{"id":"https://openalex.org/W4402260967","doi":"https://doi.org/10.1109/igarss53475.2024.10640847","title":"A Bayesian Nonparametric Model for Unsupervised Change Detection of Fully Polarimetric SAR Images","display_name":"A Bayesian Nonparametric Model for Unsupervised Change Detection of Fully Polarimetric SAR Images","publication_year":2024,"publication_date":"2024-07-07","ids":{"openalex":"https://openalex.org/W4402260967","doi":"https://doi.org/10.1109/igarss53475.2024.10640847"},"language":"en","primary_location":{"id":"doi:10.1109/igarss53475.2024.10640847","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss53475.2024.10640847","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5107013197","display_name":"Wassim Bdiri","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210100151","display_name":"Institut d'\u00c9lectronique et des Technologies du num\u00e9Rique","ror":"https://ror.org/013q33h79","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I28221208","https://openalex.org/I4210095849","https://openalex.org/I4210100151","https://openalex.org/I56067802","https://openalex.org/I97188460"]},{"id":"https://openalex.org/I56067802","display_name":"Universit\u00e9 de Rennes","ror":"https://ror.org/015m7wh34","country_code":"FR","type":"education","lineage":["https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Wassim Bdiri","raw_affiliation_strings":["Univ Rennes,IETR UMR CNRS 6164,Rennes cedex,France,35000"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ Rennes,IETR UMR CNRS 6164,Rennes cedex,France,35000","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210100151","https://openalex.org/I56067802"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089989484","display_name":"Nizar Bouhlel","orcid":"https://orcid.org/0000-0002-4861-8550"},"institutions":[{"id":"https://openalex.org/I4210088668","display_name":"Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement","ror":"https://ror.org/003vg9w96","country_code":"FR","type":"government","lineage":["https://openalex.org/I4210088668"]},{"id":"https://openalex.org/I4399657933","display_name":"L'Institut Agro","ror":"https://ror.org/01dkyve95","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210117091","https://openalex.org/I4399657933"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nizar Bouhlel","raw_affiliation_strings":["Institut Agro, Univ Angers,INRAE, IRHS, SFR QuaSaV,Angers,France,49000"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut Agro, Univ Angers,INRAE, IRHS, SFR QuaSaV,Angers,France,49000","institution_ids":["https://openalex.org/I4210088668","https://openalex.org/I4399657933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048944402","display_name":"St\u00e9phane M\u00e9ric","orcid":"https://orcid.org/0000-0002-3787-5279"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I28221208","display_name":"Institut National des Sciences Appliqu\u00e9es de Rennes","ror":"https://ror.org/04xaa4j22","country_code":"FR","type":"education","lineage":["https://openalex.org/I28221208"]},{"id":"https://openalex.org/I4210100151","display_name":"Institut d'\u00c9lectronique et des Technologies du num\u00e9Rique","ror":"https://ror.org/013q33h79","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I28221208","https://openalex.org/I4210095849","https://openalex.org/I4210100151","https://openalex.org/I56067802","https://openalex.org/I97188460"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"St\u00e9phane M\u00e9ric","raw_affiliation_strings":["INSA Rennes,IETR UMR CNRS 6164,Rennes,France,35700"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INSA Rennes,IETR UMR CNRS 6164,Rennes,France,35700","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I28221208","https://openalex.org/I4210100151"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074680198","display_name":"E. Pottier","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210100151","display_name":"Institut d'\u00c9lectronique et des Technologies du num\u00e9Rique","ror":"https://ror.org/013q33h79","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I28221208","https://openalex.org/I4210095849","https://openalex.org/I4210100151","https://openalex.org/I56067802","https://openalex.org/I97188460"]},{"id":"https://openalex.org/I56067802","display_name":"Universit\u00e9 de Rennes","ror":"https://ror.org/015m7wh34","country_code":"FR","type":"education","lineage":["https://openalex.org/I56067802"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Eric Pottier","raw_affiliation_strings":["Univ Rennes,IETR UMR CNRS 6164,Rennes cedex,France,35000"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ Rennes,IETR UMR CNRS 6164,Rennes cedex,France,35000","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210100151","https://openalex.org/I56067802"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001360263","display_name":"Fathi Kallel","orcid":"https://orcid.org/0000-0001-7986-8395"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fathi Kallel","raw_affiliation_strings":["Enetcom, Univ Sfax,Sfax Technopark,Sfax,Tunisia,3018"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Enetcom, Univ Sfax,Sfax