{"id":"https://openalex.org/W2903788403","doi":"https://doi.org/10.3390/rs10122068","title":"A Novel Tilt Correction Technique for Irradiance Sensors and Spectrometers On-Board Unmanned Aerial Vehicles","display_name":"A Novel Tilt Correction Technique for Irradiance Sensors and Spectrometers On-Board Unmanned Aerial Vehicles","publication_year":2018,"publication_date":"2018-12-19","ids":{"openalex":"https://openalex.org/W2903788403","doi":"https://doi.org/10.3390/rs10122068","mag":"2903788403"},"language":"en","primary_location":{"id":"doi:10.3390/rs10122068","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10122068","pdf_url":"https://www.mdpi.com/2072-4292/10/12/2068/pdf?version=1545217535","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/2072-4292/10/12/2068/pdf?version=1545217535","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014491014","display_name":"Juha Suomalainen","orcid":"https://orcid.org/0000-0003-2029-8820"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Juha Suomalainen","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0003-2029-8820","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011450440","display_name":"Teemu Hakala","orcid":"https://orcid.org/0000-0001-5486-4582"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Teemu Hakala","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0001-5486-4582","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062318076","display_name":"Raquel Alves de Oliveira","orcid":"https://orcid.org/0000-0002-5308-8259"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Raquel Alves de Oliveira","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0002-5308-8259","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086480276","display_name":"Lauri Markelin","orcid":"https://orcid.org/0000-0002-1570-4196"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Lauri Markelin","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0002-1570-4196","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112259914","display_name":"Niko Viljanen","orcid":null},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Niko Viljanen","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0002-6307-1637","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018473742","display_name":"Roope N\u00e4si","orcid":"https://orcid.org/0000-0002-5823-8180"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Roope N\u00e4si","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0002-5823-8180","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010833142","display_name":"Eija Honkavaara","orcid":"https://orcid.org/0000-0002-7236-2145"},"institutions":[{"id":"https://openalex.org/I33876163","display_name":"Finnish Geospatial Research Institute","ror":"https://ror.org/01zv3gf04","country_code":"FI","type":"facility","lineage":["https://openalex.org/I33876163"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Eija Honkavaara","raw_affiliation_strings":["Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland"],"raw_orcid":"https://orcid.org/0000-0002-7236-2145","affiliations":[{"raw_affiliation_string":"Finnish Geospatial Research Institute (FGI), National Land Survey of Finland (NLS), Geodeetinrinne 2, 02430 Masala, Finland","institution_ids":["https://openalex.org/I33876163"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5014491014"],"corresponding_institution_ids":["https://openalex.org/I33876163"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.8803,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.84033176,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"10","issue":"12","first_page":"2068","last_page":"2068"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental 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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental 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/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9959999918937683,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/irradiance","display_name":"Irradiance","score":0.8609356880187988},{"id":"https://openalex.org/keywords/gimbal","display_name":"Gimbal","score":0.7860758304595947},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7144578099250793},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4954909086227417},{"id":"https://openalex.org/keywords/photogrammetry","display_name":"Photogrammetry","score":0.4911606013774872},{"id":"https://openalex.org/keywords/tilt","display_name":"Tilt (camera)","score":0.48541125655174255},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4526798129081726},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.245559424161911},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.24223169684410095},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1307409703731537},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12136954069137573}],"concepts":[{"id":"https://openalex.org/C46423501","wikidata":"https://www.wikidata.org/wiki/Q830654","display_name":"Irradiance","level":2,"score":0.8609356880187988},{"id":"https://openalex.org/C125750033","wikidata":"https://www.wikidata.org/wiki/Q1146104","display_name":"Gimbal","level":2,"score":0.7860758304595947},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7144578099250793},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4954909086227417},{"id":"https://openalex.org/C117455697","wikidata":"https://www.wikidata.org/wiki/Q190149","display_name":"Photogrammetry","level":2,"score":0.4911606013774872},{"id":"https://openalex.org/C2779844322","wikidata":"https://www.wikidata.org/wiki/Q2919140","display_name":"Tilt (camera)","level":2,"score":0.48541125655174255},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4526798129081726},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.245559424161911},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24223169684410095},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1307409703731537},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12136954069137573},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs10122068","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10122068","pdf_url":"https://www.mdpi.com/2072-4292/10/12/2068/pdf?version=1545217535","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:8271bbe3c68d4d4e822f95acceaaf5a2","is_oa":true,"landing_page_url":"https://doaj.org/article/8271bbe3c68d4d4e822f95acceaaf5a2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 