{"id":"https://openalex.org/W2774085410","doi":"https://doi.org/10.1109/igarss.2017.8128140","title":"Estimation of leaf nitrogen content of maize based on Akaike's information criterion in Beijing","display_name":"Estimation of leaf nitrogen content of maize based on Akaike's information criterion in Beijing","publication_year":2017,"publication_date":"2017-07-01","ids":{"openalex":"https://openalex.org/W2774085410","doi":"https://doi.org/10.1109/igarss.2017.8128140","mag":"2774085410"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2017.8128140","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8128140","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"},"type":"preprint","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/A5100599550","display_name":"Haikuan Feng","orcid":"https://orcid.org/0000-0003-3312-6200"},"institutions":[{"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":"Haikuan Feng","raw_affiliation_strings":["Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063086391","display_name":"Haojie Pei","orcid":"https://orcid.org/0000-0002-4665-5657"},"institutions":[{"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"]},{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haojie Pei","raw_affiliation_strings":["Beijing Research Center for Information Technology In Agriculture, Beijing, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China","School of Surveying and land Information Engineering, Henan Polytechnic University, Jiaozuo, China"],"affiliations":[{"raw_affiliation_string":"Beijing Research Center for Information Technology In Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"School of Surveying and land Information Engineering, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015009207","display_name":"Fuqin Yang","orcid":null},"institutions":[{"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"]},{"id":"https://openalex.org/I4210094772","display_name":"Henan University of Engineering","ror":"https://ror.org/007wym039","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210094772"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fuqin Yang","raw_affiliation_strings":["Beijing Research Center for Information Technology In Agriculture, Beijing, China","College of Civil Engineering, Henan Institute of Engineering, Zhengzhou, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Research Center for Information Technology In Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"College of Civil Engineering, Henan Institute of Engineering, Zhengzhou, China","institution_ids":["https://openalex.org/I4210094772"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020713851","display_name":"Guijun Yang","orcid":"https://orcid.org/0000-0002-6425-8321"},"institutions":[{"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":["Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017381482","display_name":"Zhenhai Li","orcid":"https://orcid.org/0000-0001-9878-3274"},"institutions":[{"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":"Zhenhai Li","raw_affiliation_strings":["Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041985951","display_name":"Xiaodong Yang","orcid":"https://orcid.org/0000-0002-3553-2125"},"institutions":[{"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":"Yang Xiaodong","raw_affiliation_strings":["National Engineering Research Center for Information Technology in Agriculture, Beijing, Beijing, CN"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, Beijing, CN","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066571178","display_name":"Huiling Long","orcid":null},"institutions":[{"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":"Huiling Long","raw_affiliation_strings":["Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Agricultural Internet of Things, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Ministry of Agriculture, Key Laboratory for Information Technologies in Agriculture, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090269831","display_name":"Xiuliang Jin","orcid":"https://orcid.org/0000-0003-2720-6247"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiuliang Jin","raw_affiliation_strings":["UMR EMMAH, UAPV, France"],"affiliations":[{"raw_affiliation_string":"UMR EMMAH, UAPV, France","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5100599550"],"corresponding_institution_ids":["https://openalex.org/I4210156423"],"apc_list":null,"apc_paid":null,"fwci":0.4402,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.70266305,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"5057","last_page":"5060"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9987000226974487,"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":0.9987000226974487,"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":0.9966999888420105,"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":0.9715999960899353,"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/akaike-information-criterion","display_name":"Akaike information criterion","score":0.9310162663459778},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6863259077072144},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.6696022152900696},{"id":"https://openalex.org/keywords/coefficient-of-determination","display_name":"Coefficient of