{"id":"https://openalex.org/W4283323929","doi":"https://doi.org/10.3390/agronomy12071497","title":"Improving the Estimation of Apple Leaf Photosynthetic Pigment Content Using Fractional Derivatives and Machine Learning","display_name":"Improving the Estimation of Apple Leaf Photosynthetic Pigment Content Using Fractional Derivatives and Machine Learning","publication_year":2022,"publication_date":"2022-06-22","ids":{"openalex":"https://openalex.org/W4283323929","doi":"https://doi.org/10.3390/agronomy12071497"},"language":"en","primary_location":{"id":"doi:10.3390/agronomy12071497","doi":"https://doi.org/10.3390/agronomy12071497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/agronomy12071497","pdf_url":"https://www.mdpi.com/2073-4395/12/7/1497/pdf?version=1655977156","source":{"id":"https://openalex.org/S2738977497","display_name":"Agronomy","issn_l":"2073-4395","issn":["2073-4395"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-4395/12/7/1497/pdf?version=1655977156","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046172324","display_name":"Jinpeng Cheng","orcid":"https://orcid.org/0000-0002-5281-8846","observed_orcids":["https://orcid.org/0000-0002-5281-8846"]},"institutions":[{"id":"https://openalex.org/I31683504","display_name":"Beijing Forestry University","ror":"https://ror.org/04xv2pc41","country_code":"CN","type":"education","lineage":["https://openalex.org/I1327237609","https://openalex.org/I31683504","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210134523","display_name":"State Forestry and Grassland Administration","ror":"https://ror.org/03f2n3n81","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210134523"]},{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinpeng Cheng","raw_affiliation_strings":["Engineering Research Center for Forestry-Oriented Intelligent Information Processing, National Forestry and Grassland Administration, Beijing 100083, China","Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","School of Information Science and Technology, Beijing Forestry University, Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Research Center for Forestry-Oriented Intelligent Information Processing, National Forestry and Grassland Administration, Beijing 100083, China","institution_ids":["https://openalex.org/I4210134523"]},{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"School of Information Science and Technology, Beijing Forestry University, Beijing 100083, China","institution_ids":["https://openalex.org/I31683504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020713851","display_name":"Guijun Yang","orcid":"https://orcid.org/0000-0002-6425-8321","observed_orcids":["https://orcid.org/0000-0002-6425-8321"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guijun Yang","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041978290","display_name":"Weimeng Xu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weimeng Xu","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100599550","display_name":"Haikuan Feng","orcid":"https://orcid.org/0000-0003-3312-6200","observed_orcids":["https://orcid.org/0000-0003-3312-6200"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haikuan Feng","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102514771","display_name":"Shaoyu Han","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaoyu Han","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100348898","display_name":"Miao Liu","orcid":"https://orcid.org/0000-0002-3372-9186","observed_orcids":["https://orcid.org/0000-0002-3372-9186"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Miao Liu","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015868975","display_name":"Fa Zhao","orcid":"https://orcid.org/0000-0002-9504-9565","observed_orcids":["https://orcid.org/0000-0002-9504-9565"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fa Zhao","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001760285","display_name":"Yaohui Zhu","orcid":"https://orcid.org/0000-0002-8335-8045","observed_orcids":["https://orcid.org/0000-0002-8335-8045","https://orcid.org/0009-0005-9472-4871"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaohui Zhu","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":"https://orcid.org/0000-0002-8335-8045","affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101698528","display_name":"Yu Zhao","orcid":"https://orcid.org/0000-0002-1534-985X","observed_orcids":["https://orcid.org/0000-0002-1534-985X"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhao","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067670757","display_name":"Baoguo Wu","orcid":"https://orcid.org/0000-0002-4145-4450","observed_orcids":["https://orcid.org/0000-0002-4145-4450"]},"institutions":[{"id":"https://openalex.org/I31683504","display_name":"Beijing Forestry University","ror":"https://ror.org/04xv2pc41","country_code":"CN","type":"education","lineage":["https://openalex.org/I1327237609","https://openalex.org/I31683504","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210134523","display_name":"State Forestry and Grassland Administration","ror":"https://ror.org/03f2n3n81","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210134523"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Baoguo Wu","raw_affiliation_strings":["Engineering Research Center for Forestry-Oriented