{"id":"https://openalex.org/W2919192363","doi":"https://doi.org/10.1109/tencon.2018.8650285","title":"An Image Analysis Method for Lettuce Leaf and Root Growth Analysis in Hydroponic Culture","display_name":"An Image Analysis Method for Lettuce Leaf and Root Growth Analysis in Hydroponic Culture","publication_year":2018,"publication_date":"2018-10-01","ids":{"openalex":"https://openalex.org/W2919192363","doi":"https://doi.org/10.1109/tencon.2018.8650285","mag":"2919192363"},"language":"en","primary_location":{"id":"doi:10.1109/tencon.2018.8650285","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tencon.2018.8650285","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"TENCON 2018 - 2018 IEEE Region 10 Conference","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/A5101822458","display_name":"Takumi Okamoto","orcid":"https://orcid.org/0009-0003-7003-1312"},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takumi Okamoto","raw_affiliation_strings":["Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan"],"affiliations":[{"raw_affiliation_string":"Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047306685","display_name":"Yasunori Sakane","orcid":null},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasunori Sakane","raw_affiliation_strings":["Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan"],"affiliations":[{"raw_affiliation_string":"Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025654896","display_name":"Tetsushi Koide","orcid":null},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsushi Koide","raw_affiliation_strings":["Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan"],"affiliations":[{"raw_affiliation_string":"Research Institute for Nanodevice and Bio Systemsm, Hiroshima Univ., Japan","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026412739","display_name":"Atsushi Ogawa","orcid":"https://orcid.org/0000-0002-2537-7248"},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Ogawa","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103455718","display_name":"Masashi Komine","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masashi Komine","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048139450","display_name":"Chiharu Sone","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Chiharu Sone","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016239005","display_name":"Yoshihiro Kaneta","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihiro Kaneta","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076409131","display_name":"Yukio Yaji","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yukio Yaji","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058696891","display_name":"Kyoko Toyofuku","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kyoko Toyofuku","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101139687","display_name":"Takahiro Kamata","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takahiro Kamata","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109342138","display_name":"Ken Kimura","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ken Kimura","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067469453","display_name":"Yoko Ishikawa","orcid":null},"institutions":[{"id":"https://openalex.org/I5467274","display_name":"Akita Prefectural University","ror":"https://ror.org/05b1kx621","country_code":"JP","type":"education","lineage":["https://openalex.org/I5467274"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoko Ishikawa","raw_affiliation_strings":["Faculty of Bioresource Sciences, Akita Prefectural University, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Bioresource Sciences, Akita Prefectural University, Japan","institution_ids":["https://openalex.org/I5467274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042305838","display_name":"Toshihiro Kasama","orcid":"https://orcid.org/0000-0001-6753-1509"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiro Kasama","raw_affiliation_strings":["School of Engineering, The University of Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084111341","display_name":"Wojciech-Piptr Bula","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Wojciech-Piptr Bula","raw_affiliation_strings":["School of Engineering, The University of Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101060018","display_name":"Yoshishige Endo","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshishige Endo","raw_affiliation_strings":["School of Engineering, The University of Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040572180","display_name":"Ryo Miyake","orcid":"https://orcid.org/0000-0002-9170-0402"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryo Miyake","raw_affiliation_strings":["School of Engineering, The University of Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":16,"corresponding_author_ids":["https://openalex.org/A5101822458"],"corresponding_institution_ids":["https://openalex.org/I113306721"],"apc_list":null,"apc_paid":null,"fwci":1.32,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.86144414,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"0467","last_page":"0470"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10616","display_name":"Smart Agriculture and AI","score":0.9817000031471252,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10616","display_name":"Smart Agriculture and AI","score":0.9817000031471252,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12093","display_name":"Greenhouse Technology and Climate Control","score":0.9760000109672546,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13391","display_name":"Innovations in Aquaponics and Hydroponics Systems","score":0.919700026512146,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thermography","display_name":"Thermography","score":0.5505856275558472},{"id":"https://openalex.org/keywords/plant-growth","display_name":"Plant