{"id":"https://openalex.org/W7134274181","doi":"https://doi.org/10.1007/s11263-025-02683-1","title":"Uncertainty-guided Open-Set Source-Free Unsupervised Domain Adaptation with Target-private Class Segregation","display_name":"Uncertainty-guided Open-Set Source-Free Unsupervised Domain Adaptation with Target-private Class Segregation","publication_year":2026,"publication_date":"2026-03-09","ids":{"openalex":"https://openalex.org/W7134274181","doi":"https://doi.org/10.1007/s11263-025-02683-1"},"language":"en","primary_location":{"id":"doi:10.1007/s11263-025-02683-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11263-025-02683-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s11263-025-02683-1.pdf","source":{"id":"https://openalex.org/S25538012","display_name":"International Journal of Computer Vision","issn_l":"0920-5691","issn":["0920-5691","1573-1405"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Computer Vision","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s11263-025-02683-1.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019216303","display_name":"Mattia Litrico","orcid":"https://orcid.org/0000-0002-4914-174X"},"institutions":[{"id":"https://openalex.org/I39063666","display_name":"University of Catania","ror":"https://ror.org/03a64bh57","country_code":"IT","type":"education","lineage":["https://openalex.org/I39063666"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Mattia Litrico","raw_affiliation_strings":["University of Catania, Catania, Italy"],"raw_orcid":"https://orcid.org/0000-0002-4914-174X","affiliations":[{"raw_affiliation_string":"University of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024252331","display_name":"Davide Talon","orcid":"https://orcid.org/0009-0003-6029-1532"},"institutions":[{"id":"https://openalex.org/I2277624104","display_name":"Fondazione Bruno Kessler","ror":"https://ror.org/01j33xk10","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2277624104"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Davide Talon","raw_affiliation_strings":["Fondazione Bruno Kessler, Trento, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fondazione Bruno Kessler, Trento, Italy","institution_ids":["https://openalex.org/I2277624104"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128470868","display_name":"Sebastiano Battiato","orcid":null},"institutions":[{"id":"https://openalex.org/I39063666","display_name":"University of Catania","ror":"https://ror.org/03a64bh57","country_code":"IT","type":"education","lineage":["https://openalex.org/I39063666"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sebastiano Battiato","raw_affiliation_strings":["University of Catania, Catania, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Catania, Catania, Italy","institution_ids":["https://openalex.org/I39063666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046971342","display_name":"Alessio Del Bue","orcid":"https://orcid.org/0000-0002-2262-4872"},"institutions":[{"id":"https://openalex.org/I30771326","display_name":"Italian Institute of Technology","ror":"https://ror.org/042t93s57","country_code":"IT","type":"facility","lineage":["https://openalex.org/I30771326"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alessio Del Bue","raw_affiliation_strings":["Istituto Italiano di Tecnologia, Genova, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Italiano di Tecnologia, Genova, Italy","institution_ids":["https://openalex.org/I30771326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030914810","display_name":"Mario Valerio Giuffrida","orcid":"https://orcid.org/0000-0002-5232-677X"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mario Valerio Giuffrida","raw_affiliation_strings":["University of Nottingham, Nottingham, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Nottingham, Nottingham, UK","institution_ids":["https://openalex.org/I142263535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017103754","display_name":"Pietro Morerio","orcid":"https://orcid.org/0000-0001-5259-1496"},"institutions":[{"id":"https://openalex.org/I30771326","display_name":"Italian Institute of Technology","ror":"https://ror.org/042t93s57","country_code":"IT","type":"facility","lineage":["https://openalex.org/I30771326"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Pietro Morerio","raw_affiliation_strings":["Istituto Italiano di Tecnologia, Genova, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Italiano di Tecnologia, Genova, Italy","institution_ids":["https://openalex.org/I30771326"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5019216303"],"corresponding_institution_ids":["https://openalex.org/I39063666"],"apc_list":{"value":2890,"currency":"EUR","value_usd":3690},"apc_paid":{"value":2890,"currency":"EUR","value_usd":3690},"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.24542267,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"134","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.9745000004768372,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.9745000004768372,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.006599999964237213,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10036","display_name":"Advanced Neural Network Applications","score":0.002199999988079071,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6446999907493591},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.5044000148773193},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4675000011920929},{"id":"https://openalex.org/keywords/domain-adaptation","display_name":"Domain adaptation","score":0.38449999690055847},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.28760001063346863}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7031999826431274},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6446999907493591},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.595300018787384},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.5044000148773193},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4675000011920929},{"id":"https://openalex.org/C2776434776","wikidata":"https://www.wikidata.org/wiki/Q19246213","display_name":"Domain