{"id":"https://openalex.org/W2901277512","doi":"https://doi.org/10.1109/igarss.2018.8518062","title":"Unsupervised Multi-Class Change Detection in Bitemporal Multispectral Images Using Band Expansion","display_name":"Unsupervised Multi-Class Change Detection in Bitemporal Multispectral Images Using Band Expansion","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901277512","doi":"https://doi.org/10.1109/igarss.2018.8518062","mag":"2901277512"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8518062","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518062","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 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/A5100684827","display_name":"Sicong Liu","orcid":"https://orcid.org/0000-0003-1612-4844"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Sicong Liu","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033017179","display_name":"Qian Du","orcid":"https://orcid.org/0000-0001-8354-7500"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Du","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006095323","display_name":"Lorenzo Bruzzone","orcid":"https://orcid.org/0000-0002-6036-459X"},"institutions":[{"id":"https://openalex.org/I193223587","display_name":"University of Trento","ror":"https://ror.org/05trd4x28","country_code":"IT","type":"education","lineage":["https://openalex.org/I193223587"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Lorenzo Bruzzone","raw_affiliation_strings":["Dept. of Information Engineering and Computer Science, University of Trento, Trento, Italy"],"affiliations":[{"raw_affiliation_string":"Dept. of Information Engineering and Computer Science, University of Trento, Trento, Italy","institution_ids":["https://openalex.org/I193223587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089631478","display_name":"Alim Samat","orcid":"https://orcid.org/0000-0002-9091-6033"},"institutions":[{"id":"https://openalex.org/I4210103115","display_name":"Xinjiang Institute of Ecology and Geography","ror":"https://ror.org/01a8ev928","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210103115"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Alim Samat","raw_affiliation_strings":["CAS, Xinjiang Institute of Ecology and Geography, Urumqi, China"],"affiliations":[{"raw_affiliation_string":"CAS, Xinjiang Institute of Ecology and Geography, Urumqi, China","institution_ids":["https://openalex.org/I4210103115"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039348214","display_name":"Xiaohua Tong","orcid":"https://orcid.org/0000-0002-1045-3797"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohua Tong","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100684827"],"corresponding_institution_ids":["https://openalex.org/I116953780"],"apc_list":null,"apc_paid":null,"fwci":0.2057,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.5988487,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1910","last_page":"1913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998000264167786,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998000264167786,"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/T13890","display_name":"Remote Sensing and Land Use","score":0.9921000003814697,"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"}},{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9624999761581421,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/multispectral-image","display_name":"Multispectral image","score":0.912405252456665},{"id":"https://openalex.org/keywords/change-detection","display_name":"Change detection","score":0.8454883694648743},{"id":"https://openalex.org/keywords/multispectral-pattern-recognition","display_name":"Multispectral pattern recognition","score":0.7354767322540283},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6857069730758667},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6829129457473755},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5781209468841553},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5564231276512146},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5511264801025391},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.510356605052948},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5055468082427979},{"id":"https://openalex.org/keywords/spectral-bands","display_name":"Spectral bands","score":0.4891670048236847},{"id":"https://openalex.org/keywords/data-set","display_name":"Data set","score":0.45791640877723694},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11664947867393494}],"concepts":[{"id":"https://openalex.org/C173163844","wikidata":"https://www.wikidata.org/wiki/Q1761440","display_name":"Multispectral image","level":2,"score":0.912405252456665},{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.8454883694648743},{"id":"https://openalex.org/C104541649","wikidata":"https://www.wikidata.org/wiki/Q6935090","display_name":"Multispectral pattern recognition","level":3,"score":0.7354767322540283},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6857069730758667},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6829129457473755},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5781209468841553},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5564231276512146},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5511264801025391},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.510356605052948},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5055468082427979},{"id":"https://openalex.org/C114700698","wikidata":"https://www.wikidata.org/wiki/Q2882278","display_name":"Spectral bands","level":2,"score":0.4891670048236847},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.45791640877723694},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11664947867393494},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss.2018.8518062","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518062","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:iris.unitn.it:11572/225739","is_oa":false,"landing_page_url":"http://hdl.handle.net/11572/225739","pdf_url":null,"source":{"id":"https://openalex.org/S4306401913","display_name":"Institutional Research Information System (Universit\u00e0 degli Studi di Trento)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193223587","host_organization_name":"University of Trento","host_organization_lineage":["https://openalex.org/I193223587"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1967557999","https://openalex.org/W1998595580","https://openalex.org/W2085283969","https://openalex.org/W2104374858","https://openalex.org/W2118116484","https://openalex.org/W2137870541","https://openalex.org/W2165577558","https://openalex.org/W2726981152"],"related_works":["https://openalex.org/W2014087627","https://openalex.org/W2969881582","https://openalex.org/W2901277512","https://openalex.org/W2084145074","https://openalex.org/W1552304540","https://openalex.org/W2747004534","https://openalex.org/W2989925718","https://openalex.org/W2145982493","https://openalex.org/W2086973030","https://openalex.org/W1242785560"],"abstract_inverted_index":{"This":[0],"paper":[1],"focuses":[2],"on":[3,90],"solving":[4],"the":[5,29,36,73,83,99,102],"multi-class":[6,43],"change":[7,54],"detection":[8,55],"problem":[9,48],"in":[10,22,52,77],"bitemporal":[11,93],"multispectral":[12],"remote":[13,94],"sensing":[14,95],"images.":[15],"In":[16,45,64],"that":[17,20,80],"case,":[18],"information":[19,75],"represented":[21,76],"a":[23,40,67,91],"small":[24],"number":[25],"(e.g.,":[26],"two)":[27],"of":[28,39,42,101],"original":[30,84],"bands":[31],"may":[32],"be":[33],"insufficient":[34],"for":[35],"accurate":[37],"identification":[38],"few":[41],"changes.":[44],"particular,":[46],"this":[47,65],"becomes":[49],"more":[50],"difficult":[51],"unsupervised":[53],"cases":[56],"when":[57],"ground":[58],"reference":[59],"data":[60,96],"is":[61,69],"not":[62],"available.":[63],"paper,":[66],"solution":[68],"proposed":[70,103],"by":[71],"using":[72],"potential":[74],"expanded":[78],"features":[79],"constructed":[81],"from":[82],"spectral":[85],"bands.":[86],"Experimental":[87],"results":[88],"obtained":[89],"real":[92],"set":[97],"confirm":[98],"effectiveness":[100],"approach.":[104]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-01-13T01:12:25.745995","created_date":"2025-10-10T00:00:00"}