Intelligent Information Processing, National Forestry and Grassland Administration, Beijing 100083, China","School of Information Science and Technology, Beijing Forestry University, Beijing 100083, China"],"raw_orcid":"https://orcid.org/0000-0002-4145-4450","affiliations":[{"raw_affiliation_string":"Engineering Research Center for Forestry-Oriented Intelligent Information Processing, National Forestry and Grassland Administration, Beijing 100083, China","institution_ids":["https://openalex.org/I4210134523"]},{"raw_affiliation_string":"School of Information Science and Technology, Beijing Forestry University, Beijing 100083, China","institution_ids":["https://openalex.org/I31683504"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005698391","display_name":"Hao Frank Yang","orcid":"https://orcid.org/0000-0001-8506-7295","observed_orcids":["https://orcid.org/0000-0001-8506-7295"]},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agriculture and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210146959"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Yang","raw_affiliation_strings":["Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959","https://openalex.org/I4210151987"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5005698391","https://openalex.org/A5067670757"],"corresponding_institution_ids":["https://openalex.org/I31683504","https://openalex.org/I4210134523","https://openalex.org/I4210146959","https://openalex.org/I4210151987","https://openalex.org/I4210156423"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2094},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2094},"fwci":2.1309,"has_fulltext":true,"cited_by_count":16,"citation_normalized_percentile":{"value":0.86613407,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"12","issue":"7","first_page":"1497","last_page":"1497"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.8779000043869019,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.8779000043869019,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.09080000221729279,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10616","display_name":"Smart Agriculture and AI","score":0.008500000461935997,"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/apple","display_name":"apple","score":0.7580000162124634},{"id":"https://openalex.org/keywords/chlorophyll-content","display_name":"chlorophyll content","score":0.8519999980926514},{"id":"https://openalex.org/keywords/carotenoid-content","display_name":"carotenoid content","score":0.9860000014305115},{"id":"https://openalex.org/keywords/hyperspectral-vegetation-indices","display_name":"hyperspectral vegetation indices","score":0.8330000042915344},{"id":"https://openalex.org/keywords/support-vector-regression","display_name":"support vector regression","score":0.7860000133514404},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"dimensionality reduction","score":0.7419999837875366},{"id":"https://openalex.org/keywords/phenological-phases","display_name":"phenological stages","score":0.593999981880188}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.6081368923187256},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5346493124961853},{"id":"https://openalex.org/C111771559","wikidata":"https://www.wikidata.org/wiki/Q66295","display_name":"Derivative (finance)","level":2,"score":0.45950740575790405},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.458553284406662},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40395715832710266},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39840394258499146},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.35418087244033813},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/agronomy12071497","doi":"https://doi.org/10.3390/agronomy12071497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/agronomy12071497","pdf_url":"https://www.mdpi.com/2073-4395/12/7/1497/pdf?version=1655977156","source":{"id":"https://openalex.org/S2738977497","display_name":"Agronomy","issn_l":"2073-4395","issn":["2073-4395"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3ef8272cef3c4e7db9fcd85af8a9e713","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/3ef8272cef3c4e7db9fcd85af8a9e713","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,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Agronomy, Vol 12, Iss 7, p 1497 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/agronomy12071497","doi":"https://doi.org/10.3390/agronomy12071497","is_oa":true,"landing_page_url":"https://doi.org/10.3390/agronomy12071497","pdf_url":"https://www.mdpi.com/2073-4395/12/7/1497/pdf?version=1655977156","source":{"id":"https://openalex.org/S2738977497","display_name":"Agronomy","issn_l":"2073-4395","issn":["2073-4395"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.4359000027179718,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G5737718431","display_name":null,"funder_award_id":"2017YFE0122500","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G847083205","display_name":null,"funder_award_id":"42171303","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G970513071","display_name":null,"funder_award_id":"2017YFE0122500","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4283323929.pdf","grobid_xml":"https://content.openalex.org/works/W4283323929.grobid-xml"},"referenced_works_count":65,"referenced_works":