{"id":"https://openalex.org/W4205789867","doi":"https://doi.org/10.3390/rs14010189","title":"Hyperspectral Remote Sensing of TiO2 Concentration in Cementitious Material Based on Machine Learning Approaches","display_name":"Hyperspectral Remote Sensing of TiO2 Concentration in Cementitious Material Based on Machine Learning Approaches","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4205789867","doi":"https://doi.org/10.3390/rs14010189"},"language":"en","primary_location":{"id":"doi:10.3390/rs14010189","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14010189","pdf_url":"https://www.mdpi.com/2072-4292/14/1/189/pdf?version=1641031026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/14/1/189/pdf?version=1641031026","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020444760","display_name":"Tae-Min Oh","orcid":"https://orcid.org/0000-0002-1259-4796"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Tae-Min Oh","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001433200","display_name":"Seungil Baek","orcid":"https://orcid.org/0000-0002-0254-9107"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seungil Baek","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111186164","display_name":"Tae-Hyun Kong","orcid":null},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Tae-Hyun Kong","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040112771","display_name":"Sooyoon Koh","orcid":"https://orcid.org/0000-0003-1096-0956"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sooyoon Koh","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112343936","display_name":"Jaehun Ahn","orcid":null},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jaehun Ahn","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086856446","display_name":"Wonkook Kim","orcid":"https://orcid.org/0000-0002-3237-9794"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Wonkook Kim","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea","institution_ids":["https://openalex.org/I4921948"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5086856446"],"corresponding_institution_ids":["https://openalex.org/I4921948"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.2373,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.52310692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"14","issue":"1","first_page":"189","last_page":"189"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"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":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"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/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9677000045776367,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10461","display_name":"Gas Sensing Nanomaterials and Sensors","score":0.9445000290870667,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8343164920806885},{"id":"https://openalex.org/keywords/cementitious","display_name":"Cementitious","score":0.7854529619216919},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.6223860383033752},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.49769333004951477},{"id":"https://openalex.org/keywords/particulates","display_name":"Particulates","score":0.4236443042755127},{"id":"https://openalex.org/keywords/cement","display_name":"Cement","score":0.422167032957077},{"id":"https://openalex.org/keywords/photocatalysis","display_name":"Photocatalysis","score":0.4124418795108795},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3478717505931854},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.34475553035736084},{"id":"https://openalex.org/keywords/composite-material","display_name":"Composite material","score":0.25122934579849243},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1579674482345581},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.12465092539787292},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.11291885375976562}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8343164920806885},{"id":"https://openalex.org/C2779666059","wikidata":"https://www.wikidata.org/wiki/Q45190","display_name":"Cementitious","level":3,"score":0.7854529619216919},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6223860383033752},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.49769333004951477},{"id":"https://openalex.org/C24245907","wikidata":"https://www.wikidata.org/wiki/Q498957","display_name":"Particulates","level":2,"score":0.4236443042755127},{"id":"https://openalex.org/C523993062","wikidata":"https://www.wikidata.org/wiki/Q45190","display_name":"Cement","level":2,"score":0.422167032957077},{"id":"https://openalex.org/C65165184","wikidata":"https://www.wikidata.org/wiki/Q218831","display_name":"Photocatalysis","level":3,"score":0.4124418795108795},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3478717505931854},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.34475553035736084},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.25122934579849243},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1579674482345581},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.12465092539787292},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.11291885375976562},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14010189","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14010189","pdf_url":"https://www.mdpi.com/2072-4292/14/1/189/pdf?version=1641031026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:700880686f3c4fc3969b11d2a9056a23","is_oa":true,"landing_page_url":"https://doaj.org/article/700880686f3c4fc3969b11d2a9056a23","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 