{"id":"https://openalex.org/W4414229139","doi":"https://doi.org/10.1109/lgrs.2025.3610158","title":"Optimal Spatial Resolution Identification in UAV Hyperspectral Imagery for Soil Pb Content Estimation","display_name":"Optimal Spatial Resolution Identification in UAV Hyperspectral Imagery for Soil Pb Content Estimation","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4414229139","doi":"https://doi.org/10.1109/lgrs.2025.3610158"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2025.3610158","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2025.3610158","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-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":null,"display_name":"Hongxu Guo","orcid":"https://orcid.org/0009-0000-0511-3475"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hongxu Guo","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":"https://orcid.org/0009-0000-0511-3475","affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yihan Qiu","orcid":"https://orcid.org/0009-0009-8827-5271"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yihan Qiu","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":"https://orcid.org/0009-0009-8827-5271","affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015823499","display_name":"Kai Yang","orcid":"https://orcid.org/0000-0003-0767-2451"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Yang","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026241926","display_name":"Dongbin Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongbin Chen","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100522988","display_name":"Fan Wu","orcid":"https://orcid.org/0009-0005-6059-4722"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Wu","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114232643","display_name":"Ziyan Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyan Yang","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010021474","display_name":"Zeyu Chen","orcid":"https://orcid.org/0009-0007-7376-1934"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zeyu Chen","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050224100","display_name":"Rongbo Xiao","orcid":"https://orcid.org/0000-0001-7297-7679"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rongbo Xiao","raw_affiliation_strings":["School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Architecture and Urban Planning, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139024713"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.26278647,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.920799970626831,"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"}},"topics":[{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.920799970626831,"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.9161999821662903,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.916100025177002,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8960999846458435},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.614799976348877},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.5372999906539917},{"id":"https://openalex.org/keywords/precision-agriculture","display_name":"Precision agriculture","score":0.47620001435279846},{"id":"https://openalex.org/keywords/soil-test","display_name":"Soil test","score":0.38769999146461487},{"id":"https://openalex.org/keywords/spatial-variability","display_name":"Spatial variability","score":0.3846000134944916},{"id":"https://openalex.org/keywords/soil-contamination","display_name":"Soil contamination","score":0.362199991941452},{"id":"https://openalex.org/keywords/image-fusion","display_name":"Image fusion","score":0.3450999855995178},{"id":"https://openalex.org/keywords/pollutant","display_name":"Pollutant","score":0.33629998564720154}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8960999846458435},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6251999735832214},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6208999752998352},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.614799976348877},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.5372999906539917},{"id":"https://openalex.org/C120217122","wikidata":"https://www.wikidata.org/wiki/Q740083","display_name":"Precision agriculture","level":3,"score":0.47620001435279846},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.4392000138759613},{"id":"https://openalex.org/C50516716","wikidata":"https://www.wikidata.org/wiki/Q877107","display_name":"Soil test","level":3,"score":0.38769999146461487},{"id":"https://openalex.org/C94747663","wikidata":"https://www.wikidata.org/wiki/Q7574086","display_name":"Spatial variability","level":2,"score":0.3846000134944916},{"id":"https://openalex.org/C65580899","wikidata":"https://www.wikidata.org/wiki/Q212734","display_name":"Soil contamination","level":3,"score":0.362199991941452},{"id":"https://openalex.org/C69744172","wikidata":"https://www.wikidata.org/wiki/Q860822","display_name":"Image fusion","level":3,"score":0.3450999855995178},{"id":"https://openalex.org/C82685317","wikidata":"https://www.wikidata.org/wiki/Q19829510","display_name":"Pollutant","level":2,"score":0.33629998564720154},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.33379998803138733},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.3314000070095062},{"id":"https://openalex.org/C2778152352","wikidata":"https://www.wikidata.org/wiki/Q5165061","display_name":"Content (measure theory)","level":2,"score":0.3301999866962433},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3240000009536743},{"id":"https://openalex.org/C33954974","wikidata":"https://www.wikidata.org/wiki/Q486494","display_name":"Sensor fusion","level":2,"score":0.3167000114917755},{"id":"https://openalex.org/C125572338","wikidata":"https://www.wikidata.org/wiki/Q1440020","display_name":"Geostatistics","level":3,"score":0.3034999966621399},{"id":"https://openalex.org/C119666444","wikidata":"https://www.wikidata.org/wiki/Q5977280","display_name":"Temporal resolution","level":2,"score":0.2973000109195709},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.29499998688697815},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.2874000072479248},{"id":"https://openalex.org/C124967146","wikidata":"https://www.wikidata.org/wiki/Q3457898","display_name":"Spectral resolution","level":3,"score":0.28540000319480896},{"id":"https://openalex.org/C122383733","wikidata":"https://www.wikidata.org/wiki/Q865920","display_name":"Approximation error","level":2,"score":0.27309998869895935},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.27070000767707825},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.26739999651908875},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.25760000944137573},{"id":"https://openalex.org/C118365302","wikidata":"https://www.wikidata.org/wiki/Q4817115","display_name":"Atmospheric model","level":2,"score":0.2500999867916107}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2025.3610158","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2025.3610158","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8294587813","display_name":null,"funder_award_id":"41501184","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2092625513","https://openalex.org/W2558714883","https://openalex.org/W2943184968","https://openalex.org/W2998595112","https://openalex.org/W3000369451","https://openalex.org/W3009865457","https://openalex.org/W3036685965","https://openalex.org/W3217012577","https://openalex.org/W4281482229","https://openalex.org/W4313529974","https://openalex.org/W4318833747","https://openalex.org/W4382137552","https://openalex.org/W4388407979","https://openalex.org/W4391562596","https://openalex.org/W4393131824","https://openalex.org/W4394904507","https://openalex.org/W4405778402","https://openalex.org/W4407190496"],"related_works":[],"abstract_inverted_index":{"The":[0,118,165],"concentration":[1],"of":[2,25,74,111,125,138,182,220,242],"heavy":[3,42,243],"metal":[4,43,244],"pollutants":[5],"and":[6,28,55,90,93,106,127,156,176,179,197,224,236],"physicochemical":[7,26,129],"properties":[8,27],"in":[9,39,246],"soil":[10,41,52,67,225],"is":[11,36,186,192,200,205],"spatially":[12,22],"heterogeneous.":[13],"Determining":[14],"an":[15,169],"optimal":[16,72,95,170],"image":[17,112,167],"resolution":[18,113,212,222],"to":[19,31,101,107,145,153,162,188,194,202],"capture":[20],"the":[21,33,37,71,80,94,103,109,115,123,132,136,139,147,157,180,183,190,198,210,218],"varying":[23],"signals":[24],"pollutant":[29],"content":[30,44,105],"improve":[32],"estimation":[34,116,229],"accuracy":[35],"difficulty":[38],"monitoring":[40,241],"with":[45,70,135],"UAV":[46],"hyperspectral":[47,82],"imagery.":[48],"In":[49],"this":[50],"study,":[51],"pH,":[53],"SOM,":[54],"SMC":[56],"were":[57,84],"incorporated":[58],"alongside":[59],"spectral":[60,173],"features":[61],"as":[62],"predictive":[63],"factors":[64,76],"for":[65,239],"modeling":[66],"Pb":[68,104],"content,":[69],"combination":[73,97],"these":[75],"being":[77],"identified.":[78],"Subsequently,":[79],"original":[81],"images":[83],"resampled":[85],"at":[86],"0.6m,":[87],"1.0m,":[88],"1.4m,":[89],"1.8m":[91],"resolutions,":[92],"parameter":[96],"model":[98,133],"was":[99],"used":[100],"re-estimate":[102],"determine":[108],"effect":[110],"on":[114,228],"accuracy.":[117],"results":[119],"showed":[120],"that:":[121],"(1)":[122],"fusion":[124],"spectra":[126],"three":[128],"parameters":[130],"improved":[131,187,201],"performance,":[134],"R\u00b2":[137,181],"validation":[140,184],"set":[141,185],"increasing":[142,159],"from":[143,150,160],"0.51":[144],"0.58,":[146],"RMSE":[148,191],"decreasing":[149],"83.4":[151],"mg/kg":[152],"78.4":[154],"mg/kg,":[155,196],"RPD":[158,199],"1.63":[161],"1.73.":[163],"(2)":[164],"0.6m":[166],"achieves":[168],"balance":[171],"between":[172],"information":[174],"richness":[175],"noise":[177],"suppression,":[178],"0.66,":[189],"reduced":[193],"61.23":[195],"2.13,":[203],"which":[204],"a":[206,233],"small":[207],"improvement":[208],"over":[209],"0.2m":[211],"model.":[213],"This":[214],"study":[215],"holistically":[216],"addresses":[217],"impacts":[219],"spatial":[221],"variation":[223],"component":[226],"heterogeneity":[227],"accuracy,":[230],"establishing":[231],"both":[232],"theoretical":[234],"basis":[235],"technical":[237],"support":[238],"UAV-based":[240],"contamination":[245],"agricultural":[247],"soils.":[248]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}