determination","score":0.5801583528518677},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.561137318611145},{"id":"https://openalex.org/keywords/content","display_name":"Content (measure theory)","score":0.49251589179039},{"id":"https://openalex.org/keywords/nitrogen","display_name":"Nitrogen","score":0.47381487488746643},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.4681568145751953},{"id":"https://openalex.org/keywords/partial-least-squares-regression","display_name":"Partial least squares regression","score":0.4509156346321106},{"id":"https://openalex.org/keywords/beijing","display_name":"Beijing","score":0.4334980249404907},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.4194398522377014},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.18110191822052002},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1466050148010254},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1363586187362671},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.12947320938110352}],"concepts":[{"id":"https://openalex.org/C126674687","wikidata":"https://www.wikidata.org/wiki/Q1662573","display_name":"Akaike information criterion","level":2,"score":0.9310162663459778},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6863259077072144},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.6696022152900696},{"id":"https://openalex.org/C128990827","wikidata":"https://www.wikidata.org/wiki/Q192830","display_name":"Coefficient of determination","level":2,"score":0.5801583528518677},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.561137318611145},{"id":"https://openalex.org/C2778152352","wikidata":"https://www.wikidata.org/wiki/Q5165061","display_name":"Content (measure theory)","level":2,"score":0.49251589179039},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.47381487488746643},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4681568145751953},{"id":"https://openalex.org/C22354355","wikidata":"https://www.wikidata.org/wiki/Q422009","display_name":"Partial least squares regression","level":2,"score":0.4509156346321106},{"id":"https://openalex.org/C2778304055","wikidata":"https://www.wikidata.org/wiki/Q657474","display_name":"Beijing","level":3,"score":0.4334980249404907},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.4194398522377014},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.18110191822052002},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1466050148010254},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1363586187362671},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.12947320938110352},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss.2017.8128140","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8128140","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-02735694v1","is_oa":false,"landing_page_url":"https://hal.inrae.fr/hal-02735694","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), IEEE Geoscience and Remote Sensing Society (GRSS). USA., Jul 2017, Fort Worth, United States. pp.4, &#x27E8;10.1109/IGARSS.2017.8128140&#x27E9;","raw_type":"Conference papers"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5299999713897705,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2089464686","https://openalex.org/W2150140969"],"related_works":["https://openalex.org/W4320029652","https://openalex.org/W4280590961","https://openalex.org/W2907193694","https://openalex.org/W4310398614","https://openalex.org/W4383721055","https://openalex.org/W2755828367","https://openalex.org/W2659933339","https://openalex.org/W2364784002","https://openalex.org/W2530466803","https://openalex.org/W2011894828"],"abstract_inverted_index":{"Nitrogen":[0],"is":[1],"one":[2,102],"of":[3,9,17,25,52,74,122,140],"the":[4,45,71,123],"important":[5],"indices":[6,37,66],"for":[7,48],"evaluation":[8],"crop":[10],"growth":[11],"and":[12,19,118,130,138,147],"output":[13],"quality.":[14],"Spectral":[15],"reflectance":[16],"leaves":[18],"concurrent":[20],"leaf":[21,53,57],"nitrogen":[22,50,58],"content":[23,51,59],"parameters":[24],"samples":[26],"were":[27,38,127,144],"acquired":[28],"in":[29,54],"maize":[30,141],"test.":[31],"The":[32,56,84,95,107],"top":[33],"10":[34],"different":[35,64],"vegetation":[36,65],"chosen":[39],"after":[40],"ranking":[41],"with":[42,63],"VIP":[43],"as":[44],"independent":[46],"variable":[47,75],"estimating":[49],"maize.":[55],"(LNC)":[60],"estimation":[61],"model":[62,73,86,97,125],"can":[67],"be":[68],"built":[69],"using":[70,90],"integrated":[72],"importance":[76],"projection":[77],"(VIP)":[78],"\u2014":[79],"partial":[80],"least":[81],"squares":[82],"(PLS).":[83],"optimal":[85,96,124],"was":[87,98],"selected":[88],"by":[89,100,142],"Akaike's":[91],"Information":[92],"Criterion":[93],"(AIC).":[94],"validated":[99],"leave":[101],"out":[103],"cross-validation":[104],"(LOOCV)":[105],"method.":[106],"decision":[108],"coefficient":[109],"(R":[110],"<sup":[111,133],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[112,134],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[113,135],"),":[114],"root-mean-square":[115],"error":[116,120],"(RMSE)":[117],"relative":[119],"(RE)":[121],"respectively":[126],"0.73,":[128,145],"0.16":[129],"0;":[131],"R":[132],",":[136],"RMSE":[137],"RE":[139],"validating":[143],"0.19":[146],"0,":[148],"respectively.":[149]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2025-10-10T00:00:00"}