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"College of Geography and Information Engineering, China University of Geosciences, Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047698350","display_name":"Yongjun Jia","orcid":"https://orcid.org/0000-0002-9579-1217"},"institutions":[{"id":"https://openalex.org/I4210128742","display_name":"National Satellite Ocean Application Service","ror":"https://ror.org/038fwcw54","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210128742"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongjun Jia","raw_affiliation_strings":["National Satellite Ocean Application Service, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Satellite Ocean Application Service, Beijing, China","institution_ids":["https://openalex.org/I4210128742"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100423951","display_name":"Hui Li","orcid":"https://orcid.org/0000-0003-1086-0402"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Li","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070048275","display_name":"Ziqian Huang","orcid":"https://orcid.org/0009-0002-1155-3607"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziqian Huang","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070369685","display_name":"Jinyun Guo","orcid":"https://orcid.org/0000-0003-1817-1505"},"institutions":[{"id":"https://openalex.org/I80143920","display_name":"Shandong University of Science and Technology","ror":"https://ror.org/04gtjhw98","country_code":"CN","type":"education","lineage":["https://openalex.org/I80143920"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinyun Guo","raw_affiliation_strings":["College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China","institution_ids":["https://openalex.org/I80143920"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5113391115"],"corresponding_institution_ids":["https://openalex.org/I80143920"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.36389618,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.7318000197410583,"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"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.7318000197410583,"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"}},{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.05860000103712082,"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/T10572","display_name":"Geophysical and Geoelectrical Methods","score":0.04470000043511391,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/gravity-anomaly","display_name":"Gravity anomaly","score":0.6919999718666077},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.43130001425743103},{"id":"https://openalex.org/keywords/anomaly","display_name":"Anomaly (physics)","score":0.4223000109195709},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.4099999964237213},{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.4043000042438507},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.39070001244544983},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.38920000195503235},{"id":"https://openalex.org/keywords/inverse-problem","display_name":"Inverse problem","score":0.36880001425743103},{"id":"https://openalex.org/keywords/data-point","display_name":"Data point","score":0.33180001378059387}],"concepts":[{"id":"https://openalex.org/C96342900","wikidata":"https://www.wikidata.org/wiki/Q1413914","display_name":"Gravity anomaly","level":3,"score":0.6919999718666077},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.574400007724762},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.43290001153945923},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4318000078201294},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.43130001425743103},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.4223000109195709},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.4099999964237213},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.4043000042438507},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.39070001244544983},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.38920000195503235},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.38040000200271606},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.36880001425743103},{"id":"https://openalex.org/C21080849","wikidata":"https://www.wikidata.org/wiki/Q13611879","display_name":"Data point","level":2,"score":0.33180001378059387},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.3188999891281128},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.3176000118255615},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.3174999952316284},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.31040000915527344},{"id":"https://openalex.org/C80989030","wikidata":"https://www.wikidata.org/wiki/Q185969","display_name":"Geoid","level":3,"score":0.30709999799728394},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.2957000136375427},{"id":"https://openalex.org/C160920958","wikidata":"https://www.wikidata.org/wiki/Q7662746","display_name":"Synthetic data","level":2,"score":0.29269999265670776},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2646999955177307},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.26440000534057617},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.26089999079704285},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.2572999894618988},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.25609999895095825},{"id":"https://openalex.org/C81901731","wikidata":"https://www.wikidata.org/wiki/Q331348","display_name":"Overdetermined