Technopark,Sfax,Tunisia,3018","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2789","last_page":"2794"},"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":0.9973999857902527,"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":0.9973999857902527,"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.982200026512146,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9692000150680542,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6400951147079468},{"id":"https://openalex.org/keywords/nonparametric-statistics","display_name":"Nonparametric statistics","score":0.6312364935874939},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.5920625925064087},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5831836462020874},{"id":"https://openalex.org/keywords/change-detection","display_name":"Change detection","score":0.5576683878898621},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5282358527183533},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.49857139587402344},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.4184038043022156},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1603076159954071},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1589079201221466}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6400951147079468},{"id":"https://openalex.org/C102366305","wikidata":"https://www.wikidata.org/wiki/Q1097688","display_name":"Nonparametric statistics","level":2,"score":0.6312364935874939},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.5920625925064087},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5831836462020874},{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.5576683878898621},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5282358527183533},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.49857139587402344},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.4184038043022156},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1603076159954071},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1589079201221466},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss53475.2024.10640847","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss53475.2024.10640847","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-04698795v1","is_oa":false,"landing_page_url":"https://hal.science/hal-04698795","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, Jul 2024, Athens, Greece. pp.2789-2794, ⟨10.1109/IGARSS53475.2024.10640847⟩","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1540484164","https://openalex.org/W1967687583","https://openalex.org/W1984082165","https://openalex.org/W2037095848","https://openalex.org/W2069429561","https://openalex.org/W2070855429","https://openalex.org/W2072169887","https://openalex.org/W2084762779","https://openalex.org/W2086623418","https://openalex.org/W2089484716","https://openalex.org/W2109900939","https://openalex.org/W2116246092","https://openalex.org/W2121348175","https://openalex.org/W2127498532","https://openalex.org/W2133989913","https://openalex.org/W2143353454","https://openalex.org/W2144837664","https://openalex.org/W2151967501","https://openalex.org/W2159983350","https://openalex.org/W2164296623","https://openalex.org/W2299851271","https://openalex.org/W2606593272","https://openalex.org/W2785294182","https://openalex.org/W2921186979","https://openalex.org/W2955463174","https://openalex.org/W3014222183","https://openalex.org/W3106359699","https://openalex.org/W3114211234","https://openalex.org/W4237780050","https://openalex.org/W4311614615","https://openalex.org/W6736870561"],"related_works":["https://openalex.org/W4243114048","https://openalex.org/W2529605301","https://openalex.org/W2026860918","https://openalex.org/W4237896776","https://openalex.org/W4231665652","https://openalex.org/W1837630526","https://openalex.org/W2000242494","https://openalex.org/W2335589441","https://openalex.org/W3205829146","https://openalex.org/W2148298232"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,47,55,65],"new":[4],"method":[5,49,126],"for":[6,50,57,109],"automatic":[7],"change":[8,141],"detection":[9,142],"in":[10,64],"multilook":[11],"polarimetric":[12],"synthetic":[13],"aperture":[14],"radar":[15],"(PolSAR)":[16],"images":[17,113,131],"based":[18],"on":[19,136,140],"unsupervised":[20],"classification":[21,31,51,137],"of":[22,62,71,106,123],"these":[23],"data.":[24,79],"Changes":[25],"are":[26,115,143],"identified":[27],"by":[28,117],"comparing":[29],"multiple":[30],"images.":[32],"A":[33],"Bayesian":[34],"Nonparametric":[35],"(BNP)":[36],"approach":[37],"such":[38],"as":[39],"the":[40,60,69,72,104,107,118,124,133],"Dirichlet":[41],"process":[42],"mixture":[43,66,74],"model":[44,67],"(DPMM)":[45],"is":[46,82,127],"potential":[48],"tasks.":[52],"It":[53],"provides":[54],"framework":[56],"estimating":[58],"both":[59],"number":[61],"components":[63,75],"and":[68,132,138,145],"parameters":[70,105],"individual":[73],"simultaneously":[76],"from":[77],"PolSAR":[78,112,130],"Usually,":[80],"DPMM":[81,108],"treated":[83],"using":[84],"Markov":[85],"chain":[86],"Monte":[87],"Carlo":[88],"(MCMC)":[89],"or":[90],"variational":[91],"Bayes":[92],"(VB)":[93],"methods.":[94],"Here,":[95],"we":[96],"propose":[97],"an":[98],"expectation-maximization":[99],"(EM)":[100],"algorithm":[101],"to":[102],"estimate":[103],"high":[110],"resolution":[111],"which":[114],"modeled":[116],"product":[119],"model.":[120],"The":[121],"performance":[122],"proposed":[125],"evaluated":[128],"with":[129],"preliminary":[134],"results":[135],"finally":[139],"satisfactory":[144],"meet":[146],"our":[147],"expectations.":[148]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}