{"id":"https://openalex.org/W3117018656","doi":"https://doi.org/10.3390/info12010001","title":"Comparative Study of Dimensionality Reduction Techniques for Spectral\u2013Temporal Data","display_name":"Comparative Study of Dimensionality Reduction Techniques for Spectral\u2013Temporal Data","publication_year":2020,"publication_date":"2020-12-22","ids":{"openalex":"https://openalex.org/W3117018656","doi":"https://doi.org/10.3390/info12010001","mag":"3117018656"},"language":"en","primary_location":{"id":"doi:10.3390/info12010001","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info12010001","pdf_url":"https://www.mdpi.com/2078-2489/12/1/1/pdf?version=1608624958","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2078-2489/12/1/1/pdf?version=1608624958","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078051518","display_name":"Shingchern D. You","orcid":"https://orcid.org/0000-0002-8745-1300"},"institutions":[{"id":"https://openalex.org/I118292597","display_name":"National Taipei University of Technology","ror":"https://ror.org/00cn92c09","country_code":"TW","type":"education","lineage":["https://openalex.org/I118292597"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Shingchern D. You","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 10608, Taiwan"],"raw_orcid":"https://orcid.org/0000-0002-8745-1300","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 10608, Taiwan","institution_ids":["https://openalex.org/I118292597"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083632231","display_name":"Ming-Jen Hung","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ming-Jen Hung","raw_affiliation_strings":["ITE Tech, Inc., Hsinchu 30076, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ITE Tech, Inc., Hsinchu 30076, Taiwan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5078051518"],"corresponding_institution_ids":["https://openalex.org/I118292597"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1782},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1782},"fwci":1.0081,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.7664937,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"12","issue":"1","first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9995999932289124,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9995999932289124,"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/T11309","display_name":"Music and Audio Processing","score":0.9988999962806702,"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/T10860","display_name":"Speech and Audio Processing","score":0.9975000023841858,"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/principal-component-analysis","display_name":"Principal component analysis","score":0.8580925464630127},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.8262930512428284},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.757885217666626},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6456921696662903},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.6109726428985596},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6056535243988037},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.5917997360229492},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.49908018112182617},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.48121050000190735}],"concepts":[{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.8580925464630127},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.8262930512428284},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.757885217666626},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6456921696662903},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.6109726428985596},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6056535243988037},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.5917997360229492},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.49908018112182617},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.48121050000190735},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"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/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/info12010001","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info12010001","pdf_url":"https://www.mdpi.com/2078-2489/12/1/1/pdf?version=1608624958","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:23e8e6567157470088860e563cfd793b","is_oa":true,"landing_page_url":"https://doaj.org/article/23e8e6567157470088860e563cfd793b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Information, Vol 12, Iss 1, p 1 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2078-2489/12/1/1/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/info12010001","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Information; Volume 12; Issue 1; Pages: 1","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/info12010001","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info12010001","pdf_url":"https://www.mdpi.com/2078-2489/12/1/1/pdf?version=1608624958","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3117018656.pdf","grobid_xml":"https://content.openalex.org/works/W3117018656.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1555148682","https://openalex.org/W1571401318","https://openalex.org/W2030741364","https://openalex.org/W2050082341","https://openalex.org/W2072924529","https://openalex.org/W2076245975","https://openalex.org/W2076694837","https://openalex.org/W2123649031","https://openalex.org/W2139896607","https://openalex.org/W2158569874","https://openalex.org/W2183877827","https://openalex.org/W2198557826","https://openalex.org/W2507937192","https://openalex.org/W2977305403","https://openalex.org/W2999450097","https://openalex.org/W3045294822","https://openalex.org/W3111225860","https://openalex.org/W4300655869","https://openalex.org/W6683345852"],"related_works":["https://openalex.org/W2579148721","https://openalex.org/W4387893611","https://openalex.org/W2347335694","https://openalex.org/W2091056927","https://openalex.org/W2067407580","https://openalex.org/W4317486777","https://openalex.org/W4389669152","https://openalex.org/W2038514069","https://openalex.org/W1967233468","https://openalex.org/W2009181529"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"the":[3,11,82,96,107,132],"use":[4],"of":[5,13,16,85],"three":[6],"different":[7],"approaches":[8,31,46,101,124],"to":[9,49,67,115,131],"reduce":[10],"dimensionality":[12],"a":[14,68],"type":[15],"spectral\u2013temporal":[17],"features,":[18],"called":[19],"motion":[20],"picture":[21],"expert":[22],"group":[23],"(MPEG)-7":[24],"audio":[25,54],"signature":[26],"descriptors":[27],"(ASD).":[28],"The":[29,88],"studied":[30],"include":[32],"principal":[33],"component":[34,38],"analysis":[35,39,43],"(PCA),":[36],"independent":[37],"(ICA),":[40],"and":[41],"factor":[42],"(FA).":[44],"These":[45,60],"are":[47,63],"applied":[48],"ASD":[50],"features":[51,62,72,93,117],"obtained":[52,94],"from":[53,74,118],"items":[55],"with":[56],"or":[57,98,122],"without":[58],"distortion.":[59],"low-dimensional":[61,71],"used":[64],"as":[65],"queries":[66],"dataset":[69],"containing":[70],"extracted":[73],"undistorted":[75],"items.":[76,113],"Doing":[77],"so,":[78],"we":[79],"may":[80],"investigate":[81],"distortion-resistant":[83],"capability":[84],"each":[86],"approach.":[87,134],"experimental":[89],"results":[90],"show":[91],"that":[92],"by":[95],"ICA":[97,121],"FA":[99,123],"reduction":[100],"have":[102],"higher":[103],"identification":[104],"accuracy":[105],"than":[106],"PCA":[108,133],"approach":[109],"for":[110],"moderately":[111],"distorted":[112,119],"Therefore,":[114],"extract":[116],"items,":[120],"should":[125],"also":[126],"be":[127],"considered":[128],"in":[129],"addition":[130]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2021-01-05T00:00:00"}
