{"id":"https://openalex.org/W3008770255","doi":"https://doi.org/10.1145/3378184.3378226","title":"Improved Computation of Affine Dynamic Time Warping","display_name":"Improved Computation of Affine Dynamic Time Warping","publication_year":2020,"publication_date":"2020-01-07","ids":{"openalex":"https://openalex.org/W3008770255","doi":"https://doi.org/10.1145/3378184.3378226","mag":"3008770255"},"language":"en","primary_location":{"id":"doi:10.1145/3378184.3378226","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3378184.3378226","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd International Conference on Applications of Intelligent Systems","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/A5100349804","display_name":"Jiaqi Zhang","orcid":"https://orcid.org/0000-0002-3714-3414"},"institutions":[{"id":"https://openalex.org/I22465464","display_name":"University of M\u00fcnster","ror":"https://ror.org/00pd74e08","country_code":"DE","type":"education","lineage":["https://openalex.org/I22465464"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jiaqi Zhang","raw_affiliation_strings":["University of M\u00fcnster, M\u00fcnster, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of M\u00fcnster, M\u00fcnster, Germany","institution_ids":["https://openalex.org/I22465464"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022183918","display_name":"Xiaoyi Jiang","orcid":"https://orcid.org/0000-0001-7678-9528"},"institutions":[{"id":"https://openalex.org/I22465464","display_name":"University of M\u00fcnster","ror":"https://ror.org/00pd74e08","country_code":"DE","type":"education","lineage":["https://openalex.org/I22465464"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Xiaoyi Jiang","raw_affiliation_strings":["University of M\u00fcnster, M\u00fcnster, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of M\u00fcnster, M\u00fcnster, Germany","institution_ids":["https://openalex.org/I22465464"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I22465464"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.01809136,"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":0.9998999834060669,"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":0.9998999834060669,"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/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9750000238418579,"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/T11309","display_name":"Music and Audio Processing","score":0.96670001745224,"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/affine-transformation","display_name":"Affine transformation","score":0.8382669687271118},{"id":"https://openalex.org/keywords/dynamic-time-warping","display_name":"Dynamic time warping","score":0.8252482414245605},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6962685585021973},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.6470639705657959},{"id":"https://openalex.org/keywords/image-warping","display_name":"Image warping","score":0.6394625902175903},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5850303173065186},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5607575178146362},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.5503824353218079},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5237020254135132},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5163989663124084},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.36715883016586304},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3522588014602661},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3197539448738098}],"concepts":[{"id":"https://openalex.org/C92757383","wikidata":"https://www.wikidata.org/wiki/Q382497","display_name":"Affine transformation","level":2,"score":0.8382669687271118},{"id":"https://openalex.org/C88516994","wikidata":"https://www.wikidata.org/wiki/Q1268863","display_name":"Dynamic time warping","level":2,"score":0.8252482414245605},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6962685585021973},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.6470639705657959},{"id":"https://openalex.org/C157202957","wikidata":"https://www.wikidata.org/wiki/Q1659609","display_name":"Image warping","level":2,"score":0.6394625902175903},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5850303173065186},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5607575178146362},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.5503824353218079},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5237020254135132},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5163989663124084},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.36715883016586304},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3522588014602661},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3197539448738098},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3378184.3378226","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3378184.3378226","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd International Conference on Applications of Intelligent Systems","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":14,"referenced_works":["https://openalex.org/W170732776","https://openalex.org/W1512104753","https://openalex.org/W1894414046","https://openalex.org/W1985690171","https://openalex.org/W2114013702","https://openalex.org/W2119601599","https://openalex.org/W2126739949","https://openalex.org/W2157951015","https://openalex.org/W2242382260","https://openalex.org/W2307970169","https://openalex.org/W2588062088","https://openalex.org/W2899316466","https://openalex.org/W2952525216","https://openalex.org/W2964049638"],"related_works":["https://openalex.org/W1670332068","https://openalex.org/W2095618524","https://openalex.org/W2735770592","https://openalex.org/W1971024059","https://openalex.org/W2347413598","https://openalex.org/W2330863229","https://openalex.org/W71572444","https://openalex.org/W1997383766","https://openalex.org/W2154472250","https://openalex.org/W2350336482"],"abstract_inverted_index":{"Dynamic":[0],"time":[1,8,21],"warping":[2,43],"(DTW)":[3],"measures":[4],"the":[5,34,61,79,87,91,99,112,141],"dissimilarity":[6],"of":[7,69,82,89,114,119,128,143,150],"series":[9,22],"and":[10,44,154],"is":[11,56,73,108,125],"a":[12,126],"fundamental":[13],"technique":[14,107],"in":[15,86],"pattern":[16],"recognition.":[17],"In":[18,94],"practice,":[19],"two":[20],"may":[23],"be":[24,39],"subject":[25],"to":[26,38,41,49,110,117,139,146],"some":[27],"global":[28],"geometric":[29],"(e.g.":[30],"affine)":[31],"transformation.":[32],"Thus,":[33],"DTW":[35,152],"computation":[36,153],"has":[37],"extended":[40],"optimizing":[42],"transformation":[45,83,121],"parameters":[46,116,122],"simultaneously.":[47],"Due":[48],"its":[50],"high":[51],"complexity":[52],"this":[53,70,95],"optimization":[54,101,115,130],"problem":[55,102],"typically":[57],"solved":[58],"by":[59],"using":[60],"Expectation":[62],"Maximization":[63],"(EM)":[64],"algorithm.":[65],"A":[66,104],"big":[67],"disadvantage":[68],"approach,":[71],"however,":[72],"that":[74,118],"one":[75],"does":[76],"not":[77],"explore":[78],"complete":[80],"space":[81],"parameters,":[84],"resulting":[85],"danger":[88],"missing":[90],"genuine":[92],"optimum.":[93],"work":[96],"we":[97],"solve":[98],"original":[100],"directly.":[103],"parameter":[105],"decomposition":[106],"applied":[109],"reduce":[111],"number":[113],"(affine)":[120],"only,":[123],"which":[124],"fraction":[127],"all":[129],"parameters.":[131],"Experimental":[132],"results":[133],"on":[134],"signature":[135],"data":[136],"are":[137],"shown":[138],"demonstrate":[140],"ability":[142],"our":[144],"approach":[145],"obtain":[147],"improved":[148],"precision":[149],"affine":[151],"enhanced":[155],"classification":[156],"performance.":[157]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}