{"id":"https://openalex.org/W4408356804","doi":"https://doi.org/10.1109/icassp49660.2025.10890502","title":"Detecting OOD Samples via Optimal Transport Scoring Function","display_name":"Detecting OOD Samples via Optimal Transport Scoring Function","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408356804","doi":"https://doi.org/10.1109/icassp49660.2025.10890502"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10890502","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890502","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5102498587","display_name":"Heng Gao","orcid":"https://orcid.org/0009-0003-6341-3144"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Heng Gao","raw_affiliation_strings":["Fudan University,ISTBI,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,ISTBI,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015200754","display_name":"Zhongbo He","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhuolin He","raw_affiliation_strings":["Fudan University,School of Computer Science,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,School of Computer Science,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100622420","display_name":"Jian Pu","orcid":"https://orcid.org/0000-0002-8487-9467"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Pu","raw_affiliation_strings":["Fudan University,ISTBI,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,ISTBI,China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03606716,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12564","display_name":"Sensor Technology and Measurement Systems","score":0.1835000067949295,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T12564","display_name":"Sensor Technology and Measurement Systems","score":0.1835000067949295,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.17399999499320984,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing 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/T11472","display_name":"Analytical Chemistry and Sensors","score":0.15489999949932098,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical 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":0.5881842970848083},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5106309056282043}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5881842970848083},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5106309056282043},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10890502","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890502","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1932198206","https://openalex.org/W1994616650","https://openalex.org/W2007339694","https://openalex.org/W2047643928","https://openalex.org/W2194775991","https://openalex.org/W2551176409","https://openalex.org/W2732026016","https://openalex.org/W2889326414","https://openalex.org/W2964137095","https://openalex.org/W3214903388","https://openalex.org/W4233762729","https://openalex.org/W4386083133","https://openalex.org/W6688325169","https://openalex.org/W6703116779","https://openalex.org/W6728622933","https://openalex.org/W6745891213","https://openalex.org/W6752760542","https://openalex.org/W6779395778","https://openalex.org/W6784323503","https://openalex.org/W6787380718","https://openalex.org/W6796078860","https://openalex.org/W6845991869","https://openalex.org/W6853540685"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"To":[0],"deploy":[1],"machine":[2],"learning":[3],"models":[4,18],"in":[5,78,82,162,178,199],"the":[6,23,74,93,109,115,131,141,147,156,163,167,173,179,185],"real":[7],"world,":[8],"researchers":[9],"have":[10],"proposed":[11],"many":[12],"OOD":[13,100,116],"detection":[14],"algorithms":[15],"to":[16,72,113],"help":[17],"identify":[19],"unknown":[20],"samples":[21,50],"during":[22],"inference":[24],"phase":[25],"and":[26,59,108,143,175],"prevent":[27],"them":[28],"from":[29,105],"making":[30],"untrustworthy":[31],"predictions.":[32],"Unlike":[33],"methods":[34,46,69],"that":[35,125],"rely":[36],"on":[37,92,140,166],"extra":[38],"data":[39],"for":[40,99,118,193],"outlier":[41],"exposure":[42],"training,":[43],"post":[44,67],"hoc":[45,68],"detect":[47],"Out-of-Distribution":[48],"(OOD)":[49],"by":[51,160,176],"developing":[52],"scoring":[53],"functions,":[54],"which":[55],"are":[56],"model":[57],"agnostic":[58],"do":[60],"not":[61],"require":[62],"additional":[63],"training.":[64],"However,":[65],"previous":[66],"may":[70],"fail":[71],"capture":[73],"geometric":[75],"cues":[76],"embedded":[77],"network":[79],"representations.":[80],"Thus,":[81],"this":[83,127],"study,":[84],"we":[85,189],"propose":[86],"a":[87,136],"novel":[88],"score":[89,117],"function":[90],"based":[91],"optimal":[94],"transport":[95],"theory,":[96],"named":[97],"OTOD,":[98],"detection.":[101],"We":[102],"utilize":[103],"information":[104,128],"features,":[106],"logits,":[107],"softmax":[110],"probability":[111],"space":[112],"calculate":[114],"each":[119],"test":[120],"sample.":[121],"Our":[122],"experiments":[123],"show":[124],"combining":[126],"can":[129],"boost":[130],"performance":[132,149],"of":[133,150],"OTOD":[134,154],"with":[135],"certain":[137],"margin.":[138],"Experiments":[139],"CIFAR-10":[142,168],"CIFAR-100":[144],"benchmarks":[145],"demonstrate":[146],"superior":[148],"our":[151],"method.":[152],"Notably,":[153],"outperforms":[155],"state-of-the-art":[157],"method":[158],"GEN":[159],"7.19%":[161],"mean":[164,180],"FPR@95":[165,181],"benchmark":[169],"using":[170,182],"ResNet-18":[171],"as":[172,184],"backbone,":[174],"12.51%":[177],"WideResNet-28":[183],"backbone.":[186],"In":[187],"addition,":[188],"provide":[190],"theoretical":[191],"guarantees":[192],"OTOD.":[194],"The":[195],"code":[196],"is":[197],"available":[198],"https://github.com/HengGao12/OTOD.":[200]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}