{"id":"https://openalex.org/W4408353779","doi":"https://doi.org/10.1109/icassp49660.2025.10888580","title":"TSIformer: Multi-Scale Dilation Transformer with Cross-variable and Cross-feature Dependency for Time Series Imputation","display_name":"TSIformer: Multi-Scale Dilation Transformer with Cross-variable and Cross-feature Dependency for Time Series Imputation","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408353779","doi":"https://doi.org/10.1109/icassp49660.2025.10888580"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10888580","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10888580","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":"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/A5108963822","display_name":"Haozheng Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haozheng Yang","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009366733","display_name":"Xuelin Cheng","orcid":null},"institutions":[{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuelin Cheng","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113315645","display_name":"Runjie Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]},{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Runjie Zhao","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101857074","display_name":"Xu Zou","orcid":"https://orcid.org/0000-0002-7977-1160"},"institutions":[{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Zou","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103653968","display_name":"Botao Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Botao Wu","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108149945","display_name":"Xince Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I109935558","display_name":"Ningbo University","ror":"https://ror.org/03et85d35","country_code":"CN","type":"education","lineage":["https://openalex.org/I109935558"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xince Chen","raw_affiliation_strings":["Zhejiang University,School of Software Technology,Ningbo,China"],"affiliations":[{"raw_affiliation_string":"Zhejiang University,School of Software Technology,Ningbo,China","institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5108963822"],"corresponding_institution_ids":["https://openalex.org/I109935558","https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05477981,"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9617999792098999,"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"}},"topics":[{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9617999792098999,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5696980953216553},{"id":"https://openalex.org/keywords/imputation","display_name":"Imputation (statistics)","score":0.5092860460281372},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.47821375727653503},{"id":"https://openalex.org/keywords/dilation","display_name":"Dilation (metric space)","score":0.4608587324619293},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.32615575194358826},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20180371403694153},{"id":"https://openalex.org/keywords/missing-data","display_name":"Missing data","score":0.14079490303993225},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.11479690670967102}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5696980953216553},{"id":"https://openalex.org/C58041806","wikidata":"https://www.wikidata.org/wiki/Q1660484","display_name":"Imputation (statistics)","level":3,"score":0.5092860460281372},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.47821375727653503},{"id":"https://openalex.org/C2780757906","wikidata":"https://www.wikidata.org/wiki/Q5276676","display_name":"Dilation (metric space)","level":2,"score":0.4608587324619293},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32615575194358826},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20180371403694153},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.14079490303993225},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.11479690670967102},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp49660.2025.10888580","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10888580","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":18,"referenced_works":["https://openalex.org/W2000632882","https://openalex.org/W2101926813","https://openalex.org/W3177318507","https://openalex.org/W4319663728","https://openalex.org/W4382203079","https://openalex.org/W4383218913","https://openalex.org/W4385245566","https://openalex.org/W4386075553","https://openalex.org/W6631190155","https://openalex.org/W6640963894","https://openalex.org/W6746015598","https://openalex.org/W6749825310","https://openalex.org/W6788705105","https://openalex.org/W6794345597","https://openalex.org/W6810637551","https://openalex.org/W6845625448","https://openalex.org/W6846825190","https://openalex.org/W6857279128"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3132983279","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4211215373","https://openalex.org/W4396701345","https://openalex.org/W3217094455"],"abstract_inverted_index":{"In":[0],"the":[1,10,60,84,96,107],"time":[2,38],"series":[3,39,67],"imputation":[4],"task,":[5],"most":[6],"Transformer-based":[7,33],"methods":[8],"adopt":[9],"standard":[11],"full":[12],"attention":[13,56],"mechanism,":[14],"which":[15],"not":[16],"only":[17],"has":[18],"high":[19],"complexity":[20],"but":[21],"also":[22],"cannot":[23],"aggregate":[24],"semantic":[25],"multi-scale":[26,63],"information":[27],"effectively.":[28],"This":[29],"paper":[30],"proposes":[31,42],"a":[32,43,76,89],"model":[34],"called":[35],"TSIformer":[36,41,86,118],"for":[37,66],"imputation.":[40],"Sequence":[44],"Multi-Scale":[45],"Dilated":[46],"Attention":[47],"mechanism":[48],"that":[49],"assigns":[50],"distinct":[51],"dilation":[52],"rates":[53],"to":[54,58,80,94,103],"different":[55],"heads":[57],"enable":[59],"ability":[61],"of":[62],"representation":[64],"learning":[65],"data.":[68],"Self-attention":[69],"is":[70],"performed":[71],"over":[72],"temporal":[73],"segments,":[74],"through":[75],"dilated":[77],"sliding":[78],"window":[79],"capture":[81,105],"dependencies":[82],"within":[83],"sequence.":[85],"further":[87],"introduces":[88],"Dual-Path":[90],"Convolutional":[91],"Feed-Forward":[92,98],"Network":[93,99],"replace":[95],"traditional":[97],"in":[100],"vanilla":[101],"Transformer":[102],"better":[104],"both":[106],"cross-feature":[108],"and":[109,122],"cross-variable":[110],"dependency.":[111],"Through":[112],"extensive":[113],"experiments":[114],"on":[115],"multiple":[116],"benchmarks,":[117],"demonstrates":[119],"its":[120],"effectiveness":[121],"robustness.":[123]},"counts_by_year":[],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}
