{"id":"https://openalex.org/W2139856717","doi":"https://doi.org/10.1109/igarss.2009.5417755","title":"A South African initiative for pre-flight radiometric calibration of satellite imagers","display_name":"A South African initiative for pre-flight radiometric calibration of satellite imagers","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2139856717","doi":"https://doi.org/10.1109/igarss.2009.5417755","mag":"2139856717"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5417755","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417755","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5034842882","display_name":"Derek Griffith","orcid":"https://orcid.org/0000-0003-4498-9212"},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},{"id":"https://openalex.org/I66760702","display_name":"Council of Scientific and Industrial Research","ror":"https://ror.org/021wm7p51","country_code":"IN","type":"government","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210134808","https://openalex.org/I66760702"]}],"countries":["IN","ZA"],"is_corresponding":false,"raw_author_name":"D. Griffith","raw_affiliation_strings":["CSIR, South Africa","[CSIR South Africa]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CSIR, South Africa","institution_ids":["https://openalex.org/I21360634"]},{"raw_affiliation_string":"[CSIR South Africa]","institution_ids":["https://openalex.org/I66760702"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062824193","display_name":"Meena D. Lysko","orcid":"https://orcid.org/0000-0002-9014-7721"},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},{"id":"https://openalex.org/I66760702","display_name":"Council of Scientific and Industrial Research","ror":"https://ror.org/021wm7p51","country_code":"IN","type":"government","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210134808","https://openalex.org/I66760702"]}],"countries":["IN","ZA"],"is_corresponding":false,"raw_author_name":"M. D. Lysko","raw_affiliation_strings":["CSIR, South Africa","[CSIR South Africa]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CSIR, South Africa","institution_ids":["https://openalex.org/I21360634"]},{"raw_affiliation_string":"[CSIR South Africa]","institution_ids":["https://openalex.org/I66760702"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048506343","display_name":"Dirk F. Bezuidenhout","orcid":null},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},{"id":"https://openalex.org/I66760702","display_name":"Council of Scientific and Industrial Research","ror":"https://ror.org/021wm7p51","country_code":"IN","type":"government","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210134808","https://openalex.org/I66760702"]}],"countries":["IN","ZA"],"is_corresponding":false,"raw_author_name":"D. Bezuidenhout","raw_affiliation_strings":["CSIR, South Africa","[CSIR South Africa]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CSIR, South Africa","institution_ids":["https://openalex.org/I21360634"]},{"raw_affiliation_string":"[CSIR South Africa]","institution_ids":["https://openalex.org/I66760702"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"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":0.56512734,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"III","last_page":"283"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12019","display_name":"Calibration and Measurement Techniques","score":0.9987999796867371,"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/T12019","display_name":"Calibration and Measurement Techniques","score":0.9987999796867371,"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/T13493","display_name":"Optical and Acousto-Optic Technologies","score":0.9696999788284302,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12050","display_name":"Optical Polarization and Ellipsometry","score":0.9606000185012817,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/radiance","display_name":"Radiance","score":0.9835754632949829},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.8443015813827515},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.7311223149299622},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7287209630012512},{"id":"https://openalex.org/keywords/radiometric-calibration","display_name":"Radiometric calibration","score":0.7242116928100586},{"id":"https://openalex.org/keywords/earth-observation-satellite","display_name":"Earth observation satellite","score":0.6387417316436768},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5860699415206909},{"id":"https://openalex.org/keywords/earth-observation","display_name":"Earth observation","score":0.5045939683914185},{"id":"https://openalex.org/keywords/radiometric-dating","display_name":"Radiometric dating","score":0.42629826068878174},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37685802578926086},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3371475040912628},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23208588361740112},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11839115619659424},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10404038429260254},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.10403633117675781}],"concepts":[{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.9835754632949829},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.8443015813827515},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.7311223149299622},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7287209630012512},{"id":"https://openalex.org/C2778522173","wikidata":"https://www.wikidata.org/wiki/Q7281293","display_name":"Radiometric calibration","level":3,"score":0.7242116928100586},{"id":"https://openalex.org/C2987528665","wikidata":"https://www.wikidata.org/wiki/Q854845","display_name":"Earth observation satellite","level":3,"score":0.6387417316436768},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5860699415206909},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.5045939683914185},{"id":"https://openalex.org/C170187044","wikidata":"https://www.wikidata.org/wiki/Q214753","display_name":"Radiometric dating","level":2,"score":0.42629826068878174},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37685802578926086},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3371475040912628},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23208588361740112},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11839115619659424},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10404038429260254},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.10403633117675781},{"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/igarss.2009.5417755","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417755","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.8199999928474426}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320719","display_name":"Department of Science and Technology, Ministry of Science and Technology, India","ror":"https://ror.org/0101xrq71"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2000965633","https://openalex.org/W2006158796","https://openalex.org/W2620025859"],"related_works":["https://openalex.org/W804912648","https://openalex.org/W1965942415","https://openalex.org/W2371834794","https://openalex.org/W2059949771","https://openalex.org/W2375831854","https://openalex.org/W3044852388","https://openalex.org/W1999131658","https://openalex.org/W2030260829","https://openalex.org/W2036520892","https://openalex.org/W2139856717"],"abstract_inverted_index":{"Internationally,":[0],"the":[1,10,36,51,64,87],"remote":[2],"observation":[3],"of":[4,40,50,66,81],"Earth":[5,23],"is":[6,26,73],"rapidly":[7],"maturing":[8],"alongside":[9],"need":[11],"for":[12,28,77],"higher":[13],"accuracy":[14,45],"in":[15,22],"radiance":[16,24,44,79],"measurements.":[17],"Accuracy":[18],"of,":[19],"and":[20,35,38,54],"confidence":[21],"measurements":[25],"vital":[27],"applications":[29],"such":[30],"as":[31],"climate":[32],"change":[33],"analysis":[34],"forecasting":[37],"detection":[39],"natural":[41],"hazards.":[42],"The":[43],"depends":[46],"on":[47,63],"pre-launch":[48],"calibration":[49,80,90],"observing":[52],"instruments":[53],"continuous":[55],"post-launch":[56],"sensor":[57],"assessment.":[58],"South":[59],"Africa,":[60],"a":[61,68,75],"country":[62],"brink":[65],"taking":[67],"giant":[69],"leap":[70],"into":[71],"space,":[72],"preparing":[74],"facility":[76],"spectral":[78],"satellite":[82],"imagers.":[83],"This":[84],"paper":[85],"describes":[86],"pre-flight":[88],"radiometric":[89],"facility.":[91]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}