10, Iss 12, p 2068 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/10/12/2068/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs10122068","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; Volume 10; Issue 12; Pages: 2068","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs10122068","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10122068","pdf_url":"https://www.mdpi.com/2072-4292/10/12/2068/pdf?version=1545217535","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":[],"awards":[{"id":"https://openalex.org/G2534833622","display_name":null,"funder_award_id":"305994","funder_id":"https://openalex.org/F4320321108","funder_display_name":"Academy of Finland"},{"id":"https://openalex.org/G8069612277","display_name":null,"funder_award_id":"1617/31/2016","funder_id":"https://openalex.org/F4320328501","funder_display_name":"Business Finland"}],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"},{"id":"https://openalex.org/F4320328501","display_name":"Business Finland","ror":"https://ror.org/05bgf9v38"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2903788403.pdf"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W261094853","https://openalex.org/W1848144067","https://openalex.org/W1976831936","https://openalex.org/W1995248381","https://openalex.org/W2006588449","https://openalex.org/W2011863027","https://openalex.org/W2017859040","https://openalex.org/W2057618993","https://openalex.org/W2063699992","https://openalex.org/W2079958139","https://openalex.org/W2102881934","https://openalex.org/W2103911239","https://openalex.org/W2114423066","https://openalex.org/W2116931356","https://openalex.org/W2133125644","https://openalex.org/W2144008549","https://openalex.org/W2144529612","https://openalex.org/W2151896708","https://openalex.org/W2151996310","https://openalex.org/W2153958436","https://openalex.org/W2160901490","https://openalex.org/W2341733731","https://openalex.org/W2415769418","https://openalex.org/W2565705615","https://openalex.org/W2591466624","https://openalex.org/W2611612815","https://openalex.org/W2665869568","https://openalex.org/W2758681934","https://openalex.org/W2770928509","https://openalex.org/W2789410971","https://openalex.org/W2793360282","https://openalex.org/W2801537173","https://openalex.org/W2802904960","https://openalex.org/W2837916766","https://openalex.org/W2843415492","https://openalex.org/W6675595477","https://openalex.org/W6704233014","https://openalex.org/W6746637936"],"related_works":["https://openalex.org/W2365225477","https://openalex.org/W2384517232","https://openalex.org/W154709440","https://openalex.org/W2024266781","https://openalex.org/W1633054722","https://openalex.org/W2524102889","https://openalex.org/W2351888857","https://openalex.org/W2589848582","https://openalex.org/W1587633596","https://openalex.org/W3005992847"],"abstract_inverted_index":{"In":[0,64,226,244],"unstable":[1,246],"atmospheric":[2],"conditions,":[3],"using":[4],"on-board":[5,148,203,277],"irradiance":[6,97,111,174,187,206,278,305],"sensors":[7,30,306],"is":[8,102,157,189],"one":[9],"of":[10,37,50,95,183,205,230,249,295],"the":[11,38,69,79,96,110,125,132,173,197,228,241,245,250,253,257,271,276,293,296],"only":[12],"robust":[13],"methods":[14],"to":[15,25,35,146,201,217,224,233,262,287,311],"convert":[16],"unmanned":[17],"aerial":[18,236],"vehicle":[19],"(UAV)-based":[20],"optical":[21,90],"remote":[22],"sensing":[23],"data":[24,134],"reflectance":[26,272],"factors.":[27],"Normally,":[28],"such":[29,48],"experience":[31],"significant":[32],"errors":[33],"due":[34],"tilting":[36],"UAV,":[39],"if":[40,307],"not":[41,310],"installed":[42,59,313],"on":[43,60,159,314],"a":[44,86,103,184,315],"stabilizing":[45],"gimbal.":[46,316],"Unfortunately,":[47],"gimbals":[49],"sufficient":[51],"accuracy":[52,209,229],"are":[53,164,309],"heavy,":[54],"cumbersome,":[55],"and":[56,85,91,122,142,196,219,256,266,275],"cannot":[57],"be":[58,312],"all":[61,302],"UAV":[62,214,304],"platforms.":[63],"this":[65],"paper,":[66],"we":[67],"present":[68],"FGI":[70,100,129,192,231,254],"Aerial":[71],"Image":[72],"Reference":[73],"System":[74],"(FGI":[75],"AIRS)":[76],"developed":[77],"at":[78,176,207,213,221],"Finnish":[80],"Geospatial":[81],"Research":[82],"Institute":[83],"(FGI)":[84],"novel":[87,154],"method":[88,156,198,300],"for":[89,106,124,138],"mathematical":[92],"tilt":[93,283,298],"correction":[94,155,284,299],"measurements.":[98],"The":[99,128,153,191,290],"AIRS":[101,130,193,232,255],"sensor":[104,178,188,279],"unit":[105],"UAVs":[107],"that":[108,163],"provides":[109],"spectrum,":[112],"Real":[113],"Time":[114],"Kinematic":[115,118],"(RTK)/Post":[116],"Processed":[117],"(PPK)":[119],"GNSS":[120],"position,":[121],"orientation":[123],"attached":[126],"cameras.":[127],"processes":[131],"reference":[133,273],"in":[135,167,301],"real":[136],"time":[137],"each":[139],"acquired":[140],"image":[141],"can":[143],"send":[144],"it":[145],"an":[147,208],"or":[149,282],"on-cloud":[150],"processing":[151],"unit.":[152],"based":[158],"three":[160],"RGB":[161],"photodiodes":[162,171],"tilted":[165],"10\u00b0":[166,218],"opposite":[168],"directions.":[169],"These":[170],"sample":[172],"readings":[175],"different":[177],"tilts,":[179],"from":[180],"which":[181],"reading":[182],"virtual":[185],"horizontal":[186],"calculated.":[190],"was":[194,199,238],"tested,":[195],"shown":[200],"allow":[202],"measurement":[204],"better":[210],"than":[211],"\u00b10.8%":[212],"tilts":[215,222],"up":[216,223],"\u00b11.2%":[220],"15\u00b0.":[225],"addition,":[227],"produce":[234,263],"reflectance-factor-calibrated":[235],"images":[237],"compared":[239],"against":[240],"traditional":[242],"methods.":[243],"weather":[247],"conditions":[248],"experiment,":[251],"both":[252,285],"on-ground":[258],"spectrometer":[259],"were":[260],"able":[261],"radiometrically":[264],"accurate":[265],"visually":[267],"pleasing":[268],"orthomosaics,":[269],"while":[270],"panels":[274],"without":[280],"stabilization":[281],"failed":[286],"do":[288],"so.":[289],"authors":[291],"recommend":[292],"implementation":[294],"proposed":[297],"future":[303],"they":[308]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":2}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2018-12-22T00:00:00"}
