{"id":"https://openalex.org/W2954946169","doi":"https://doi.org/10.3390/rs11121487","title":"Estimation of Ground Surface and Accuracy Assessments of Growth Parameters for a Sweet Potato Community in Ridge Cultivation","display_name":"Estimation of Ground Surface and Accuracy Assessments of Growth Parameters for a Sweet Potato Community in Ridge Cultivation","publication_year":2019,"publication_date":"2019-06-23","ids":{"openalex":"https://openalex.org/W2954946169","doi":"https://doi.org/10.3390/rs11121487","mag":"2954946169"},"language":"en","primary_location":{"id":"doi:10.3390/rs11121487","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11121487","pdf_url":"https://www.mdpi.com/2072-4292/11/12/1487/pdf?version=1561285156","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/2072-4292/11/12/1487/pdf?version=1561285156","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048245421","display_name":"Poching Teng","orcid":"https://orcid.org/0000-0002-7879-7078"},"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":"Poching Teng","raw_affiliation_strings":["The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109245083","display_name":"Eiichi \u014cno","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eiichi Ono","raw_affiliation_strings":["Ministry of Climate Change and Environment, Dubai P. O. Box 1509, United Arab Emirates"],"affiliations":[{"raw_affiliation_string":"Ministry of Climate Change and Environment, Dubai P. O. Box 1509, United Arab Emirates","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100433745","display_name":"Yu Zhang","orcid":"https://orcid.org/0009-0002-5550-1753"},"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":"Yu Zhang","raw_affiliation_strings":["The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036633590","display_name":"Mitsuko Aono","orcid":"https://orcid.org/0000-0002-4452-8662"},"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":"Mitsuko Aono","raw_affiliation_strings":["National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan","institution_ids":["https://openalex.org/I200202764"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110093799","display_name":"Yo Shimizu","orcid":null},"institutions":[{"id":"https://openalex.org/I25859482","display_name":"Takasaki University of Health and Welfare","ror":"https://ror.org/00n3e1d98","country_code":"JP","type":"education","lineage":["https://openalex.org/I25859482"]},{"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":"Yo Shimizu","raw_affiliation_strings":["Faculty of Agriculture, Takasaki University of Health and Welfare, 54 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan","The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Takasaki University of Health and Welfare, 54 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan","institution_ids":["https://openalex.org/I25859482"]},{"raw_affiliation_string":"The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044150910","display_name":"Fumiki Hosoi","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":"Fumiki Hosoi","raw_affiliation_strings":["The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan"],"affiliations":[{"raw_affiliation_string":"The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070172967","display_name":"Kenji Omasa","orcid":"https://orcid.org/0000-0002-7307-046X"},"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"]},{"id":"https://openalex.org/I25859482","display_name":"Takasaki University of Health and Welfare","ror":"https://ror.org/00n3e1d98","country_code":"JP","type":"education","lineage":["https://openalex.org/I25859482"]},{"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":true,"raw_author_name":"Kenji Omasa","raw_affiliation_strings":["Faculty of Agriculture, Takasaki University of Health and Welfare, 54 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan","National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan","The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Takasaki University of Health and Welfare, 54 Nakaorui-machi, Takasaki, Gunma 370-0033, Japan","institution_ids":["https://openalex.org/I25859482"]},{"raw_affiliation_string":"National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan","institution_ids":["https://openalex.org/I200202764"]},{"raw_affiliation_string":"The University of Tokyo, Graduate School of Agricultural and Life Sciences,1-1-1 Yayoi, Bunkyo, Tokyo 113-8657, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5070172967"],"corresponding_institution_ids":["https://openalex.org/I200202764","https://openalex.org/I25859482","https://openalex.org/I74801974"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.447,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.6140943,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"12","first_page":"1487","last_page":"1487"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"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":0.9998999834060669,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9994000196456909,"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9965999722480774,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.7106965780258179},{"id":"https://openalex.org/keywords/ridge","display_name":"Ridge","score":0.6469611525535583},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.5235283374786377},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4876185953617096},{"id":"https://openalex.org/keywords/biomass","display_name":"Biomass (ecology)","score":0.4322047531604767},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4242584705352783},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3888634443283081},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20580419898033142},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1539006531238556},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.14615371823310852},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14593583345413208},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.07497712969779968}],"concepts":[{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.7106965780258179},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.6469611525535583},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.5235283374786377},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4876185953617096},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.4322047531604767},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4242584705352783},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3888634443283081},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20580419898033142},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1539006531238556},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.14615371823310852},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14593583345413208},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.07497712969779968},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs11121487","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11121487","pdf_url":"https://www.mdpi.com/2072-4292/11/12/1487/pdf?version=1561285156","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:866bb6f1dc5e498eb76c7c2f7d203433","is_oa":true,"landing_page_url":"https://doaj.org/article/866bb6f1dc5e498eb76c7c2f7d203433","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 11, Iss 12, p 1487 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/11/12/1487/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs11121487","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/rs11121487","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11121487","pdf_url":"https://www.mdpi.com/2072-4292/11/12/1487/pdf?version=1561285156","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/15","display_name":"Life in Land","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2954946169.pdf","grobid_xml":"https://content.openalex.org/works/W2954946169.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W17884494","https://openalex.org/W1713265338","https://openalex.org/W1815242979","https://openalex.org/W1966579280","https://openalex.org/W1981527205","https://openalex.org/W1983818779","https://openalex.org/W1991739869","https://openalex.org/W1996889680","https://openalex.org/W2008706659","https://openalex.org/W2054397552","https://openalex.org/W2064381770","https://openalex.org/W2073956583","https://openalex.org/W2077748035","https://openalex.org/W2082839299","https://openalex.org/W2088029368","https://openalex.org/W2110221217","https://openalex.org/W2113488626","https://openalex.org/W2123844500","https://openalex.org/W2124313187","https://openalex.org/W2124386111","https://openalex.org/W2145243492","https://openalex.org/W2151103935","https://openalex.org/W2162456434","https://openalex.org/W2229870314","https://openalex.org/W2296685749","https://openalex.org/W2328015724","https://openalex.org/W2342626385","https://openalex.org/W2511280806","https://openalex.org/W2561128195","https://openalex.org/W2565531507","https://openalex.org/W2569479441","https://openalex.org/W2606100861","https://openalex.org/W2796455819","https://openalex.org/W2806718486","https://openalex.org/W2896453082","https://openalex.org/W2909459732","https://openalex.org/W6666624097","https://openalex.org/W6725750829"],"related_works":["https://openalex.org/W4383117943","https://openalex.org/W4385180878","https://openalex.org/W4382366283","https://openalex.org/W4382519655","https://openalex.org/W4242029529","https://openalex.org/W4383117825","https://openalex.org/W32300172","https://openalex.org/W2115049406","https://openalex.org/W1972288805","https://openalex.org/W2342699137"],"abstract_inverted_index":{"There":[0],"are":[1],"only":[2],"a":[3,61,70,90,132,138,153,165],"few":[4],"studies":[5],"that":[6],"have":[7],"been":[8],"made":[9],"on":[10,190],"accuracy":[11,112,171],"assessments":[12],"of":[13,43,63,88,113,144,172],"Leaf":[14],"Area":[15],"Index":[16],"(LAI)":[17],"and":[18,102,160,182],"biomass":[19],"estimation":[20],"using":[21,137,152,164],"three-dimensional":[22],"(3D)":[23],"models":[24,57,157,176],"generated":[25,159],"by":[26,69],"structure":[27],"from":[28,60,124],"motion":[29],"(SfM)":[30],"image":[31,79],"processing.":[32,80],"In":[33],"this":[34],"study,":[35],"sweet":[36],"potato":[37],"was":[38,83,100,135],"grown":[39],"with":[40,77,98,110,168],"different":[41],"amounts":[42],"nitrogen":[44],"fertilization":[45],"in":[46,84,117],"ridge":[47,96],"cultivation":[48,97],"at":[49],"an":[50,111,169],"experimental":[51],"farm.":[52],"Three-dimensional":[53],"dense":[54],"point":[55],"cloud":[56],"were":[58,158,162,177],"constructed":[59,136],"series":[62],"two-dimensional":[64],"(2D)":[65],"color":[66,154],"images":[67],"measured":[68],"small":[71],"unmanned":[72],"aerial":[73],"vehicle":[74],"(UAV)":[75],"paired":[76],"SfM":[78],"Although":[81],"it":[82],"the":[85,103,125,129],"early":[86,126],"stage":[87],"cultivation,":[89],"complex":[91],"ground":[92,105],"surface":[93,106],"model":[94,134,167],"for":[95,147],"vegetation":[99],"generated,":[101],"uneven":[104],"could":[107],"be":[108],"estimated":[109,163,191],"1.4":[114],"cm.":[115],"Furthermore,":[116],"order":[118],"to":[119,128,179],"accurately":[120],"estimate":[121,180],"growth":[122,127],"parameters":[123],"harvest":[130],"period,":[131],"3D":[133],"root":[139,187],"mean":[140],"square":[141],"error":[142],"(RMSE)":[143],"3.3":[145],"cm":[146],"plant":[148],"height":[149],"estimation.":[150],"By":[151],"index,":[155],"voxel":[156],"LAIs":[161],"regression":[166,175],"RMSE":[170],"0.123.":[173],"Further,":[174],"used":[178],"above-ground":[181],"below-ground":[183],"biomass,":[184],"or":[185],"tuberous":[186],"weights,":[188],"based":[189],"LAIs.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}