system","level":2,"score":0.2554999887943268}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2025.3631519","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3631519","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1971528932","https://openalex.org/W1988826824","https://openalex.org/W1998011866","https://openalex.org/W2017543515","https://openalex.org/W2019249840","https://openalex.org/W2036859664","https://openalex.org/W2069352351","https://openalex.org/W2098089582","https://openalex.org/W2138086805","https://openalex.org/W2160642098","https://openalex.org/W2321707316","https://openalex.org/W2327133412","https://openalex.org/W2567005607","https://openalex.org/W2598925973","https://openalex.org/W2783102179","https://openalex.org/W2945827377","https://openalex.org/W2964015378","https://openalex.org/W2973049108","https://openalex.org/W2974741142","https://openalex.org/W2981365574","https://openalex.org/W3001123489","https://openalex.org/W3035562928","https://openalex.org/W3037823952","https://openalex.org/W3044870978","https://openalex.org/W3048387442","https://openalex.org/W3178323081","https://openalex.org/W3215697379","https://openalex.org/W4229074540","https://openalex.org/W4306867300","https://openalex.org/W4312367373","https://openalex.org/W4319833590","https://openalex.org/W4378421649","https://openalex.org/W4400878153","https://openalex.org/W4401878696","https://openalex.org/W4402527621","https://openalex.org/W4403934104","https://openalex.org/W4404829686","https://openalex.org/W4406597129"],"related_works":[],"abstract_inverted_index":{"The":[0,77,126,217,234],"ICESat-2":[1],"(Ice,":[2],"Cloud,":[3],"and":[4,27,83,107,133,144,164,175,188,209,228,254],"land":[5],"Elevation":[6],"Satellite-2)":[7],"provides":[8],"abundant":[9],"ocean":[10],"satellite":[11],"altimetry":[12],"data.":[13,91,233,265],"Photon":[14],"point":[15,59,213],"clouds":[16,60],"data":[17,50,61,85,147,227,274],"denoised":[18,63,240],"by":[19,70,197],"the":[20,65,74,95,199,210,221,243,268,276,292],"official":[21],"ATL03":[22,49],"algorithm":[23,245,278],"exhibit":[24],"insufficient":[25],"continuity,":[26],"classical":[28],"gravity":[29,225,231,235,263,296],"anomaly":[30,226,232,236,264,297],"inversion":[31,298],"algorithms":[32],"suffer":[33],"from":[34],"high":[35],"computational":[36],"complexity.":[37],"To":[38],"address":[39],"these":[40],"issues,":[41],"we":[42],"propose":[43],"a":[44,249,255,283],"two-step":[45],"denoising":[46,72],"method":[47],"for":[48,119,295],"to":[51,122,140,220,267],"obtain":[52],"instantaneous":[53],"sea":[54],"surface":[55],"heights":[56],"(SSHs):":[57],"photon":[58,241],"are":[62,195],"using":[64,73],"adaptive":[66],"OPTICS":[67],"algorithm,":[68],"followed":[69],"secondary":[71],"Linear-Interquartile":[75],"algorithm.":[76],"resulting":[78],"SSHs":[79],"demonstrate":[80],"superior":[81],"continuity":[82],"larger":[84],"volume":[86],"than":[87],"those":[88],"of":[89,160,202,252,258,287],"ATL12":[90,273],"This":[92],"paper":[93],"proposes":[94],"Attention-GraphSAGE":[96,244],"algorithm\u2014a":[97],"graph":[98],"neural":[99],"network":[100],"approach":[101],"based":[102],"on":[103],"neighbor":[104,130,177,207],"node":[105,131,208],"sampling":[106,132],"self-attention-weighted":[108],"feature":[109,156],"aggregation.":[110],"An":[111],"Adam":[112],"optimizer":[113],"with":[114,135,242,261,275,300],"L2":[115],"regularization":[116],"is":[117],"employed":[118],"iterative":[120],"training":[121],"achieve":[123],"nonlinear":[124],"fitting.":[125],"architecture":[127],"incorporates":[128],"two-layer":[129],"aggregation,":[134],"residual":[136],"connections":[137,184],"between":[138,172,185,205,223],"layers":[139],"prevent":[141],"gradient":[142],"explosion":[143],"preserve":[145],"original":[146],"features.":[148],"During":[149],"model":[150,237,269,302],"training,":[151],"each":[152,206],"input":[153],"contains":[154],"81\u00d781\u00d74":[155],"values.":[157],"Nodes":[158],"consist":[159],"shipborne":[161,173,211,224,262],"measurement":[162,212],"points":[163,174,187],"surrounding":[165],"grid":[166,186],"points;":[167],"edges":[168],"represent":[169],"connection":[170],"relationships":[171],"first-layer":[176],"nodes":[178,190],"(grid":[179,191],"points),":[180],"as":[181,183],"well":[182],"second-layer":[189],"points).":[192],"Edge":[193],"weights":[194],"determined":[196],"calculating":[198],"correlation":[200,250],"coefficient":[201,251],"geoid":[203],"height":[204],"(using":[214],"self-attention":[215],"mechanism).":[216],"output":[218],"corresponds":[219],"difference":[222],"SIO":[229],"V32.1":[230],"inverted":[238,270],"utilizing":[239,272],"(AGP-GRA":[246],"model)":[247],"demonstrated":[248],"0.99":[253],"standard":[256,284],"deviation":[257,285],"3.36":[259],"mGal":[260],"Compared":[266],"directly":[271],"same":[277],"(AGA-GRA":[279],"model),":[280],"this":[281],"represents":[282],"reduction":[286],"0.09":[288],"mGal.":[289],"Experiments":[290],"confirm":[291],"algorithm\u2019s":[293],"effectiveness":[294],"demonstrating":[299],"favorable":[301],"performance.":[303]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-11-11T00:00:00"}
