{"id":"https://openalex.org/W3185695161","doi":"https://doi.org/10.1109/whispers52202.2021.9484021","title":"Analysis and Model Development of Direct Hyperspectral Chlorophyll-A Estimation for Remote Sensing Satellites","display_name":"Analysis and Model Development of Direct Hyperspectral Chlorophyll-A Estimation for Remote Sensing Satellites","publication_year":2021,"publication_date":"2021-03-24","ids":{"openalex":"https://openalex.org/W3185695161","doi":"https://doi.org/10.1109/whispers52202.2021.9484021","mag":"3185695161"},"language":"en","primary_location":{"id":"doi:10.1109/whispers52202.2021.9484021","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers52202.2021.9484021","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 11th Workshop on Hyperspectral Imaging and Signal Processing: Evolution in Remote Sensing (WHISPERS)","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":"https://openalex.org/A5008150793","display_name":"Sivert Bakken","orcid":"https://orcid.org/0000-0001-8293-8876"},"institutions":[{"id":"https://openalex.org/I204778367","display_name":"Norwegian University of Science and Technology","ror":"https://ror.org/05xg72x27","country_code":"NO","type":"education","lineage":["https://openalex.org/I204778367"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Sivert Bakken","raw_affiliation_strings":["Norwegian University of Science and Technology (NTNU),Center for Autonomous Marine Operations and Systems,Department of Engineering Cybernetics,Trondheim,Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Norwegian University of Science and Technology (NTNU),Center for Autonomous Marine Operations and Systems,Department of Engineering Cybernetics,Trondheim,Norway","institution_ids":["https://openalex.org/I204778367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047395938","display_name":"Geir Johnsen","orcid":"https://orcid.org/0000-0002-2463-5903"},"institutions":[{"id":"https://openalex.org/I204778367","display_name":"Norwegian University of Science and Technology","ror":"https://ror.org/05xg72x27","country_code":"NO","type":"education","lineage":["https://openalex.org/I204778367"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Geir Johnsen","raw_affiliation_strings":["Norwegian University of Science and Technology (NTNU),Department of Biology,Trondheim,Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Norwegian University of Science and Technology (NTNU),Department of Biology,Trondheim,Norway","institution_ids":["https://openalex.org/I204778367"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012692888","display_name":"Tor Arne Johansen","orcid":"https://orcid.org/0000-0001-9440-5989"},"institutions":[{"id":"https://openalex.org/I204778367","display_name":"Norwegian University of Science and Technology","ror":"https://ror.org/05xg72x27","country_code":"NO","type":"education","lineage":["https://openalex.org/I204778367"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Tor A. Johansen","raw_affiliation_strings":["Norwegian University of Science and Technology (NTNU),Center for Autonomous Marine Operations and Systems,Department of Engineering Cybernetics,Trondheim,Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Norwegian University of Science and Technology (NTNU),Center for Autonomous Marine Operations and Systems,Department of Engineering Cybernetics,Trondheim,Norway","institution_ids":["https://openalex.org/I204778367"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I204778367"],"apc_list":null,"apc_paid":null,"fwci":0.6274,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.62047858,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"10","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"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/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"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/T10032","display_name":"Marine and coastal ecosystems","score":0.9833999872207642,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9772999882698059,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9176522493362427},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7569987773895264},{"id":"https://openalex.org/keywords/multispectral-image","display_name":"Multispectral image","score":0.7378023266792297},{"id":"https://openalex.org/keywords/phytoplankton","display_name":"Phytoplankton","score":0.5402765870094299},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.523616373538971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49027112126350403},{"id":"https://openalex.org/keywords/partial-least-squares-regression","display_name":"Partial