{"id":"https://openalex.org/W2979410563","doi":"https://doi.org/10.1145/3323503.3360306","title":"Using convolutional neural networks for fingerspelling sign recognition in brazilian sign language","display_name":"Using convolutional neural networks for fingerspelling sign recognition in brazilian sign language","publication_year":2019,"publication_date":"2019-10-10","ids":{"openalex":"https://openalex.org/W2979410563","doi":"https://doi.org/10.1145/3323503.3360306","mag":"2979410563"},"language":"en","primary_location":{"id":"doi:10.1145/3323503.3360306","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3323503.3360306","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th Brazillian Symposium on Multimedia and the Web","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/A5067463094","display_name":"Douglas Ferreira Lima","orcid":"https://orcid.org/0000-0003-2606-5809"},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Douglas F. L. Lima","raw_affiliation_strings":["LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil"],"affiliations":[{"raw_affiliation_string":"LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004351514","display_name":"Armando S. Salvador Neto","orcid":null},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Armando S. Salvador Neto","raw_affiliation_strings":["LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil"],"affiliations":[{"raw_affiliation_string":"LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034786814","display_name":"Ewerton N. Santos","orcid":null},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Ewerton N. Santos","raw_affiliation_strings":["LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil"],"affiliations":[{"raw_affiliation_string":"LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083080020","display_name":"Tiago Maritan Ugulino de Ara\u00fajo","orcid":"https://orcid.org/0000-0002-5953-5435"},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Tiago Maritan U. Araujo","raw_affiliation_strings":["LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil"],"affiliations":[{"raw_affiliation_string":"LAVID/CI/UFPB, Jo\u00e3o Pessoa, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061306912","display_name":"Tha\u00eds G. do R\u00eago","orcid":"https://orcid.org/0000-0002-6608-4900"},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Thais Gaudencio do R\u00eago","raw_affiliation_strings":["VISIO/CI/UFPB, Jo\u00e3o Pessoa, Brazil"],"affiliations":[{"raw_affiliation_string":"VISIO/CI/UFPB, Jo\u00e3o Pessoa, Brazil","institution_ids":["https://openalex.org/I169045520"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5067463094"],"corresponding_institution_ids":["https://openalex.org/I169045520"],"apc_list":null,"apc_paid":null,"fwci":0.1694,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.51565311,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"109","last_page":"115"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11285","display_name":"Hearing Impairment and Communication","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10914","display_name":"Tactile and Sensory Interactions","score":0.9534000158309937,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sign-language","display_name":"Sign language","score":0.8885445594787598},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.808190107345581},{"id":"https://openalex.org/keywords/interpreter","display_name":"Interpreter","score":0.6598547697067261},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6204902529716492},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.538068413734436},{"id":"https://openalex.org/keywords/american-sign-language","display_name":"American Sign Language","score":0.5241320729255676},{"id":"https://openalex.org/keywords/sign","display_name":"Sign (mathematics)","score":0.5240150690078735},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5175144672393799},{"id":"https://openalex.org/keywords/machine-translation","display_name":"Machine translation","score":0.5097102522850037},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.4933227598667145},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4594825506210327},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.228044331073761},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09616595506668091},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.06873190402984619}],"concepts":[{"id":"https://openalex.org/C522192633","wikidata":"https://www.wikidata.org/wiki/Q34228","display_name":"Sign language","level":2,"score":0.8885445594787598},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.808190107345581},{"id":"https://openalex.org/C122783720","wikidata":"https://www.wikidata.org/wiki/Q183065","display_name":"Interpreter","level":2,"score":0.6598547697067261},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6204902529716492},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.538068413734436},{"id":"https://openalex.org/C2776737515","wikidata":"https://www.wikidata.org/wiki/Q14759","display_name":"American Sign Language","level":3,"score":0.5241320729255676},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.5240150690078735},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5175144672393799},{"id":"https://openalex.org/C203005215","wikidata":"https://www.wikidata.org/wiki/Q79798","display_name":"Machine translation","level":2,"score":0.5097102522850037},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.4933227598667145},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4594825506210327},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.228044331073761},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09616595506668091},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.06873190402984619},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3323503.3360306","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3323503.3360306","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th Brazillian Symposium on Multimedia and the Web","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1978818719","https://openalex.org/W2029264671","https://openalex.org/W2274287116","https://openalex.org/W2375537920","https://openalex.org/W2612445135","https://openalex.org/W2734715902","https://openalex.org/W2827413932","https://openalex.org/W2899768692","https://openalex.org/W2906316307","https://openalex.org/W2962835968","https://openalex.org/W2964081807","https://openalex.org/W3202995395","https://openalex.org/W6676297131"],"related_works":["https://openalex.org/W4386716227","https://openalex.org/W2239478350","https://openalex.org/W2056227523","https://openalex.org/W4396496381","https://openalex.org/W134296123","https://openalex.org/W1608168893","https://openalex.org/W2348960846","https://openalex.org/W4285152862","https://openalex.org/W2016595578","https://openalex.org/W1498547796"],"abstract_inverted_index":{"Deaf":[0],"people":[1,95],"communicate":[2],"naturally":[3],"using":[4,16,69],"sign":[5,34],"languages,":[6,38],"and":[7,103,124],"because":[8],"of":[9,88,116,129,138,157],"this,":[10],"they":[11],"have":[12],"difficulty":[13],"in":[14,64,96,119,131,154],"communicating":[15],"oral":[17,37],"or":[18,48],"written":[19],"languages.":[20],"To":[21],"minimize":[22],"this":[23,51,55],"problem,":[24],"one":[25],"alternative":[26],"is":[27],"to":[28,150,152],"use":[29],"machine":[30,145],"translation":[31],"systems":[32],"from":[33,147],"languages":[35],"into":[36],"especially":[39],"for":[40,61],"scenarios":[41],"where":[42],"human":[43],"interpreters":[44],"are":[45],"not":[46],"viable":[47],"unavailable.":[49],"In":[50],"work,":[52],"we":[53],"address":[54],"problem":[56],"by":[57,81,93],"proposing":[58],"a":[59,76,120],"solution":[60,111,139],"fingerspelling":[62],"recognition":[63],"Brazilian":[65,148,158],"Sign":[66],"Language":[67],"(Libras)":[68],"Convolutional":[70],"Neural":[71],"Networks.":[72],"The":[73,106],"system":[74],"uses":[75],"224000":[77],"images":[78],"dataset":[79],"created":[80],"our":[82],"team,":[83],"which":[84],"represents":[85],"the":[86,89,110,155],"letters":[87],"Libras":[90],"alphabet":[91],"signed":[92],"12":[94],"different":[97],"backgrounds,":[98],"body":[99],"arm,":[100],"hand":[101],"positions,":[102],"lighting":[104],"patterns.":[105],"results":[107],"show":[108],"that":[109],"had":[112,125],"an":[113,126,132],"average":[114,127],"accuracy":[115,128],"approximately":[117],"99%":[118],"dependent":[121],"person":[122,134],"scenario,":[123],"71%":[130],"independent":[133],"scenario.":[135],"This":[136],"type":[137],"can":[140],"be":[141],"used":[142],"together":[143],"with":[144],"translators":[146],"Portuguese":[149],"Libras,":[151],"assist":[153],"communication":[156],"deaf":[159],"people.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