adaptation","level":3,"score":0.38449999690055847},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33340001106262207},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.28760001063346863},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.25290000438690186},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.24690000712871552}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s11263-025-02683-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11263-025-02683-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s11263-025-02683-1.pdf","source":{"id":"https://openalex.org/S25538012","display_name":"International Journal of Computer Vision","issn_l":"0920-5691","issn":["0920-5691","1573-1405"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Computer Vision","raw_type":"journal-article"},{"id":"pmh:oai:nottingham-repository.worktribe.com:54274482","is_oa":true,"landing_page_url":"https://nottingham-repository.worktribe.com/output/54274482","pdf_url":null,"source":{"id":"https://openalex.org/S4306402483","display_name":"Repository@Nottingham (University of Nottingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I142263535","host_organization_name":"University of Nottingham","host_organization_lineage":["https://openalex.org/I142263535"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1007/s11263-025-02683-1","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s11263-025-02683-1","pdf_url":"https://link.springer.com/content/pdf/10.1007/s11263-025-02683-1.pdf","source":{"id":"https://openalex.org/S25538012","display_name":"International Journal of Computer Vision","issn_l":"0920-5691","issn":["0920-5691","1573-1405"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Computer Vision","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7713766694068909,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7134274181.pdf","grobid_xml":"https://content.openalex.org/works/W7134274181.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W1514928307","https://openalex.org/W1722318740","https://openalex.org/W2108598243","https://openalex.org/W2152829440","https://openalex.org/W2162651021","https://openalex.org/W2194775991","https://openalex.org/W2321533354","https://openalex.org/W2566079294","https://openalex.org/W2584009249","https://openalex.org/W2593768305","https://openalex.org/W2599837529","https://openalex.org/W2614424296","https://openalex.org/W2627183927","https://openalex.org/W2779610669","https://openalex.org/W2798593490","https://openalex.org/W2883725317","https://openalex.org/W2948069880","https://openalex.org/W2948429981","https://openalex.org/W2962762068","https://openalex.org/W2963532621","https://openalex.org/W2963697299","https://openalex.org/W2967691516","https://openalex.org/W2980096013","https://openalex.org/W2981720610","https://openalex.org/W2981873476","https://openalex.org/W2981952612","https://openalex.org/W3025988480","https://openalex.org/W3034185248","https://openalex.org/W3035235949","https://openalex.org/W3035524453","https://openalex.org/W3035701489","https://openalex.org/W3083641663","https://openalex.org/W3091002423","https://openalex.org/W3097526063","https://openalex.org/W3109093849","https://openalex.org/W3171007011","https://openalex.org/W3175370657","https://openalex.org/W3185386766","https://openalex.org/W3203098462","https://openalex.org/W4212892254","https://openalex.org/W4214687390","https://openalex.org/W4214715922","https://openalex.org/W4312365002","https://openalex.org/W4312399508","https://openalex.org/W4312496732","https://openalex.org/W4313048676","https://openalex.org/W4319987583","https://openalex.org/W4381059462","https://openalex.org/W4386057716","https://openalex.org/W4386066676","https://openalex.org/W4386071494","https://openalex.org/W4386072109","https://openalex.org/W4402727549","https://openalex.org/W4402916201","https://openalex.org/W7133210099","https://openalex.org/W7133251569"],"related_works":[],"abstract_inverted_index":{"Standard":[0],"Unsupervised":[1],"Domain":[2,60],"Adaptation":[3,61],"(UDA)":[4],"aims":[5],"to":[6,14,21,144,175,186],"transfer":[7],"knowledge":[8],"from":[9,95],"a":[10,72,126],"labeled":[11],"source":[12,23,33],"domain":[13],"an":[15,96,118],"unlabeled":[16],"target,":[17],"requiring":[18],"simultaneous":[19],"access":[20],"both":[22,65],"and":[24,34],"target":[25,35],"data.":[26],"Moreover,":[27],"UDA":[28],"approaches":[29],"commonly":[30],"assume":[31],"that":[32,77,170],"domains":[36],"share":[37],"the":[38,55,81,105,115,141,153,177,184],"same":[39],"labels":[40],"space.":[41],"Yet,":[42],"these":[43],"two":[44],"assumptions":[45,66],"are":[46],"hardly":[47],"satisfied":[48],"in":[49],"real-world":[50],"scenarios.":[51],"This":[52],"paper":[53],"considers":[54],"more":[56],"challenging":[57],"Source-Free":[58],"Open-set":[59],"(SF-OSDA)":[62],"setting,":[63],"where":[64],"do":[67],"not":[68],"hold.":[69],"We":[70],"propose":[71,125],"novel":[73,127,181,188],"approach":[74,158],"for":[75],"SF-OSDA":[76],"takes":[78],"advantage":[79],"of":[80,83,107,117,155,180],"granularity":[82],"target-private":[84,108],"categories":[85],"by":[86,110],"segregating":[87],"their":[88,112],"samples":[89,109],"into":[90,136],"multiple":[91],"unknown":[92],"classes.":[93],"Starting":[94],"initial":[97],"clustering-based":[98],"pseudo-labels":[99,113],"initialisation,":[100],"our":[101,156,171],"method":[102,172],"progressively":[103],"improves":[104],"segregation":[106],"refining":[111],"with":[114],"guide":[116],"uncertainty-based":[119],"sample":[120],"selection":[121],"module.":[122],"Additionally,":[123],"we":[124],"contrastive":[128,138],"loss,":[129],"named":[130],"NL-InfoNCELoss,":[131],"that,":[132],"integrating":[133],"negative":[134],"learning":[135],"self-supervised":[137],"learning,":[139],"enhances":[140],"model":[142],"robustness":[143],"noisy":[145],"pseudo-labels.":[146],"Extensive":[147],"experiments":[148],"on":[149],"benchmark":[150],"datasets":[151],"demonstrate":[152],"superiority":[154],"proposed":[157],"over":[159],"competing":[160],"methods,":[161],"establishing":[162],"new":[163],"state-of-the-art":[164],"performance.":[165],"Notably,":[166],"additional":[167],"analyses":[168],"show":[169],"is":[173],"able":[174],"learn":[176],"underlying":[178],"semantics":[179],"classes,":[182],"opening":[183],"possibility":[185],"perform":[187],"class":[189],"discovery.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2026-03-10T00:00:00"}
