{"id":"https://openalex.org/W4408355452","doi":"https://doi.org/10.1109/icassp49660.2025.10890568","title":"Towards Unbiased Evaluation of Time-series Anomaly Detector","display_name":"Towards Unbiased Evaluation of Time-series Anomaly Detector","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408355452","doi":"https://doi.org/10.1109/icassp49660.2025.10890568"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10890568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890568","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":null,"display_name":"Debarpan Bhattacharya","orcid":null},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Debarpan Bhattacharya","raw_affiliation_strings":["Indian Institute of Science,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Science,Bangalore,India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070040086","display_name":"Sumanta Mukherjee","orcid":"https://orcid.org/0000-0003-2042-9966"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sumanta Mukherjee","raw_affiliation_strings":["IBM Research,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,Bangalore,India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059738367","display_name":"Chandramouli Kamanchi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chandramouli Kamanchi","raw_affiliation_strings":["IBM Research,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,Bangalore,India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054052378","display_name":"Vijay Ekambaram","orcid":"https://orcid.org/0009-0004-5824-9826"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vijay Ekambaram","raw_affiliation_strings":["IBM Research,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,Bangalore,India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067289130","display_name":"Arindam Jati","orcid":"https://orcid.org/0000-0002-9498-8536"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Arindam Jati","raw_affiliation_strings":["IBM Research,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,Bangalore,India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112439933","display_name":"Pankaj Dayama","orcid":null},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Pankaj Dayama","raw_affiliation_strings":["IBM Research,Bangalore,India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research,Bangalore,India","institution_ids":["https://openalex.org/I4210103279"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.673,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.79191547,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9969000220298767,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9969000220298767,"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10400","display_name":"Network Security and Intrusion Detection","score":0.9480000138282776,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.7322086691856384},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6074159741401672},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5859928727149963},{"id":"https://openalex.org/keywords/anomaly","display_name":"Anomaly (physics)","score":0.5764241218566895},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.5129587054252625},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.5009534358978271},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.25297436118125916},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15655604004859924},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1413021981716156},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.10556569695472717},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.09242784976959229}],"concepts":[{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.7322086691856384},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6074159741401672},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5859928727149963},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.5764241218566895},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.5129587054252625},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.5009534358978271},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.25297436118125916},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15655604004859924},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1413021981716156},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.10556569695472717},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.09242784976959229},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10890568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890568","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2122646361","https://openalex.org/W2157825442","https://openalex.org/W2785362611","https://openalex.org/W3081497074","https://openalex.org/W3091751937","https://openalex.org/W3184127157","https://openalex.org/W3198059351","https://openalex.org/W3199473923","https://openalex.org/W4285109203","https://openalex.org/W4289528726","https://openalex.org/W4306317275","https://openalex.org/W4315647774","https://openalex.org/W4388714256","https://openalex.org/W4388797346","https://openalex.org/W4401487891","https://openalex.org/W4402056503","https://openalex.org/W6754359508","https://openalex.org/W6802061597","https://openalex.org/W6850493425","https://openalex.org/W6861657373","https://openalex.org/W6861995674","https://openalex.org/W6869801032"],"related_works":["https://openalex.org/W2806741695","https://openalex.org/W4290647774","https://openalex.org/W3189286258","https://openalex.org/W3207797160","https://openalex.org/W3210364259","https://openalex.org/W4300558037","https://openalex.org/W2667207928","https://openalex.org/W2912112202","https://openalex.org/W4377864969","https://openalex.org/W3120251014"],"abstract_inverted_index":{"Time":[0],"series":[1],"anomaly":[2,54,84],"detection":[3],"(TSAD)":[4],"is":[5,64],"an":[6,118],"evolving":[7],"area":[8],"of":[9,60,72,131,139,145],"research":[10],"motivated":[11],"by":[12,142],"its":[13],"critical":[14],"applications,":[15],"such":[16],"as":[17,89],"detecting":[18],"seismic":[19],"activity,":[20],"sensor":[21],"failures":[22],"in":[23,28,57,109],"industrial":[24],"plants,":[25],"predicting":[26],"crashes":[27],"the":[29,46,48,58,73,94,129],"stock":[30],"market,":[31],"and":[32,78,102,136,149],"so":[33],"on.":[34],"Across":[35],"domains,":[36],"anomalies":[37],"occur":[38],"significantly":[39],"less":[40],"frequently":[41],"than":[42],"normal":[43],"data,":[44],"making":[45],"F1-score":[47,70,95],"most":[49],"commonly":[50],"adopted":[51],"metric":[52],"for":[53],"detection.":[55],"However,":[56,97],"case":[59],"time":[61],"series,":[62],"it":[63],"not":[65],"straightforward":[66],"to":[67],"use":[68],"standard":[69],"because":[71],"dissociation":[74],"between":[75],"\u2018time":[76,79],"points\u2019":[77],"events\u2019.":[80],"To":[81],"accommodate":[82],"this,":[83],"predictions":[85],"are":[86,100],"adjusted,":[87],"called":[88,122],"point":[90,124,133],"adjustment":[91,120,134],"(PA),":[92],"before":[93],"evaluation.":[96,147],"these":[98],"adjustments":[99],"heuristics-based,":[101],"biased":[103],"towards":[104],"true":[105],"positive":[106],"detection,":[107],"resulting":[108],"over-estimated":[110],"detector":[111],"performance.":[112],"In":[113],"this":[114],"work,":[115],"we":[116],"propose":[117],"alternative":[119],"protocol":[121],"\"Balanced":[123],"adjustment\"":[125],"(BA).":[126],"It":[127],"addresses":[128],"limitations":[130],"existing":[132],"methods":[135],"provides":[137],"guarantees":[138],"fairness":[140],"backed":[141],"axiomatic":[143],"definitions":[144],"TSAD":[146],"Code":[148],"implementation":[150],"details:":[151],"https://github.com/summukhe/balanced_f1score.":[152]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
