{"id":"https://openalex.org/W7147046377","doi":"https://doi.org/10.1109/icaiic68212.2026.11454320","title":"Classification of Phonetic Syllables Using Stacked Autoencoder and Characterization via Centroid","display_name":"Classification of Phonetic Syllables Using Stacked Autoencoder and Characterization via Centroid","publication_year":2026,"publication_date":"2026-02-24","ids":{"openalex":"https://openalex.org/W7147046377","doi":"https://doi.org/10.1109/icaiic68212.2026.11454320"},"language":null,"primary_location":{"id":"doi:10.1109/icaiic68212.2026.11454320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icaiic68212.2026.11454320","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)","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/A5049498890","display_name":"Francisco dos Santos Viana","orcid":"https://orcid.org/0000-0001-6912-8449"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Francisco dos Santos Viana","raw_affiliation_strings":["Federal University of Maranho,Doctor&#x0027;s Program in Computer Science,S&#x00E3;o Luis,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Maranho,Doctor&#x0027;s Program in Computer Science,S&#x00E3;o Luis,Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119151593","display_name":"Carlos Eduardo Nascimento Cajado","orcid":null},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Carlos Eduardo Nascimento Cajado","raw_affiliation_strings":["Federal University of Maranho,Master&#x0027;s Program in Computer Science,S&#x00E3;o Luis,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Maranho,Master&#x0027;s Program in Computer Science,S&#x00E3;o Luis,Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5132699797","display_name":"Samuel Magalhes Pereira","orcid":null},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Samuel Magalhes Pereira","raw_affiliation_strings":["Federal University of Maranho,Program in Computer Science,S&#x00E3;o Luis,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Maranho,Program in Computer Science,S&#x00E3;o Luis,Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049640992","display_name":"Alexandre C\u00easar Muniz de Oliveira","orcid":"https://orcid.org/0000-0002-1499-5307"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alexandre Cesar Muniz de Oliveira","raw_affiliation_strings":["Federal University of Maranho,Department of Computer Engineering,S&#x00E3;o Luis,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Maranho,Department of Computer Engineering,S&#x00E3;o Luis,Brazil","institution_ids":["https://openalex.org/I47327664"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124224435","display_name":"Carlos Soares","orcid":null},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Carlos Soares","raw_affiliation_strings":["University of Porto, Portugal,Faculty of Engineering of Porto,Porto,Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Porto, Portugal,Faculty of Engineering of Porto,Porto,Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053684018","display_name":"Areolino de Almeida Neto","orcid":"https://orcid.org/0000-0003-4497-4416"},"institutions":[{"id":"https://openalex.org/I47327664","display_name":"Universidade Federal do Maranh\u00e3o","ror":"https://ror.org/043fhe951","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Areolino de Almeida Neto","raw_affiliation_strings":["Federal University of Maranho,Department of Computer Engineering,S&#x00E3;o Luis,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Maranho,Department of Computer Engineering,S&#x00E3;o Luis,Brazil","institution_ids":["https://openalex.org/I47327664"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.46306507,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"744","last_page":"749"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.4065000116825104,"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/T10320","display_name":"Neural Networks and Applications","score":0.4065000116825104,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.19619999825954437,"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/T10057","display_name":"Face and Expression Recognition","score":0.029200000688433647,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/autoencoder","display_name":"Autoencoder","score":0.650600016117096},{"id":"https://openalex.org/keywords/layer","display_name":"Layer (electronics)","score":0.5572999715805054},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5497000217437744},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5109999775886536},{"id":"https://openalex.org/keywords/centroid","display_name":"Centroid","score":0.4925000071525574},{"id":"https://openalex.org/keywords/syllable","display_name":"Syllable","score":0.46380001306533813},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.4397999942302704},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.3569999933242798}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7092999815940857},{"id":"https://openalex.org/C101738243","wikidata":"https://www.wikidata.org/wiki/Q786435","display_name":"Autoencoder","level":3,"score":0.650600016117096},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