{"id":"https://openalex.org/W1991995284","doi":"https://doi.org/10.1016/j.rse.2009.06.001","title":"A SVM-based method to extract urban areas from DMSP-OLS and SPOT VGT data","display_name":"A SVM-based method to extract urban areas from DMSP-OLS and SPOT VGT data","publication_year":2009,"publication_date":"2009-06-29","ids":{"openalex":"https://openalex.org/W1991995284","doi":"https://doi.org/10.1016/j.rse.2009.06.001","mag":"1991995284"},"language":"en","primary_location":{"id":"doi:10.1016/j.rse.2009.06.001","doi":"https://doi.org/10.1016/j.rse.2009.06.001","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.rse.2009.06.001","pdf_url":null,"source":{"id":"https://openalex.org/S141808269","display_name":"Remote Sensing of Environment","issn_l":"0034-4257","issn":["0034-4257","1879-0704"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing of Environment","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5100681901","display_name":"Xin Cao","orcid":"https://orcid.org/0000-0001-5789-7582","observed_orcids":["https://orcid.org/0000-0001-5789-7582"]},"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/I4391768099","display_name":"State Key Laboratory of Earth Surface Processes and Resource Ecology","ror":"https://ror.org/050mxte83","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25254941","https://openalex.org/I4391768099"]},{"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":"Xin Cao","raw_affiliation_strings":["Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4391768099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089564180","display_name":"Jin Chen","orcid":"https://orcid.org/0000-0002-6497-4141","observed_orcids":["https://orcid.org/0000-0002-6497-4141","https://orcid.org/0000-0003-1297-6687"]},"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/I4391768099","display_name":"State Key Laboratory of Earth Surface Processes and Resource Ecology","ror":"https://ror.org/050mxte83","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25254941","https://openalex.org/I4391768099"]},{"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":true,"raw_author_name":"Jin Chen","raw_affiliation_strings":["Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4391768099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109286272","display_name":"Hidefumi Imura","orcid":null,"observed_orcids":[]},"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":"Hidefumi Imura","raw_affiliation_strings":["Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057317787","display_name":"Osamu Higashi","orcid":"https://orcid.org/0000-0001-6240-7365","observed_orcids":["https://orcid.org/0000-0001-6240-7365"]},"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":"Osamu Higashi","raw_affiliation_strings":["Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Environmental Studies, Nagoya University, Nagoya 464-8601, Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089564180"],"corresponding_institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4391768099","https://openalex.org/I60134161"],"apc_list":{"value":4450,"currency":"USD","value_usd":4450},"apc_paid":null,"fwci":2.639,"has_fulltext":false,"cited_by_count":278,"citation_normalized_percentile":{"value":0.88772784,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"113","issue":"10","first_page":"2205","last_page":"2209"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11963","display_name":"Impact of Light on Environment and Health","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T11963","display_name":"Impact of Light on Environment and Health","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/urban-area-extraction","display_name":"urban area extraction","score":0.8690000176429749},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"support vector machine","score":0.781000018119812},{"id":"https://openalex.org/keywords/region-growing-algorithm","display_name":"region growing algorithm","score":0.7170000076293945},{"id":"https://openalex.org/keywords/dmsp-ols","display_name":"DMSP-OLS","score":0.8930000066757202},{"id":"https://openalex.org/keywords/spot-vgt","display_name":"SPOT-VGT","score":0.734000027179718},{"id":"https://openalex.org/keywords/nighttime-lights","display_name":"nighttime lights","score":0.5040000081062317},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"NDVI","score":0.9039999842643738},{"id":"https://openalex.org/keywords/thresholding-methods","display_name":"thresholding methods","score":0.6000000238418579},{"id":"https://openalex.org/keywords/training-sample-selection","display_name":"training data selection","score":0.6060000061988831}],"concepts":[{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.7928997874259949},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.6715692281723022},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6234363913536072},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6171826124191284},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.5583820343017578},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4875938296318054},{"id":"https://openalex.org/C39853841","wikidata":"https://www.wikidata.org/wiki/Q161078","display_name":"Urbanization","level":2,"score":0.43287280201911926},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32714956998825073},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2084798514842987},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.15906542539596558},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.11357554793357849},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.rse.2009.06.001","doi":"https://doi.org/10.1016/j.rse.2009.06.001","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.rse.2009.06.001","pdf_url":null,"source":{"id":"https://openalex.org/S141808269","display_name":"Remote Sensing of Environment","issn_l":"0034-4257","issn":["0034-4257","1879-0704"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing of Environment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9333000183105469,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332181","display_name":"National Oceanic and Atmospheric Administration","ror":"https://ror.org/02z5nhe81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W193031964","https://openalex.org/W1514164679","https://openalex.org/W1974047452","https://openalex.org/W1975897253","https://openalex.org/W1989855258","https://openalex.org/W1991921460","https://openalex.org/W1999648997","https://openalex.org/W2003136961","https://openalex.org/W2004126227","https://openalex.org/W2012997843","https://openalex.org/W2016943428","https://openalex.org/W2018076663","https://openalex.org/W2021189098","https://openalex.org/W2023693832","https://openalex.org/W2025060175","https://openalex.org/W2039014918","https://openalex.org/W2067781444","https://openalex.org/W2069624290","https://openalex.org/W2088001257","https://openalex.org/W2094748225","https://openalex.org/W2097467169","https://openalex.org/W2108020892","https://openalex.org/W2118823101","https://openalex.org/W2119166951","https://openalex.org/W2127229335","https://openalex.org/W2138973222","https://openalex.org/W2139465499","https://openalex.org/W2153820558","https://openalex.org/W2156909104","https://openalex.org/W2496449191"],"related_works":["https://openalex.org/W2145874974","https://openalex.org/W2626984862","https://openalex.org/W2011250861","https://openalex.org/W2142487694","https://openalex.org/W2110533358","https://openalex.org/W2594796036","https://openalex.org/W2001075407","https://openalex.org/W2772524980","https://openalex.org/W2346599207","https://openalex.org/W2792057679"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":22},{"year":2021,"cited_by_count":35},{"year":2020,"cited_by_count":22},{"year":2019,"cited_by_count":32},{"year":2018,"cited_by_count":23},{"year":2017,"cited_by_count":31},{"year":2016,"cited_by_count":18},{"year":2015,"cited_by_count":13},{"year":2014,"cited_by_count":14},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