least squares regression","score":0.44730162620544434},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13749060034751892},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.1311057209968567},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.10712072253227234}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9176522493362427},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7569987773895264},{"id":"https://openalex.org/C173163844","wikidata":"https://www.wikidata.org/wiki/Q1761440","display_name":"Multispectral image","level":2,"score":0.7378023266792297},{"id":"https://openalex.org/C2780892065","wikidata":"https://www.wikidata.org/wiki/Q184755","display_name":"Phytoplankton","level":3,"score":0.5402765870094299},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.523616373538971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49027112126350403},{"id":"https://openalex.org/C22354355","wikidata":"https://www.wikidata.org/wiki/Q422009","display_name":"Partial least squares regression","level":2,"score":0.44730162620544434},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13749060034751892},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.1311057209968567},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.10712072253227234},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/whispers52202.2021.9484021","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers52202.2021.9484021","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 11th Workshop on Hyperspectral Imaging and Signal Processing: Evolution in Remote Sensing (WHISPERS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8700000047683716,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1560724230","https://openalex.org/W1985562997","https://openalex.org/W2007101051","https://openalex.org/W2073503722","https://openalex.org/W2096272580","https://openalex.org/W2100015624","https://openalex.org/W2135046866","https://openalex.org/W2466906145","https://openalex.org/W2746817652","https://openalex.org/W2767892373","https://openalex.org/W2803964271","https://openalex.org/W2943845795","https://openalex.org/W3210249347"],"related_works":["https://openalex.org/W2072166414","https://openalex.org/W3209970181","https://openalex.org/W2060875994","https://openalex.org/W2022304901","https://openalex.org/W2018850895","https://openalex.org/W1987483041","https://openalex.org/W2385371209","https://openalex.org/W2083270190","https://openalex.org/W1991437568","https://openalex.org/W4394758899"],"abstract_inverted_index":{"The":[0],"advancement":[1],"of":[2,6,20,25,55,64,68,89,104,112],"instruments":[3],"makes":[4],"processing":[5],"hyper-spectral":[7,127],"data":[8,115],"for":[9,18,29,40,133],"monitoring":[10],"phytoplankton":[11],"dynamics":[12],"more":[13],"viable.":[14],"Methods":[15],"used":[16],"operationally":[17],"retrieval":[19],"chl-a,":[21],"an":[22],"important":[23,39],"indicator":[24],"phytoplankton,":[26],"are":[27,38],"developed":[28],"multispectral":[30],"systems":[31],"and":[32,46,76,80,106,116],"optically":[33],"deep":[34],"waters.":[35],"Coastal":[36,135],"waters":[37],"the":[41,53,69,86,90,113,130,134],"aquaculture":[42],"industry,":[43],"marine":[44],"science,":[45],"environmental":[47],"monitoring.":[48],"Data":[49],"rate":[50],"limitations":[51],"make":[52],"use":[54],"sensors":[56],"with":[57,85,109,117],"high":[58],"spectral":[59],"resolution":[60],"difficult.":[61],"Here,":[62],"estimation":[63],"chl-a":[65],"from":[66,129],"top":[67],"atmosphere":[70],"reflectance":[71],"using":[72,125],"\"Partial":[73],"Least":[74],"Squares\"-":[75],"\"Least":[77],"Absolute":[78],"Shrinkage":[79],"Selection":[81],"Operator\"-regression":[82],"is":[83,122],"compared":[84],"internal":[87],"consistency":[88],"OC4":[91],"algorithm":[92],"by":[93,124],"NASA":[94],"Ocean":[95,136],"Biology":[96],"Processing":[97],"Group.The":[98],"models":[99],"perform":[100],"better":[101],"in":[102],"terms":[103],"NRMSE":[105],"R2when":[107],"validated":[108],"a":[110,118],"subset":[111],"total":[114],"separate":[119],"scene.":[120],"This":[121],"demonstrated":[123],"experimental":[126],"scenes":[128],"Hyperspectral":[131],"Imager":[132],"(HICO)":[137],"mission,":[138],"processed":[139],"through":[140],"SeaDAS.":[141]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2025-10-10T00:00:00"}