5601999759674072},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.5572999715805054},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5497000217437744},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5109999775886536},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4997999966144562},{"id":"https://openalex.org/C146599234","wikidata":"https://www.wikidata.org/wiki/Q511093","display_name":"Centroid","level":2,"score":0.4925000071525574},{"id":"https://openalex.org/C109089402","wikidata":"https://www.wikidata.org/wiki/Q8188","display_name":"Syllable","level":2,"score":0.46380001306533813},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.4397999942302704},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.3569999933242798},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.320499986410141},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.301800012588501},{"id":"https://openalex.org/C188721877","wikidata":"https://www.wikidata.org/wiki/Q103510","display_name":"Bar (unit)","level":2,"score":0.29899999499320984},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.2809000015258789},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.2766000032424927},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.2766000032424927},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.272599995136261},{"id":"https://openalex.org/C14999030","wikidata":"https://www.wikidata.org/wiki/Q16346","display_name":"Speech synthesis","level":2,"score":0.262800008058548},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.2547999918460846},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.2522999942302704}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icaiic68212.2026.11454320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icaiic68212.2026.11454320","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.4135931134223938,"display_name":"Quality Education"}],"awards":[{"id":"https://openalex.org/G5084420437","display_name":null,"funder_award_id":"26/2021","funder_id":"https://openalex.org/F4320322137","funder_display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa e ao Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico do Maranh\u00e3o"}],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320322137","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa e ao Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico do Maranh\u00e3o","ror":"https://ror.org/03vqm2n93"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2483714650","https://openalex.org/W2612182924","https://openalex.org/W2895917037","https://openalex.org/W2946309090","https://openalex.org/W2992847832","https://openalex.org/W3035210952","https://openalex.org/W3095636915","https://openalex.org/W3100732527","https://openalex.org/W3163838772","https://openalex.org/W3186177296","https://openalex.org/W3191950921","https://openalex.org/W4213234291","https://openalex.org/W4225905850","https://openalex.org/W4319298112","https://openalex.org/W4364375171","https://openalex.org/W4376868916","https://openalex.org/W4385700549","https://openalex.org/W4393982762","https://openalex.org/W4394008661","https://openalex.org/W4406681929","https://openalex.org/W4408095016","https://openalex.org/W4408436032"],"related_works":[],"abstract_inverted_index":{"This":[0,54,78,109,144],"work":[1],"presents":[2],"a":[3,17,81,132,165],"new":[4,46,63],"method":[5],"for":[6,164],"layer":[7,34,41],"insertion":[8,55],"in":[9,106,113,157],"stacked":[10],"autoencoder":[11],"neural":[12,82],"networks.":[13],"In":[14],"this":[15],"approach,":[16],"branch":[18,47],"of":[19,26,38,95,99,104,159,162],"layers":[20,100],"is":[21,48,57],"inserted":[22],"on":[23],"the":[24,27,32,36,45,51,66,70,75,92,97,102,118,123,138,160],"side":[25],"last":[28],"hidden":[29],"layer,":[30],"and":[31,101],"output":[33],"after":[35],"training":[37],"an":[39],"existing":[40],"has":[42],"stabilized.":[43],"Later,":[44],"merged":[49],"with":[50,86],"previous":[52,76],"layers.":[53,77],"type":[56],"called":[58],"collaborative,":[59],"as":[60],"it":[61],"introduces":[62],"knowledge":[64,71],"to":[65,84,136],"network":[67,83],"without":[68,149],"reducing":[69],"already":[72],"acquired":[73],"by":[74,141],"approach":[79],"enables":[80],"learn":[85],"reduced":[87],"design":[88],"time.":[89],"It":[90],"overcomes":[91],"typical":[93],"problem":[94],"defining":[96],"number":[98,103],"neurons":[105],"each":[107],"layer.":[108],"technique":[110],"was":[111],"applied":[112],"phonetic":[114],"syllable":[115],"classification,":[116],"where":[117],"Fast":[119],"Fourier":[120],"Transform":[121],"obtains":[122],"audio":[124,127,139],"data.":[125],"These":[126],"data":[128,140,147],"were":[129,155],"processed":[130],"using":[131,142],"vertical":[133],"bar":[134],"plot":[135],"compress":[137],"centroids.":[143],"procedure":[145],"provided":[146],"compression":[148],"losing":[150],"characteristics.":[151],"Thus,":[152],"collaborative":[153],"insertions":[154],"evaluated":[156],"terms":[158],"degree":[161],"growth":[163],"multi-class":[166],"classification":[167],"problem.":[168]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-04-02T00:00:00"}
