{"id":"https://openalex.org/W2097244687","doi":"https://doi.org/10.1109/tgrs.2008.2004629","title":"Efficient Shadow Detection of Color Aerial Images Based on Successive Thresholding Scheme","display_name":"Efficient Shadow Detection of Color Aerial Images Based on Successive Thresholding Scheme","publication_year":2008,"publication_date":"2008-12-08","ids":{"openalex":"https://openalex.org/W2097244687","doi":"https://doi.org/10.1109/tgrs.2008.2004629","mag":"2097244687"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2008.2004629","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.2004629","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5002873579","display_name":"Kuo\u2010Liang Chung","orcid":"https://orcid.org/0000-0002-0946-7948"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Kuo-Liang Chung","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031834022","display_name":"Yi\u2010Ru Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yi-Ru Lin","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083536250","display_name":"Yong-Huai Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yong-Huai Huang","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Inf. Eng., National Taiwan Univ. of Sci. & Technol., Taipei","institution_ids":["https://openalex.org/I154864474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":6.3906,"has_fulltext":false,"cited_by_count":156,"citation_normalized_percentile":{"value":0.96809879,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"47","issue":"2","first_page":"671","last_page":"682"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T13282","display_name":"Automated Road and Building Extraction","score":0.9787999987602234,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"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/T13890","display_name":"Remote Sensing and Land Use","score":0.972000002861023,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.858384907245636},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.828844428062439},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7140414714813232},{"id":"https://openalex.org/keywords/shadow","display_name":"Shadow (psychology)","score":0.663240909576416},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6015884876251221},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5469666719436646},{"id":"https://openalex.org/keywords/hue","display_name":"Hue","score":0.4660447835922241},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3618707060813904},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3461291790008545}],"concepts":[{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.858384907245636},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.828844428062439},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7140414714813232},{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.663240909576416},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6015884876251221},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5469666719436646},{"id":"https://openalex.org/C126537357","wikidata":"https://www.wikidata.org/wiki/Q372948","display_name":"Hue","level":2,"score":0.4660447835922241},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3618707060813904},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3461291790008545},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2008.2004629","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.2004629","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W147723833","https://openalex.org/W628430386","https://openalex.org/W1512209089","https://openalex.org/W1704999350","https://openalex.org/W1848463583","https://openalex.org/W1975153766","https://openalex.org/W1988901618","https://openalex.org/W2000594943","https://openalex.org/W2019033702","https://openalex.org/W2078558728","https://openalex.org/W2096989099","https://openalex.org/W2104157005","https://openalex.org/W2133059825","https://openalex.org/W2144527376","https://openalex.org/W2155910279","https://openalex.org/W2159540332","https://openalex.org/W2293573528","https://openalex.org/W2312997001","https://openalex.org/W3146605446","https://openalex.org/W4233439402","https://openalex.org/W4247013956","https://openalex.org/W4247537352","https://openalex.org/W4256068510","https://openalex.org/W6637430524","https://openalex.org/W6683266415"],"related_works":["https://openalex.org/W4320518079","https://openalex.org/W4386771591","https://openalex.org/W1978533094","https://openalex.org/W2039822179","https://openalex.org/W2953058328","https://openalex.org/W2972873516","https://openalex.org/W1542224353","https://openalex.org/W2952127465","https://openalex.org/W2164628286","https://openalex.org/W2028276520"],"abstract_inverted_index":{"Recently,":[0],"Tsai":[1],"presented":[2,78],"an":[3],"efficient":[4],"algorithm":[5,234,248,268],"which":[6,62,260],"uses":[7],"the":[8,12,15,19,33,58,67,71,81,84,94,99,110,116,121,128,133,137,145,151,160,169,174,180,200,215,233,240,255,277],"ratio":[9,20,60,72,85,101],"value":[10],"of":[11,25,30,87,232,235,244],"hue":[13],"over":[14],"intensity":[16],"to":[17,49,70,79,108,126,144,167,191,251],"construct":[18],"map":[21,73,105],"for":[22,149,179,214],"detecting":[23],"shadows":[24,51],"color":[26,112],"aerial":[27,113],"images.":[28],"Instead":[29],"only":[31],"using":[32],"global":[34,95],"thresholding":[35,46,96,162],"process":[36,97,140,163,188],"in":[37],"Tsai's":[38,221,252],"algorithm,":[39],"this":[40],"paper":[41],"presents":[42],"a":[43,103,185],"novel":[44],"successive":[45],"scheme":[47],"(STS)":[48],"detect":[50,127],"more":[52],"accurately.":[53],"In":[54,124],"our":[55,223,245,266],"proposed":[56,74,224,246,267,283],"STS,":[57],"modified":[59,100],"map,":[61,102],"is":[63,77,106,141,164,189,199,249],"obtained":[64],"by":[65,75,284],"applying":[66],"exponential":[68],"function":[69],"Tsai,":[76],"stretch":[80],"gap":[82],"between":[83],"values":[86],"shadow":[88,118,130,135,147,153,158,171,176,183,197,202,241,271,280],"and":[89,120,222,239,288],"nonshadow":[90,122],"pixels.":[91,123],"By":[92],"performing":[93],"on":[98],"coarse-shadow":[104],"constructed":[107],"classify":[109],"input":[111],"image":[114],"into":[115],"candidate":[117,134,146,152,157,175,182,196],"pixels":[119,131,148,172],"order":[125],"true":[129,170,201],"from":[132,173],"pixels,":[136],"connected":[138],"component":[139],"first":[142,216],"applied":[143,190],"grouping":[150],"regions.":[154],"For":[155,254],"each":[156,194],"region,":[159],"local":[161],"performed":[165],"iteratively":[166],"extract":[168],"region.":[177],"Finally,":[178],"remaining":[181,195],"regions,":[184],"fine-shadow":[186],"determination":[187],"identify":[192],"whether":[193],"pixel":[198,203],"or":[204],"not.":[205],"Under":[206],"six":[207],"testing":[208,218,258],"images,":[209,219,259],"experimental":[210],"results":[211],"show":[212],"that,":[213],"three":[217,257],"both":[220],"algorithms":[225,282],"have":[226],"better":[227,270],"detection":[228,242,272,281],"performance":[229],"than":[230],"that":[231],"Huang":[236,285],"et":[237,286],"al.,":[238],"accuracy":[243,273],"STS-based":[247],"comparable":[250],"algorithm.":[253],"other":[256],"contain":[261],"some":[262],"low":[263],"brightness":[264],"objects,":[265],"has":[269],"when":[274],"compared":[275],"with":[276],"previous":[278],"two":[279],"al.":[287],"Tsai.":[289]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":13},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":18},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":14}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}