14, Iss 1, p 189 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/1/189/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14010189","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14010189","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14010189","pdf_url":"https://www.mdpi.com/2072-4292/14/1/189/pdf?version=1641031026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production","score":0.46000000834465027}],"awards":[{"id":"https://openalex.org/G3000389383","display_name":null,"funder_award_id":"21CTAP-C152124-03","funder_id":"https://openalex.org/F4320324625","funder_display_name":"Korea Agency for Infrastructure Technology Advancement"}],"funders":[{"id":"https://openalex.org/F4320324625","display_name":"Korea Agency for Infrastructure Technology Advancement","ror":"https://ror.org/00rxf7n07"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4205789867.pdf","grobid_xml":"https://content.openalex.org/works/W4205789867.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W933453203","https://openalex.org/W1989877189","https://openalex.org/W2006855126","https://openalex.org/W2009138842","https://openalex.org/W2010885126","https://openalex.org/W2017201564","https://openalex.org/W2062886136","https://openalex.org/W2075243627","https://openalex.org/W2084741055","https://openalex.org/W2092559783","https://openalex.org/W2095094699","https://openalex.org/W2106457350","https://openalex.org/W2159965190","https://openalex.org/W2577033002","https://openalex.org/W2743244912","https://openalex.org/W2756411468","https://openalex.org/W3093503536","https://openalex.org/W3118175983","https://openalex.org/W3138786882","https://openalex.org/W3164904587","https://openalex.org/W6624554322"],"related_works":["https://openalex.org/W2072166414","https://openalex.org/W3209970181","https://openalex.org/W2060875994","https://openalex.org/W3034375524","https://openalex.org/W4230131218","https://openalex.org/W2202470948","https://openalex.org/W2404757046","https://openalex.org/W2365787373","https://openalex.org/W2389468517","https://openalex.org/W2090848880"],"abstract_inverted_index":{"Titanium":[0],"dioxide":[1],"(TiO2)":[2],"is":[3,49,66],"a":[4,54,79,95,120,151,155,163],"photocatalyst":[5],"that":[6,83,142],"can":[7,84,179],"be":[8,180],"used":[9],"to":[10,17,30,45,51,129,158,168,182],"remove":[11],"nitrogen":[12],"oxide":[13],"(NOx).":[14],"When":[15],"applied":[16,44,181],"cementitious":[18,47,92],"materials,":[19],"it":[20],"reacts":[21],"with":[22,150,175],"photons":[23],"in":[24,37,53,90,190],"sunlight":[25],"or":[26],"artificially":[27],"generated":[28],"light":[29],"reduce":[31],"the":[32,38,46,71,86,91,99,113,131,143],"concentration":[33,41,87,106,133,148,174],"of":[34,42,62,73,88,103,185],"particulate":[35],"matter":[36],"atmosphere.":[39],"The":[40,139],"TiO2":[43,89,105,132,147,170,186],"surface":[48,93],"difficult":[50],"quantify":[52],"non-destructive":[55],"manner":[56],"after":[57],"its":[58],"application;":[59],"however,":[60],"knowledge":[61],"this":[63],"residual":[64],"amount":[65],"important":[67],"for":[68],"inspection":[69],"and":[70,107,112,154,171,187],"evaluation":[72],"life":[74],"expectancy.":[75],"This":[76,160],"study":[77,161],"proposes":[78],"remote":[80],"sensing":[81],"technique":[82],"estimate":[85,130,169],"using":[94],"hyperspectral":[96,122],"sensor.":[97,123],"In":[98],"experiment,":[100],"cement":[101],"cores":[102],"varying":[104,135],"carbon":[108,173,189],"contents":[109],"were":[110,115,126],"prepared":[111],"surfaces":[114],"observed":[116],"by":[117],"TriOS":[118],"RAMSES,":[119],"directional":[121],"Machine-learning-based":[124],"algorithms":[125,145],"then":[127],"trained":[128],"under":[134],"base":[136],"material":[137],"conditions.":[138],"results":[140],"revealed":[141],"best-performing":[144],"produced":[146],"estimates":[149],"~6%":[152],"RMSE":[153],"correlation":[156],"close":[157],"0.8.":[159],"presents":[162],"robust":[164],"machine":[165],"learning":[166],"model":[167],"activated":[172,188],"high":[176],"accuracy,":[177],"which":[178],"abrasion":[183],"monitoring":[184],"concrete":[191],"structures.":[192]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
