{"id":"https://openalex.org/W1998943937","doi":"https://doi.org/10.1109/lgrs.2011.2174453","title":"Scale Effect of Vegetation-Index-Based Spatial Sharpening for Thermal Imagery: A Simulation Study by ASTER Data","display_name":"Scale Effect of Vegetation-Index-Based Spatial Sharpening for Thermal Imagery: A Simulation Study by ASTER Data","publication_year":2011,"publication_date":"2011-12-06","ids":{"openalex":"https://openalex.org/W1998943937","doi":"https://doi.org/10.1109/lgrs.2011.2174453","mag":"1998943937"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2011.2174453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2174453","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":"https://openalex.org/A5101742037","display_name":"Xuehong Chen","orcid":"https://orcid.org/0000-0001-7223-8649"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["CN","JP"],"is_corresponding":false,"raw_author_name":"Xuehong Chen","raw_affiliation_strings":["Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061253085","display_name":"Yasushi Yamaguchi","orcid":"https://orcid.org/0000-0002-2554-1060"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Yamaguchi","raw_affiliation_strings":["Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089564180","display_name":"Jin Chen","orcid":"https://orcid.org/0000-0002-6497-4141"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jin Chen","raw_affiliation_strings":["State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091312485","display_name":"Yusheng Shi","orcid":"https://orcid.org/0000-0001-7256-3628"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusheng Shi","raw_affiliation_strings":["Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, University of Nagoya, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0835,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.91730581,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":"4","first_page":"549","last_page":"553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9975000023841858,"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"}},"topics":[{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9975000023841858,"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"}},{"id":"https://openalex.org/T10766","display_name":"Urban Heat Island Mitigation","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9944999814033508,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sharpening","display_name":"Sharpening","score":0.8438763618469238},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.7364646196365356},{"id":"https://openalex.org/keywords/advanced-spaceborne-thermal-emission-and-reflection-radiometer","display_name":"Advanced Spaceborne Thermal Emission and Reflection Radiometer","score":0.7195510864257812},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7093261480331421},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.670732319355011},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5952357053756714},{"id":"https://openalex.org/keywords/enhanced-vegetation-index","display_name":"Enhanced vegetation index","score":0.5725684762001038},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5307478904724121},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5252784490585327},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.4713824689388275},{"id":"https://openalex.org/keywords/spatial-ecology","display_name":"Spatial ecology","score":0.448506236076355},{"id":"https://openalex.org/keywords/advanced-very-high-resolution-radiometer","display_name":"Advanced very-high-resolution radiometer","score":0.4341351389884949},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.37972337007522583},{"id":"https://openalex.org/keywords/vegetation-index","display_name":"Vegetation Index","score":0.30681943893432617},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.22714591026306152},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.22629955410957336},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.20367008447647095},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.15687215328216553},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.14668819308280945},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.13576805591583252}],"concepts":[{"id":"https://openalex.org/C2781137444","wikidata":"https://www.wikidata.org/wiki/Q237105","display_name":"Sharpening","level":2,"score":0.8438763618469238},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.7364646196365356},{"id":"https://openalex.org/C13772937","wikidata":"https://www.wikidata.org/wiki/Q298019","display_name":"Advanced Spaceborne Thermal Emission and Reflection Radiometer","level":3,"score":0.7195510864257812},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7093261480331421},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.670732319355011},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5952357053756714},{"id":"https://openalex.org/C78869512","wikidata":"https://www.wikidata.org/wiki/Q5378810","display_name":"Enhanced