{"id":"https://openalex.org/W2086016807","doi":"https://doi.org/10.1109/jstars.2013.2289986","title":"Extraction of Built-up Areas From Fully Polarimetric SAR Imagery Via PU Learning","display_name":"Extraction of Built-up Areas From Fully Polarimetric SAR Imagery Via PU Learning","publication_year":2014,"publication_date":"2014-01-31","ids":{"openalex":"https://openalex.org/W2086016807","doi":"https://doi.org/10.1109/jstars.2013.2289986","mag":"2086016807"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2013.2289986","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2013.2289986","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5069540177","display_name":"Wen Yang","orcid":"https://orcid.org/0000-0002-3263-8768"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Yang","raw_affiliation_strings":["School of Electronic Information and the State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Information and the State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069363627","display_name":"Xiaoshuang Yin","orcid":"https://orcid.org/0009-0006-5690-9688"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoshuang Yin","raw_affiliation_strings":["Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011086593","display_name":"Hui Song","orcid":"https://orcid.org/0000-0002-9429-7997"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Song","raw_affiliation_strings":["Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100430727","display_name":"Ying Liu","orcid":"https://orcid.org/0000-0003-2013-1959"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Liu","raw_affiliation_strings":["Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058602237","display_name":"Xin Xu","orcid":"https://orcid.org/0000-0001-9211-6606"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Xu","raw_affiliation_strings":["Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Laboratory, School of Electronic Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":72.6371,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.99685225,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":"4","first_page":"1207","last_page":"1216"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9962000250816345,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/computer-science","display_name":"Computer science","score":0.772013783454895},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7279521822929382},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6514527201652527},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.6450425982475281},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6382306218147278},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5735986232757568},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.4954720735549927},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.43778663873672485},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.41699764132499695},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.35059767961502075}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.772013783454895},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7279521822929382},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6514527201652527},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.6450425982475281},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6382306218147278},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5735986232757568},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.4954720735549927},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.43778663873672485},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.41699764132499695},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.35059767961502075},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2013.2289986","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2013.2289986","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W22461475","https://openalex.org/W171844106","https://openalex.org/W1861993554","https://openalex.org/W1956559956","https://openalex.org/W1970945111","https://openalex.org/W1972909473","https://openalex.org/W1974687023","https://openalex.org/W1992495255","https://openalex.org/W2009624552","https://openalex.org/W2021952882","https://openalex.org/W2028431916","https://openalex.org/W2034408232","https://openalex.org/W2038553416","https://openalex.org/W2049633694","https://openalex.org/W2089723477","https://openalex.org/W2094812637","https://openalex.org/W2110357101","https://openalex.org/W2123958887","https://openalex.org/W2124431629","https://openalex.org/W2131651374","https://openalex.org/W2134510195","https://openalex.org/W2138484184","https://openalex.org/W2141409967","https://openalex.org/W2145772003","https://openalex.org/W2153635508","https://openalex.org/W2170481611","https://openalex.org/W2171306357","https://openalex.org/W2171970040","https://openalex.org/W2325227998","https://openalex.org/W6600959050","https://openalex.org/W6639315830","https://openalex.org/W6682127699","https://openalex.org/W7048738093"],"related_works":["https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296","https://openalex.org/W2081203575","https://openalex.org/W3016428515","https://openalex.org/W2096748030","https://openalex.org/W2160730947","https://openalex.org/W2747205507","https://openalex.org/W2887270943"],"abstract_inverted_index":{"In":[0,71,86],"this":[1,62],"paper,":[2],"we":[3,64,90,110],"propose":[4],"a":[5,17,66,92,112],"PU":[6,22,69],"learning":[7,9],"(i.e.,":[8],"from":[10,32,82,124],"positive":[11,102],"and":[12,104],"unlabeled":[13,84,107],"data,":[14,51],"which":[15,157],"trains":[16],"binary":[18],"classifier":[19,113],"using":[20,133],"only":[21],"examples)":[23],"based":[24],"method":[25,119],"for":[26,121,146],"extracting":[27],"the":[28,53,72,87,105,118,134,141,152],"built-up":[29],"areas":[30],"(BAs)":[31],"fully":[33],"polarimetric":[34],"synthetic":[35],"aperture":[36],"radar":[37],"(PolSAR)":[38],"imagery.":[39],"The":[40],"key":[41],"feature":[42,132,142],"is":[43,138],"that":[44],"there":[45],"are":[46,57],"no":[47],"labeled":[48],"negative":[49,80,99],"training":[50],"thus":[52],"traditional":[54],"classification":[55],"techniques":[56],"not":[58],"applicable.":[59],"To":[60,116],"solve":[61],"problem,":[63],"use":[65],"two-step":[67],"strategy-based":[68],"learning.":[70],"first":[73],"step,":[74,89],"an":[75,83,127],"improved":[76],"algorithm":[77],"yields":[78],"reliable":[79],"samples":[81,103],"set.":[85],"second":[88],"apply":[91],"support":[93],"vector":[94],"machine":[95],"iteratively":[96],"to":[97],"these":[98],"samples,":[100],"existing":[101],"remaining":[106],"samples.":[108],"Finally,":[109],"select":[111],"after":[114],"convergence.":[115],"make":[117],"suitable":[120],"BA":[122],"extraction":[123],"PolSAR":[125,148],"imagery,":[126],"extended":[128],"scattering":[129],"mechanism-based":[130],"statistical":[131],"adaptive":[135],"model":[136],"decomposition":[137],"introduced":[139],"as":[140],"descriptor.":[143],"Experimental":[144],"results":[145],"RADARSAT-2":[147],"data":[149],"sets":[150],"demonstrate":[151],"effectiveness":[153],"of":[154],"our":[155],"method,":[156],"achieves":[158],"satisfactory":[159],"accuracy":[160],"with":[161],"less":[162],"manual":[163],"labeling.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}