{"id":"https://openalex.org/W2765368003","doi":"https://doi.org/10.1109/whispers.2015.8075479","title":"Bottom-type classification in coral reef area using hyperspectral bottom index imagery","display_name":"Bottom-type classification in coral reef area using hyperspectral bottom index imagery","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W2765368003","doi":"https://doi.org/10.1109/whispers.2015.8075479","mag":"2765368003"},"language":"en","primary_location":{"id":"doi:10.1109/whispers.2015.8075479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers.2015.8075479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)","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/A5076090546","display_name":"Shinya Odagawa","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Shinya Odagawa","raw_affiliation_strings":["Asia Air Survey Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Asia Air Survey Co., Ltd","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109520887","display_name":"Tomomi Takeda","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tomomi Takeda","raw_affiliation_strings":["Japan Space Systems"],"affiliations":[{"raw_affiliation_string":"Japan Space Systems","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069754243","display_name":"Hiroya Yamano","orcid":"https://orcid.org/0000-0002-1549-2429"},"institutions":[{"id":"https://openalex.org/I200202764","display_name":"National Institute for Environmental Studies","ror":"https://ror.org/02hw5fp67","country_code":"JP","type":"education","lineage":["https://openalex.org/I200202764"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroya Yamano","raw_affiliation_strings":["National Institute for Environmental Studies"],"affiliations":[{"raw_affiliation_string":"National Institute for Environmental Studies","institution_ids":["https://openalex.org/I200202764"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083163672","display_name":"Tsuneo Matsunaga","orcid":"https://orcid.org/0000-0002-3380-5230"},"institutions":[{"id":"https://openalex.org/I200202764","display_name":"National Institute for Environmental Studies","ror":"https://ror.org/02hw5fp67","country_code":"JP","type":"education","lineage":["https://openalex.org/I200202764"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tsuneo Matsunaga","raw_affiliation_strings":["National Institute for Environmental Studies"],"affiliations":[{"raw_affiliation_string":"National Institute for Environmental Studies","institution_ids":["https://openalex.org/I200202764"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5076090546"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.23062633,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10341","display_name":"Coral and Marine Ecosystems Studies","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10341","display_name":"Coral and Marine Ecosystems Studies","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9919000267982483,"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"}},{"id":"https://openalex.org/T12697","display_name":"Water Quality Monitoring Technologies","score":0.9171000123023987,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8361261487007141},{"id":"https://openalex.org/keywords/coral-reef","display_name":"Coral reef","score":0.7730778455734253},{"id":"https://openalex.org/keywords/coral","display_name":"Coral","score":0.7213987112045288},{"id":"https://openalex.org/keywords/reef","display_name":"Reef","score":0.5524729490280151},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5331294536590576},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5256896018981934},{"id":"https://openalex.org/keywords/seagrass","display_name":"Seagrass","score":0.4778687357902527},{"id":"https://openalex.org/keywords/multispectral-image","display_name":"Multispectral image","score":0.45949840545654297},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.38111791014671326},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.30290961265563965},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.21295949816703796},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.15299788117408752}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8361261487007141},{"id":"https://openalex.org/C79367842","wikidata":"https://www.wikidata.org/wiki/Q11292","display_name":"Coral reef","level":2,"score":0.7730778455734253},{"id":"https://openalex.org/C143020374","wikidata":"https://www.wikidata.org/wiki/Q2411228","display_name":"Coral","level":2,"score":0.7213987112045288},{"id":"https://openalex.org/C77044568","wikidata":"https://www.wikidata.org/wiki/Q184358","display_name":"Reef","level":2,"score":0.5524729490280151},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5331294536590576},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5256896018981934},{"id":"https://openalex.org/C2777400808","wikidata":"https://www.wikidata.org/wiki/Q646660","display_name":"Seagrass","level":3,"score":0.4778687357902527},{"id":"https://openalex.org/C173163844","wikidata":"https://www.wikidata.org/wiki/Q1761440","display_name":"Multispectral image","level":2,"score":0.45949840545654297},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.38111791014671326},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.30290961265563965},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.21295949816703796},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.15299788117408752},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/whispers.2015.8075479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/whispers.2015.8075479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1991462310","https://openalex.org/W2054964993","https://openalex.org/W2100376666","https://openalex.org/W2142339246","https://openalex.org/W2152686492","https://openalex.org/W2157963336","https://openalex.org/W2334816873","https://openalex.org/W2529312486","https://openalex.org/W4230042163"],"related_works":["https://openalex.org/W3142168399","https://openalex.org/W4367184167","https://openalex.org/W2022304901","https://openalex.org/W2018850895","https://openalex.org/W1987483041","https://openalex.org/W2988577871","https://openalex.org/W4206979530","https://openalex.org/W2155689721","https://openalex.org/W2585840137","https://openalex.org/W2022319242"],"abstract_inverted_index":{"This":[0,57,125],"paper":[1],"describes":[2],"a":[3,60],"bottom-types":[4],"classification":[5],"method":[6,84,105,131],"for":[7,134],"mapping":[8],"shallow":[9],"coral":[10,21,25,30,42,135],"reef":[11,22,136],"area":[12,62],"using":[13,44,66],"hyperspectral":[14,72],"bottom":[15],"index":[16],"(BI)":[17],"imagery.":[18,74],"Monitoring":[19],"of":[20,102,115,123],"degradation,":[23],"especially":[24],"bleaching,":[26],"is":[27,38,77,132],"important":[28,33],"because":[29],"reefs":[31,43],"offer":[32],"ecosystem":[34],"services.":[35],"However,":[36],"it":[37],"difficult":[39],"to":[40,49,96],"monitor":[41],"spaceborne":[45],"multispectral":[46],"sensors":[47],"due":[48],"spectral":[50],"confusion":[51],"between":[52],"coral,":[53],"algae":[54],"and":[55,71],"seagrass.":[56],"study":[58,88],"develops":[59],"bottom-type":[61],"ratio":[63],"regression":[64],"model":[65],"support":[67],"vector":[68],"machine":[69],"(SVM)":[70],"BI":[73,75],"imagery":[76],"effective":[78,133],"in":[79,86],"reducing":[80],"wavelength":[81],"dependency.":[82],"The":[83],"applied":[85,104,130],"this":[87],"achieved":[89],"overall":[90,121],"accuracies":[91],"that":[92,128],"range":[93],"from":[94],"0.6":[95],"0.8.":[97],"In":[98],"addition,":[99],"the":[100,103,116,129],"effectiveness":[101],"was":[106],"confirmed":[107],"with":[108],"sample":[109,117],"size":[110,118],"reduction.":[111],"For":[112],"example,":[113],"half":[114],"produced":[119],"an":[120],"accuracy":[122],"0.6.":[124],"result":[126],"shows":[127],"monitoring.":[137]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}