{"id":"https://openalex.org/W4399486959","doi":"https://doi.org/10.1109/tgrs.2024.3411916","title":"Evaluating the Accuracy of Gaussian Approximations in VSWIR Imaging Spectroscopy Retrievals","display_name":"Evaluating the Accuracy of Gaussian Approximations in VSWIR Imaging Spectroscopy Retrievals","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4399486959","doi":"https://doi.org/10.1109/tgrs.2024.3411916"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2024.3411916","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3411916","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/A5103246071","display_name":"Kelvin M. Leung","orcid":"https://orcid.org/0009-0008-4762-7229"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kelvin M. Leung","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA","Massachusetts Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Massachusetts Institute of Technology, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022369533","display_name":"David R. Thompson","orcid":"https://orcid.org/0000-0003-1100-7550"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David R. Thompson","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet Propulsion Laboratory, California Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060968836","display_name":"Jouni Susiluoto","orcid":"https://orcid.org/0000-0003-2606-7804"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jouni Susiluoto","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet Propulsion Laboratory, California Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5099073705","display_name":"Jayanth Jagalur","orcid":null},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]},{"id":"https://openalex.org/I1282311441","display_name":"Lawrence Livermore National Laboratory","ror":"https://ror.org/041nk4h53","country_code":"US","type":"facility","lineage":["https://openalex.org/I1282311441","https://openalex.org/I1330989302","https://openalex.org/I198811213","https://openalex.org/I4210138311"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jayanth Jagalur","raw_affiliation_strings":["Lawrence Livermore National Laboratory, Livermore, CA, USA","Massachusetts Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Lawrence Livermore National Laboratory, Livermore, CA, USA","institution_ids":["https://openalex.org/I1282311441"]},{"raw_affiliation_string":"Massachusetts Institute of Technology, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113702629","display_name":"Amy Braverman","orcid":null},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Amy Braverman","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","Jet Propulsion Laboratory, California Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071702167","display_name":"Youssef Marzouk","orcid":"https://orcid.org/0000-0001-8242-3290"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Youssef Marzouk","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA","Massachusetts Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Massachusetts Institute of Technology, USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103246071"],"corresponding_institution_ids":["https://openalex.org/I63966007"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07500716,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9343000054359436,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9343000054359436,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6751256585121155},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4769129455089569},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4700692296028137},{"id":"https://openalex.org/keywords/gaussian-process","display_name":"Gaussian process","score":0.4280230402946472},{"id":"https://openalex.org/keywords/imaging-spectroscopy","display_name":"Imaging spectroscopy","score":0.416806161403656},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.39744454622268677},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3509078025817871},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22768476605415344},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20500633120536804}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6751256585121155},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4769129455089569},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4700692296028137},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.4280230402946472},{"id":"https://openalex.org/C158479148","wikidata":"https://www.wikidata.org/wiki/Q609991","display_name":"Imaging spectroscopy","level":3,"score":0.416806161403656},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.39744454622268677},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3509078025817871},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22768476605415344},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20500633120536804},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2024.3411916","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3411916","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":[{"id":"https://openalex.org/G8665917006","display_name":null,"funder_award_id":"Strategic University Partnership","funder_id":"https://openalex.org/F4320332375","funder_display_name":"Jet Propulsion Laboratory"}],"funders":[{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1592510033","https://openalex.org/W1964519625","https://openalex.org/W1982234344","https://openalex.org/W1995780830","https://openalex.org/W2010205838","https://openalex.org/W2015769134","https://openalex.org/W2017696952","https://openalex.org/W2030911724","https://openalex.org/W2053469438","https://openalex.org/W2054739748","https://openalex.org/W2055489107","https://openalex.org/W2056760934","https://openalex.org/W2078136197","https://openalex.org/W2085519784","https://openalex.org/W2088469973","https://openalex.org/W2108207895","https://openalex.org/W2508244134","https://openalex.org/W2848712137","https://openalex.org/W2883362252","https://openalex.org/W2884583522","https://openalex.org/W2963964397","https://openalex.org/W2971427669","https://openalex.org/W3028969457","https://openalex.org/W3133407985","https://openalex.org/W3133895055","https://openalex.org/W4323868114","https://openalex.org/W4376606129","https://openalex.org/W4391067652","https://openalex.org/W6786122475"],"related_works":["https://openalex.org/W2385371209","https://openalex.org/W4250051149","https://openalex.org/W2083270190","https://openalex.org/W1991437568","https://openalex.org/W2514046700","https://openalex.org/W2058549613","https://openalex.org/W2765547586","https://openalex.org/W2970483596","https://openalex.org/W2070598848","https://openalex.org/W2553040330"],"abstract_inverted_index":{"The":[0],"joint":[1],"retrieval":[2,73,93],"of":[3,44,69,124,175],"surface":[4,91,190],"reflectances":[5],"and":[6,25,170,187],"atmospheric":[7,181],"parameters":[8],"in":[9,99,132,152,179],"visible/short-wave":[10],"infrared":[11],"(VSWIR)":[12],"imaging":[13],"spectroscopy":[14],"is":[15,39,57,74,136],"a":[16,58,82,142],"computationally":[17,75,138],"challenging":[18],"high-dimensional":[19,89],"problem.":[20],"Using":[21],"NASA\u2019s":[22],"Surface":[23],"Biology":[24],"Geology":[26],"mission":[27],"(SBG)":[28],"as":[29],"the":[30,33,37,45,66,72,88,100,113,122,128,147,150,153,159,172,176,180,188],"motivational":[31],"context,":[32],"uncertainty":[34,63],"associated":[35],"with":[36],"retrievals":[38,134],"crucial":[40],"for":[41,48,62,71,87],"further":[42],"application":[43],"retrieved":[46],"results":[47,169],"environmental":[49],"applications.":[50],"Although":[51],"Markov":[52],"chain":[53],"Monte":[54],"Carlo":[55],"(MCMC)":[56],"Bayesian":[59,109,130],"method":[60],"ideal":[61],"quantification":[64],"(UQ),":[65],"full-dimensional":[67],"implementation":[68],"MCMC":[70,85,118,160],"intractable.":[76],"In":[77],"this":[78,117],"work,":[79],"we":[80],"developed":[81],"block":[83],"Metropolis":[84],"algorithm":[86,119,131,161],"VSWIR":[90],"reflectance":[92],"that":[94],"leverages":[95],"conditional":[96],"linearity":[97],"structure":[98,174],"forward":[101],"radiative":[102],"transfer":[103],"model":[104],"to":[105,120,145,164],"enable":[106],"tractable":[107],"fully":[108],"computation.":[110],"We":[111],"use":[112],"posterior":[114,154],"distribution":[115],"from":[116],"assess":[121],"limitations":[123],"optimal":[125],"estimation":[126],"(OE),":[127],"state-of-the-art":[129],"operational":[133],"which":[135],"more":[137,166],"efficient":[139],"but":[140],"uses":[141],"Gaussian":[143],"approximation":[144],"characterize":[146],"posterior.":[148],"Analyzing":[149],"differences":[151],"computed":[155],"by":[156],"each":[157],"method,":[158],"was":[162],"shown":[163],"give":[165],"physically":[167],"sensible":[168],"reveals":[171],"non-Gaussian":[173],"posterior,":[177],"specifically":[178],"aerosol":[182],"optical":[183],"depth":[184],"(AOD)":[185],"parameter":[186],"low-wavelength":[189],"reflectances.":[191]},"counts_by_year":[],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}