Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/5296 |
Resumo: | This paper proposes a method for gesture-based text input to be used in devices with touch screens. The steps required for this are: recognizing gestures, identify actions needed to enter letters and recognize letters with up to two interactions. To the recognition of gestures, we used the incremental recognition algorithm, which works so that it is not necessary to finish a gesture for this to be recognized, that is, works with continuous gesture recognition. Furthermore, a template is used as a reference for the recognition of gestures. The algorithm identifies the likelihood of the gesture being a running the template. As the incremental recognition algorithm did not have curves in templates using the reduced equation of the circle, was created a template with curves and straight lines were also added in it. The template created served to create a database for entering the letters of the alphabet from A to Z, using user gestures. This base was used for training of a Naïve Bayes classifier, which identifies the probability of inserting a letter entered by the user based on the gestures. Three experiments were conducted to test the method developed. It was found that most users entered a letter using up to two interactions when inserted the five vowels and the five most frequent consonants. When inserting the five vowels and five consonants less frequent, users were also able to enter the letters with up to two interactions. Thus, there is evidence that the method to solve the problem which has been proposed as a solution. |
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Soares, Fabrízzio Alphonsus Alves de Melo Nuneshttp://lattes.cnpq.br/7206645857721831Soares, Fabrízzio Alphonsus Alves de Melo NunesSilva, Arquimedes Lopes daSoares , Anderson da Silvahttp://lattes.cnpq.br/2782156026516535Nascimento, Thamer Horbylon2016-03-04T11:20:16Z2015-10-13NASCIMENTO, T. H. Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque. 2015. 62 f. Dissertação (Mestrado em Ciência da Computação) - Universidade Federal de Goiás, Goiânia, 2015.http://repositorio.bc.ufg.br/tede/handle/tede/5296This paper proposes a method for gesture-based text input to be used in devices with touch screens. The steps required for this are: recognizing gestures, identify actions needed to enter letters and recognize letters with up to two interactions. To the recognition of gestures, we used the incremental recognition algorithm, which works so that it is not necessary to finish a gesture for this to be recognized, that is, works with continuous gesture recognition. Furthermore, a template is used as a reference for the recognition of gestures. The algorithm identifies the likelihood of the gesture being a running the template. As the incremental recognition algorithm did not have curves in templates using the reduced equation of the circle, was created a template with curves and straight lines were also added in it. The template created served to create a database for entering the letters of the alphabet from A to Z, using user gestures. This base was used for training of a Naïve Bayes classifier, which identifies the probability of inserting a letter entered by the user based on the gestures. Three experiments were conducted to test the method developed. It was found that most users entered a letter using up to two interactions when inserted the five vowels and the five most frequent consonants. When inserting the five vowels and five consonants less frequent, users were also able to enter the letters with up to two interactions. Thus, there is evidence that the method to solve the problem which has been proposed as a solution.Este trabalho propõe um método para entrada de texto baseado em gestos para ser usado em dispositivos com telas sensíveis ao toque. Os passos necessários para isso são: reconhecer gestos, identificar gestos necessários para inserir letras e reconhecer letras com até duas interações. Para fazer o reconhecimento dos gestos, foi utilizado o algoritmo de reconhecimento incremental, o qual trabalha de forma que não seja necessário terminar um gesto para que este seja reconhecido, ou seja, trabalha com reconhecimento contínuo de gestos. Além disso, um template é utilizado como referência para o reconhecimento dos gestos, assim, o algoritmo identifica a probabilidade de o gesto em execução ser um do template. Como o algoritmo de reconhecimento incremental não possuía curvas em seus templates, utilizando a equação reduzida da circunferência, foi criado um template com curvas e foram também adicionadas retas nele. O template criado serviu para a criação de uma base de dados para a inserção das letras do alfabeto de A a Z, utilizando gestos de usuários. Essa base foi utilizada para treinamento de um classificador Naïve Bayes, que identifica a probabilidade de inserção de uma letra baseado nos gestos inseridos pelo usuário. Foram realizados três experimentos