{"id":"https://openalex.org/W1983371198","doi":"https://doi.org/10.1109/igarss.2012.6351887","title":"Estimating impervious surface of Bohai ring megalopolis from Landsat imagery using SVM method","display_name":"Estimating impervious surface of Bohai ring megalopolis from Landsat imagery using SVM method","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W1983371198","doi":"https://doi.org/10.1109/igarss.2012.6351887","mag":"1983371198"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6351887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","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/A5113801172","display_name":"Zhongchang Sun","orcid":"https://orcid.org/0000-0003-3219-0542"},"institutions":[{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhongchang Sun","raw_affiliation_strings":["Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094"],"affiliations":[{"raw_affiliation_string":"Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094","institution_ids":["https://openalex.org/I4210128053"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073894089","display_name":"Huadong Guo","orcid":"https://orcid.org/0000-0003-0337-1862"},"institutions":[{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huadong Guo","raw_affiliation_strings":["Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094"],"affiliations":[{"raw_affiliation_string":"Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094","institution_ids":["https://openalex.org/I4210128053"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109960961","display_name":"Xinwu Li","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinwu Li","raw_affiliation_strings":["Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094"],"affiliations":[{"raw_affiliation_string":"Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094","institution_ids":["https://openalex.org/I4210128053"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100294891","display_name":"Huaining Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaining Yang","raw_affiliation_strings":["Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094"],"affiliations":[{"raw_affiliation_string":"Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, No.9 Dengzhuang South Road, Haidian District, Beijing, China 100094","institution_ids":["https://openalex.org/I4210128053"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5113801172"],"corresponding_institution_ids":["https://openalex.org/I4210128053"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08340589,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":null,"first_page":"7537","last_page":"7540"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10766","display_name":"Urban Heat Island Mitigation","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T10766","display_name":"Urban Heat Island Mitigation","score":0.9994000196456909,"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/T11963","display_name":"Impact of Light on Environment and Health","score":0.9980000257492065,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9965999722480774,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/impervious-surface","display_name":"Impervious surface","score":0.851472020149231},{"id":"https://openalex.org/keywords/census","display_name":"Census","score":0.7834441661834717},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.6907830238342285},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.5041114091873169},{"id":"https://openalex.org/keywords/gross-domestic-product","display_name":"Gross domestic product","score":0.49457356333732605},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.48066437244415283},{"id":"https://openalex.org/keywords/beijing","display_name":"Beijing","score":0.47639504075050354},{"id":"https://openalex.org/keywords/urbanization","display_name":"Urbanization","score":0.47232240438461304},{"id":"https://openalex.org/keywords/directory","display_name":"Directory","score":0.45391231775283813},{"id":"https://openalex.org/keywords/megalopolis","display_name":"Megalopolis","score":0.4413430988788605},{"id":"https://openalex.org/keywords/satellite-imagery","display_name":"Satellite imagery","score":0.4182496964931488},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4169046878814697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3598875403404236},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.2556774616241455},{"id":"https://openalex.org/keywords/demography","display_name":"Demography","score":0.18901562690734863},{"id":"https://openalex.org/keywords/economic-growth","display_name":"Economic growth","score":0.17219793796539307},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.080537348985672}],"concepts":[{"id":"https://openalex.org/C2668921","wikidata":"https://www.wikidata.org/wiki/Q1434713","display_name":"Impervious