{"id":"https://openalex.org/W2098489177","doi":"https://doi.org/10.1109/igarss.2004.1370004","title":"A research on retrieval winter wheat ground cover by spectral indices in field","display_name":"A research on retrieval winter wheat ground cover by spectral indices in field","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2098489177","doi":"https://doi.org/10.1109/igarss.2004.1370004","mag":"2098489177"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2004.1370004","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2004.1370004","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004","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/A5044523773","display_name":"Cunjun Li","orcid":"https://orcid.org/0000-0002-7519-7990"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"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":"Cunjun Li","raw_affiliation_strings":["Institute of Agricultural Remote, Sensing and Information System, University of Zhejiang, Hangzhou, China","National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Agricultural Remote, Sensing and Information System, University of Zhejiang, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"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/A5100610290","display_name":"Jihua Wang","orcid":"https://orcid.org/0000-0002-9299-3438"},"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":"Jihua Wang","raw_affiliation_strings":["National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"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/A5100604390","display_name":"Chunjiang Zhao","orcid":"https://orcid.org/0000-0002-1448-5091"},"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":"Chunjiang Zhao","raw_affiliation_strings":["National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"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/A5107865072","display_name":"Liangyun Liu","orcid":"https://orcid.org/0000-0002-7987-037X"},"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":"Liangyun Liu","raw_affiliation_strings":["National Engineering Research Center for Information Technology in Agriculture, Beijing, China"],"affiliations":[{"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/A5052222561","display_name":"Renchao Wang","orcid":"https://orcid.org/0000-0001-6496-1810"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Renchao Wang","raw_affiliation_strings":["Institute of Agricultural Remote, Sensing and Information System, University of Zhejiang, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Institute of Agricultural Remote, Sensing and Information System, University of Zhejiang, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5044523773"],"corresponding_institution_ids":["https://openalex.org/I4210156423","https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11464889,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"6","issue":null,"first_page":"3996","last_page":"3999"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9983999729156494,"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":0.9983999729156494,"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/T13890","display_name":"Remote Sensing and Land Use","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9732000231742859,"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/vegetation","display_name":"Vegetation (pathology)","score":0.6987773180007935},{"id":"https://openalex.org/keywords/cultivar","display_name":"Cultivar","score":0.6922370195388794},{"id":"https://openalex.org/keywords/irrigation","display_name":"Irrigation","score":0.645858645439148},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6010366082191467},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5689741969108582},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.523559033870697},{"id":"https://openalex.org/keywords/near-infrared-spectroscopy","display_name":"Near-infrared spectroscopy","score":0.4989473819732666},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32506781816482544},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.32491862773895264},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.13637018203735352},{"id":"https://openalex.org/keywords/botany","display_name":"Botany","score":0.11458852887153625},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10354268550872803},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.07751452922821045}],"concepts":[{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6987773180007935},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.6922370195388794},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.645858645439148},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6010366082191467},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5689741969108582},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.523559033870697},{"id":"https://openalex.org/C43571822","wikidata":"https://www.wikidata.org/wiki/Q599037","display_name":"Near-infrared spectroscopy","level":2,"score":0.4989473819732666},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32506781816482544},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.32491862773895264},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.13637018203735352},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.11458852887153625},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10354268550872803},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.07751452922821045},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2004.1370004","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2004.1370004","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004","raw_type":"proceedings-article"}],"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":4,"referenced_works":["https://openalex.org/W1967720462","https://openalex.org/W2046079817","https://openalex.org/W2047440770","https://openalex.org/W2055145717"],"related_works":["https://openalex.org/W1549359706","https://openalex.org/W2056130536","https://openalex.org/W2121067293","https://openalex.org/W2388864357","https://openalex.org/W2783786780","https://openalex.org/W2022235180","https://openalex.org/W2793915314","https://openalex.org/W1985653416","https://openalex.org/W1484808483","https://openalex.org/W2328655198"],"abstract_inverted_index":{"The":[0,13,75,98,141],"ground":[1,25,55,99,153,183,211],"cover":[2,56,100],"of":[3,8,27,53,78,191],"vegetation":[4,17,31,137,179],"indicates":[5],"light":[6],"interceptor":[7],"plant,":[9],"and":[10,15,45,60,72,87,115,125,135,155,158,169,176,214,221],"plant":[11],"productivity.":[12],"red":[14,134,175],"near-infrared":[16,136],"indices":[18,32,124,138,180],"have":[19],"been":[20],"employed":[21],"to":[22,68,120,148,159,165,181,217],"predict":[23,182,210],"the":[24,51,131,150,192],"coverage":[26,154,184,212],"crop,":[28],"however":[29,197],"these":[30],"were":[33,65,81,90,118,139,163,185],"much":[34],"affected":[35,186],"by":[36,57,92,104,187],"uncertain":[37],"factors":[38,194],"such":[39,205],"as":[40,206],"leaf":[41,73,170,222],"color,":[42],"crop":[43],"cultivar":[44],"others.":[46],"This":[47],"work":[48],"focused":[49],"on":[50],"feasibility":[52],"predicting":[54],"near":[58,177],"infrared":[59,114,178,203],"mid-infrared":[61],"spectral":[62,156],"indices,":[63,157,204],"which":[64],"little":[66],"sensitive":[67,164,216],"cultivar,":[69,166,218],"fertilization,":[70,167,219],"irrigation":[71,168,220],"color.":[74,171,223],"digital":[76],"photographs":[77],"wheat":[79],"canopy":[80],"taken":[82],"vertically":[83],"1.5":[84],"m":[85],"aboveground":[86],"then":[88],"spectra":[89],"measured":[91],"an":[93],"ASD":[94],"Fieldspec":[95],"FR2500":[96],"spectrometer.":[97],"was":[101,146],"automatically":[102],"extracted":[103],"a":[105],"novel":[106],"image":[107],"processing":[108],"procedure.":[109],"8":[110],"diagnostic":[111],"bands":[112],"in":[113],"short-infrared":[116],"region":[117],"selected":[119],"calculate":[121],"56":[122],"ratio":[123],"28":[126],"normalized":[127],"difference":[128],"indices.":[129],"Also":[130],"popular":[132],"7":[133],"calculated.":[140],"general":[142],"linear":[143],"model":[144],"(GLM)":[145],"applied":[147],"assess":[149],"relationship":[151],"between":[152],"evaluate":[160],"whether":[161],"they":[162],"Results":[172],"showed":[173],"that":[174,201],"at":[188],"least":[189],"one":[190],"four":[193],"mentioned":[195],"above,":[196],"it":[198],"is":[199],"promising":[200],"some":[202],"R1690/R1450,":[207],"R1450/R1690,":[208],"R1450:R1690,":[209],"well":[213],"not":[215]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}