growth","score":0.5348842144012451},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49256616830825806},{"id":"https://openalex.org/keywords/light-intensity","display_name":"Light intensity","score":0.4677940011024475},{"id":"https://openalex.org/keywords/humidity","display_name":"Humidity","score":0.4470484256744385},{"id":"https://openalex.org/keywords/seeding","display_name":"Seeding","score":0.41465693712234497},{"id":"https://openalex.org/keywords/biological-system","display_name":"Biological system","score":0.41346096992492676},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3941604197025299},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3624483346939087},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.34555718302726746},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.34187039732933044},{"id":"https://openalex.org/keywords/horticulture","display_name":"Horticulture","score":0.3114665448665619},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.18370255827903748},{"id":"https://openalex.org/keywords/infrared","display_name":"Infrared","score":0.18245723843574524},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.17835527658462524},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12376260757446289},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10690826177597046},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10113400220870972},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.0956457257270813}],"concepts":[{"id":"https://openalex.org/C2779222261","wikidata":"https://www.wikidata.org/wiki/Q624587","display_name":"Thermography","level":3,"score":0.5505856275558472},{"id":"https://openalex.org/C2982966219","wikidata":"https://www.wikidata.org/wiki/Q3045481","display_name":"Plant growth","level":2,"score":0.5348842144012451},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49256616830825806},{"id":"https://openalex.org/C3020368824","wikidata":"https://www.wikidata.org/wiki/Q6546192","display_name":"Light intensity","level":2,"score":0.4677940011024475},{"id":"https://openalex.org/C151420433","wikidata":"https://www.wikidata.org/wiki/Q180600","display_name":"Humidity","level":2,"score":0.4470484256744385},{"id":"https://openalex.org/C36248471","wikidata":"https://www.wikidata.org/wiki/Q7445669","display_name":"Seeding","level":2,"score":0.41465693712234497},{"id":"https://openalex.org/C186060115","wikidata":"https://www.wikidata.org/wiki/Q30336093","display_name":"Biological system","level":1,"score":0.41346096992492676},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3941604197025299},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3624483346939087},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.34555718302726746},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34187039732933044},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3114665448665619},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.18370255827903748},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.18245723843574524},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.17835527658462524},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12376260757446289},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10690826177597046},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10113400220870972},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0956457257270813}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tencon.2018.8650285","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tencon.2018.8650285","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"TENCON 2018 - 2018 IEEE Region 10 Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2402743254","https://openalex.org/W2763697795","https://openalex.org/W2771721827","https://openalex.org/W2908984910","https://openalex.org/W6758302329"],"related_works":["https://openalex.org/W2352942191","https://openalex.org/W2390371481","https://openalex.org/W2373196487","https://openalex.org/W1987103269","https://openalex.org/W2515349569","https://openalex.org/W2620662450","https://openalex.org/W2315981300","https://openalex.org/W2389665570","https://openalex.org/W2366106936","https://openalex.org/W2332619769"],"abstract_inverted_index":{"We":[0],"are":[1,50],"going":[2],"to":[3,77,94,104],"develop":[4,95],"an":[5,16],"ultra-small":[6],"nutrients":[7],"analyzer,":[8],"a":[9,102],"compact":[10],"3D-monitor":[11],"(shape,":[12],"color,":[13],"etc.),":[14,29],"and":[15,111,119,129,132],"ultra-light":[17],"environment":[18],"sensor":[19],"(light":[20],"intensity,":[21],"temperature,":[22],"humidity,":[23],"CO":[24],"<sub":[25],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[26],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sub>":[27],",":[28],"which":[30],"can":[31],"be":[32,56],"installed":[33],"near":[34],"plants.":[35],"Accordingly,":[36],"plant":[37,47,96],"growth":[38,97,107,134],"estimation":[39,73,98],"technologies":[40],"based":[41,116],"on":[42,117],"micro-fluidic":[43],"circuit":[44],"model":[45,54],"simulating":[46],"vascular":[48],"system":[49],"being":[51],"developed.":[52],"The":[53],"will":[55],"frequently":[57],"corrected":[58],"by":[59,64,68,113,124],"using":[60],"updated":[61],"data":[62],"given":[63],"those":[65],"sensors.":[66],"Furthermore,":[67],"making":[69],"use":[70],"of":[71,108],"the":[72,106],"technologies,":[74,99],"we":[75,100],"try":[76],"find":[78],"out":[79],"suitable":[80],"cultivation":[81],"condition":[82],"for":[83],"producing":[84],"plants":[85],"having":[86],"aimed":[87],"characters.":[88],"In":[89],"this":[90],"paper,":[91],"in":[92,126,135],"order":[93],"propose":[101],"method":[103],"analyze":[105],"lettuce":[109,136],"leaves":[110],"roots":[112],"image":[114],"analysis":[115],"visible":[118],"thermography":[120],"thermal":[121],"imagers":[122],"captured":[123],"cameras":[125],"real":[127],"time":[128],"non-destructive":[130],"leaf":[131],"root":[133],"hydroponic":[137],"culture.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