["https://openalex.org/W178779460","https://openalex.org/W289032787","https://openalex.org/W633320881","https://openalex.org/W1541175366","https://openalex.org/W1827322724","https://openalex.org/W1964656717","https://openalex.org/W1965283081","https://openalex.org/W1970664916","https://openalex.org/W2060729910","https://openalex.org/W2061186250","https://openalex.org/W2066612219","https://openalex.org/W2070564279","https://openalex.org/W2076491552","https://openalex.org/W2085281262","https://openalex.org/W2097970470","https://openalex.org/W2098247895","https://openalex.org/W2109006150","https://openalex.org/W2118703810","https://openalex.org/W2128438912","https://openalex.org/W2137608957","https://openalex.org/W2188024694","https://openalex.org/W2261059368","https://openalex.org/W2408673549","https://openalex.org/W2517171266","https://openalex.org/W2565157507","https://openalex.org/W2743327777","https://openalex.org/W2766859801","https://openalex.org/W2768210762","https://openalex.org/W2771841295","https://openalex.org/W2787179005","https://openalex.org/W2793056357","https://openalex.org/W2795360786","https://openalex.org/W2800270701","https://openalex.org/W2800472678","https://openalex.org/W2808604170","https://openalex.org/W2893188571","https://openalex.org/W2894214161","https://openalex.org/W2894712623","https://openalex.org/W2894743722","https://openalex.org/W2901420733","https://openalex.org/W2906943001","https://openalex.org/W2911964244","https://openalex.org/W2946556606","https://openalex.org/W2982996084","https://openalex.org/W2990165672","https://openalex.org/W2992086439","https://openalex.org/W2995454507","https://openalex.org/W3011462246","https://openalex.org/W3018952706","https://openalex.org/W3020894078","https://openalex.org/W3037641248","https://openalex.org/W3043213732","https://openalex.org/W3048690716","https://openalex.org/W3083167532","https://openalex.org/W3117373865","https://openalex.org/W3128164063","https://openalex.org/W3129247730","https://openalex.org/W3157611102","https://openalex.org/W3206966913","https://openalex.org/W3208754913","https://openalex.org/W4206801185","https://openalex.org/W4224227807","https://openalex.org/W4234494276","https://openalex.org/W4241285984","https://openalex.org/W4280500104"],"related_works":["https://openalex.org/W2392664124","https://openalex.org/W4413813169","https://openalex.org/W4317743607","https://openalex.org/W3037641248","https://openalex.org/W4385616911","https://openalex.org/W2095278450","https://openalex.org/W2966576764","https://openalex.org/W3206966913","https://openalex.org/W4399750175","https://openalex.org/W4367281233"],"abstract_inverted_index":{"As":[0],"a":[1,220],"key":[2],"functional":[3],"trait,":[4],"leaf":[5],"photosynthetic":[6],"pigment":[7],"content":[8,190,193],"(LPPC)":[9],"plays":[10],"an":[11],"important":[12],"role":[13],"in":[14,35,48,95,223],"the":[15,52,78,92,96,104,112,126,143,159,164,175,185,202,225,236,242],"health":[16],"status":[17],"monitoring":[18],"and":[19,30,57,84,110,134,191,210,239],"yield":[20],"estimation":[21,128,243],"of":[22,54,72,80,108,188,205,227,244],"apples.":[23],"Hyperspectral":[24],"features":[25],"including":[26],"vegetation":[27,37,168],"indices":[28],"(VIs)":[29],"derivatives":[31,56],"are":[32],"widely":[33],"used":[34,101],"retrieving":[36,49,62,224],"biophysical":[38],"parameters.":[39],"The":[40,70,147,170,216],"fractional":[41,55,82,105,144,151,217,237],"derivative":[42,83,106,145,203,218,238],"spectral":[43],"method":[44],"shows":[45],"great":[46],"potential":[47],"LPPC.":[50,90,246],"However,":[51],"performance":[53],"machine":[58],"learning":[59],"(ML)":[60],"for":[61],"apple":[63,89,245],"LPPC":[64,127,226],"still":[65],"needs":[66],"to":[67,76,87,102,121,124,140],"be":[68],"explored.":[69],"objective":[71],"this":[73,232],"study":[74,233],"is":[75],"test":[77],"capacity":[79],"using":[81,196],"ML":[85,123,132,153,160,176,240],"methods":[86,133,154,161,177],"retrieve":[88],"Here,":[91],"hyperspectral":[93],"data":[94],"400\u20132500":[97],"nm":[98],"domains":[99],"was":[100],"calculate":[103],"order":[107,204],"0.2\u20132,":[109],"then":[111],"sensitive":[113],"bands":[114],"were":[115,138,194],"screened":[116],"through":[117],"feature":[118],"dimensionality":[119],"reduction":[120],"train":[122],"build":[125],"model.":[129],"Additionally,":[130],"VIs-based":[131],"empirical":[135,181],"regression":[136,182,199],"models":[137],"developed":[139],"compare":[141],"with":[142],"methods.":[146],"results":[148,171],"showed":[149,173],"that":[150,174,235],"derivative-driven":[152],"have":[155],"higher":[156],"accuracy":[157],"than":[158,180],"driven":[162],"by":[163],"original":[165],"spectra":[166],"or":[167],"index.":[169],"also":[172],"perform":[178],"better":[179],"models.":[183],"Specifically,":[184],"best":[186],"estimates":[187],"chlorophyll":[189],"carotenoid":[192],"achieved":[195],"support":[197],"vector":[198],"(SVR)":[200],"at":[201],"0.2":[206],"(R2":[207,212],"=":[208,213],"0.78)":[209],"0.4":[211],"0.75),":[214],"respectively.":[215],"maintained":[219],"good":[221],"universality":[222],"multiple":[228],"phenological":[229],"periods.":[230],"Therefore,":[231],"highlights":[234],"improved":[241]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2}],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2022-06-24T00:00:00"}