vegetation index","level":5,"score":0.5725684762001038},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5307478904724121},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5252784490585327},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.4713824689388275},{"id":"https://openalex.org/C158709400","wikidata":"https://www.wikidata.org/wiki/Q3578586","display_name":"Spatial ecology","level":2,"score":0.448506236076355},{"id":"https://openalex.org/C2777480484","wikidata":"https://www.wikidata.org/wiki/Q300146","display_name":"Advanced very-high-resolution radiometer","level":3,"score":0.4341351389884949},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.37972337007522583},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.30681943893432617},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22714591026306152},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.22629955410957336},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.20367008447647095},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.15687215328216553},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.14668819308280945},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.13576805591583252},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2011.2174453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2011.2174453","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":[{"score":0.699999988079071,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1974203119","https://openalex.org/W1976138515","https://openalex.org/W1983002255","https://openalex.org/W1984289579","https://openalex.org/W1989539497","https://openalex.org/W1990330790","https://openalex.org/W2014630223","https://openalex.org/W2018112660","https://openalex.org/W2020289158","https://openalex.org/W2030463878","https://openalex.org/W2047718674","https://openalex.org/W2048995275","https://openalex.org/W2052883874","https://openalex.org/W2058602417","https://openalex.org/W2063771995","https://openalex.org/W2090662578","https://openalex.org/W2116327754","https://openalex.org/W2125884013"],"related_works":["https://openalex.org/W2120752589","https://openalex.org/W2047826950","https://openalex.org/W3044682787","https://openalex.org/W3207384893","https://openalex.org/W2171400093","https://openalex.org/W2548706448","https://openalex.org/W2372207774","https://openalex.org/W2055475390","https://openalex.org/W3185761094","https://openalex.org/W2165662869"],"abstract_inverted_index":{"Vegetation-index-based":[0],"spatial":[1,9,30,33,73,117,169],"sharpening":[2,158],"technologies":[3],"were":[4],"developed":[5],"for":[6],"improving":[7],"the":[8,19,42,54,76,108,126,130,137,143,156,162,166,176,181,185,193,203,210],"resolution":[10,71,135,148],"of":[11,44,63,67,75,78,88,110,142,175,180],"thermal-infrared":[12],"(TIR)":[13],"images.":[14],"Previous":[15],"studies":[16],"showed":[17],"that":[18,107,202],"relationship":[20,43,77,109,127,164],"between":[21],"vegetation":[22,45,79,111],"index":[23,46,80,112],"and":[24,47,72,81,93,102,113,190],"surface":[25,48,82],"temperature":[26,49,83,114],"is":[27,35],"independent":[28],"with":[29,133,146,192],"resolution.":[31],"However,":[32],"extent":[34,170],"another":[36],"scale":[37,68],"factor":[38],"which":[39,124],"may":[40,149],"affect":[41],"but":[50],"was":[51,188],"neglected":[52],"in":[53,100],"previous":[55,122],"studies.":[56],"In":[57],"this":[58],"letter,":[59],"we":[60],"investigated":[61],"both":[62],"these":[64],"two":[65,86],"aspects":[66],"effect":[69],"(spatial":[70],"extent)":[74],"based":[84],"on":[85,115,129,165],"scenes":[87],"Advanced":[89],"Spaceborne":[90],"Thermal":[91],"Emission":[92],"Reflection":[94],"Radiometer":[95],"(ASTER)":[96],"data":[97],"respectively":[98],"acquired":[99],"grassland":[101],"crop-land.":[103],"The":[104,199],"result":[105,200],"shows":[106,201],"different":[116],"extents":[118],"varies":[119],"greatly.":[120],"Therefore,":[121],"methods":[123],"apply":[125],"established":[128],"whole":[131,182],"image":[132],"coarse":[134],"to":[136],"small":[138],"area":[139],"(pixel":[140],"size":[141],"TIR":[144,177],"image)":[145,178],"fine":[147],"produce":[150],"a":[151],"large":[152],"error.":[153],"We":[154],"modified":[155],"original":[157,194,211],"method":[159,187,195,205],"by":[160,196],"establishing":[161],"vegetation-index-temperature":[163],"minimum":[167],"available":[168],"(2":[171],"\u00d7":[172],"2":[173],"pixels":[174],"instead":[179],"image.":[183],"Then,":[184],"new":[186,204],"tested":[189],"compared":[191],"simulated":[197],"data.":[198],"performs":[206],"more":[207],"robustly":[208],"than":[209],"method.":[212]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}