surface","level":2,"score":0.851472020149231},{"id":"https://openalex.org/C52130261","wikidata":"https://www.wikidata.org/wiki/Q39825","display_name":"Census","level":3,"score":0.7834441661834717},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.6907830238342285},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5041114091873169},{"id":"https://openalex.org/C114350782","wikidata":"https://www.wikidata.org/wiki/Q12638","display_name":"Gross domestic product","level":2,"score":0.49457356333732605},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.48066437244415283},{"id":"https://openalex.org/C2778304055","wikidata":"https://www.wikidata.org/wiki/Q657474","display_name":"Beijing","level":3,"score":0.47639504075050354},{"id":"https://openalex.org/C39853841","wikidata":"https://www.wikidata.org/wiki/Q161078","display_name":"Urbanization","level":2,"score":0.47232240438461304},{"id":"https://openalex.org/C2777683733","wikidata":"https://www.wikidata.org/wiki/Q201456","display_name":"Directory","level":2,"score":0.45391231775283813},{"id":"https://openalex.org/C2777967926","wikidata":"https://www.wikidata.org/wiki/Q471822","display_name":"Megalopolis","level":2,"score":0.4413430988788605},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.4182496964931488},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4169046878814697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3598875403404236},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.2556774616241455},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.18901562690734863},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.17219793796539307},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.080537348985672},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"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/C26271046","wikidata":"https://www.wikidata.org/wiki/Q187097","display_name":"Economic geography","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2012.6351887","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351887","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.6700000166893005,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W416631514","https://openalex.org/W1969666701","https://openalex.org/W1999697646","https://openalex.org/W2026332487","https://openalex.org/W2038083647","https://openalex.org/W2102566458","https://openalex.org/W2122566937","https://openalex.org/W2141409967","https://openalex.org/W2147258346","https://openalex.org/W2147406638","https://openalex.org/W2149462409","https://openalex.org/W2152749905","https://openalex.org/W2156066376","https://openalex.org/W2164377514"],"related_works":["https://openalex.org/W2387053079","https://openalex.org/W2352043542","https://openalex.org/W2497684847","https://openalex.org/W1982564426","https://openalex.org/W1982807950","https://openalex.org/W2081328268","https://openalex.org/W115069822","https://openalex.org/W2350546819","https://openalex.org/W2326978533","https://openalex.org/W3001302267"],"abstract_inverted_index":{"The":[0],"objective":[1],"of":[2,32,68,175],"this":[3,43],"paper":[4,44],"is":[5,40],"to":[6,170],"map":[7,31],"large-area":[8],"impervious":[9,34,50],"surfaces":[10,51],"in":[11,70,78,127],"bohai":[12],"ring":[13],"megalopolis":[14],"areas":[15],"from":[16],"Landsat":[17],"imagery":[18],"using":[19],"SVM":[20],"method.":[21],"Then,":[22],"combined":[23],"with":[24,86,102],"the":[25,30,33,46,49,66,84,97,120,123,128,142,156],"sixth":[26],"population":[27,53,87,103,124],"census":[28,54,88,104,125],"data,":[29,55,91],"surface":[35],"area":[36],"(ISA)":[37],"per":[38],"person":[39],"derived.":[41],"Finally,":[42],"analyses":[45],"relationship":[47,110,138],"between":[48,119,141],"and":[52,56,72,89,105,122,136,144,179],"gross":[57],"domestic":[58],"product":[59],"(GDP)":[60],"data.":[61,107],"Our":[62],"results":[63,93],"indicated":[64,95],"that":[65,96],"density":[67],"ISA":[69,85,98,121,143],"Beijing":[71],"Tianjin":[73],"were":[74],"great":[75],"higher":[76],"than":[77],"other":[79],"administrative":[80],"regions.":[81],"By":[82],"comparing":[83],"GDP":[90,106,145],"our":[92],"also":[94],"was":[99,117,139],"highly":[100],"correlated":[101],"A":[108],"strong":[109,135],"(R":[111],"<sup":[112,150],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[113,151],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[114,152],"=":[115,153],"0.879)":[116],"observed":[118,140],"data":[126,146],"whole":[129,157],"study":[130,158],"area.":[131],"In":[132],"addition,":[133],"a":[134,164],"positive":[137],"(correlation":[147],"coefficient":[148],"R":[149],"0.779":[154],"for":[155,167],"area).":[159],"This":[160],"research":[161],"can":[162],"provide":[163],"simple":[165],"method":[166],"policy":[168],"makers":[169],"assess":[171],"potential":[172],"urbanization":[173],"impacts":[174],"future":[176],"urban":[177],"planning":[178],"development":[180],"activities.":[181]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}