para testar o método desenvolvido. Verificouse que a maioria dos usuários inseriu uma letra utilizando até duas interações, quando inseriram as cinco vogais e as cinco consoantes mais frequentes. Ao inserir as cinco vogais e cinco consoantes menos frequentes, os usuários também conseguiram inserir as letras com até duas interações. Assim, há evidências de que o método resolva o problema para qual foi proposto como solução.Submitted by Cláudia Bueno (claudiamoura18@gmail.com) on 2016-03-03T20:22:51Z No. of bitstreams: 2 Dissertação - Thamer Horbylon Nascimento - 2015.pdf: 3404276 bytes, checksum: 8b96b87a1ad94259e867e586b0cdde9b (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-03-04T11:20:16Z (GMT) No. of bitstreams: 2 Dissertação - Thamer Horbylon Nascimento - 2015.pdf: 3404276 bytes, checksum: 8b96b87a1ad94259e867e586b0cdde9b (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)Made available in DSpace on 2016-03-04T11:20:16Z (GMT). No. of bitstreams: 2 Dissertação - Thamer Horbylon Nascimento - 2015.pdf: 3404276 bytes, checksum: 8b96b87a1ad94259e867e586b0cdde9b (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Previous issue date: 2015-10-13Fundação de Amparo à Pesquisa do Estado de Goiás - FAPEGapplication/pdfporUniversidade Federal de GoiásPrograma de Pós-graduação em Ciência da Computação (INF)UFGBrasilInstituto de Informática - INF (RG)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessEntrada de textoTelas sensíveis ao toqueNaïve BayesInteração homem computadorText entryTouch screensNaïve BayesHuman computer interactionCIENCIAS EXATAS E DA TERRA::CIENCIA DA COMPUTACAOMétodo de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toqueText input method based gestures for devices with touch screensinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-3303550325223384799600600600600-77122667346336447683671711205811204509-961409807440757778reponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGORIGINALDissertação - Thamer Horbylon Nascimento - 2015.pdfDissertação - Thamer Horbylon Nascimento - 2015.pdfapplication/pdf3404276http://repositorio.bc.ufg.br/tede/bitstreams/751d4981-8faa-4b7c-bde8-6ba2409514e3/download8b96b87a1ad94259e867e586b0cdde9bMD55LICENSElicense.txtlicense.txttext/plain; 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dc.title.por.fl_str_mv |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
dc.title.alternative.eng.fl_str_mv |
Text input method based gestures for devices with touch screens |
title |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
spellingShingle |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque Nascimento, Thamer Horbylon Entrada de texto Telas sensíveis ao toque Naïve Bayes Interação homem computador Text entry Touch screens Naïve Bayes Human computer interaction CIENCIAS EXATAS E DA TERRA::CIENCIA DA COMPUTACAO |
title_short |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
title_full |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
title_fullStr |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
title_full_unstemmed |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
title_sort |
Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque |
author |
Nascimento, Thamer Horbylon |
author_facet |
Nascimento, Thamer Horbylon |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Soares, Fabrízzio Alphonsus Alves de Melo Nunes |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7206645857721831 |
dc.contributor.referee1.fl_str_mv |
Soares, Fabrízzio Alphonsus Alves de Melo Nunes |
dc.contributor.referee2.fl_str_mv |
Silva, Arquimedes Lopes da |
dc.contributor.referee3.fl_str_mv |
Soares , Anderson da Silva |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2782156026516535 |
dc.contributor.author.fl_str_mv |
Nascimento, Thamer Horbylon |
contributor_str_mv |
Soares, Fabrízzio Alphonsus Alves de Melo Nunes Soares, Fabrízzio Alphonsus Alves de Melo Nunes Silva, Arquimedes Lopes da Soares , Anderson da Silva |
dc.subject.por.fl_str_mv |
Entrada de texto Telas sensíveis ao toque Naïve Bayes Interação homem computador |
topic |
Entrada de texto Telas sensíveis ao toque Naïve Bayes Interação homem computador Text entry Touch screens Naïve Bayes Human computer interaction CIENCIAS EXATAS E DA TERRA::CIENCIA DA COMPUTACAO |
dc.subject.eng.fl_str_mv |
Text entry Touch screens Naïve Bayes Human computer interaction |
dc.subject.cnpq.fl_str_mv |
CIENCIAS EXATAS E DA TERRA::CIENCIA DA COMPUTACAO |
description |
This paper proposes a method for gesture-based text input to be used in devices with touch screens. The steps required for this are: recognizing gestures, identify actions needed to enter letters and recognize letters with up to two interactions. To the recognition of gestures, we used the incremental recognition algorithm, which works so that it is not necessary to finish a gesture for this to be recognized, that is, works with continuous gesture recognition. Furthermore, a template is used as a reference for the recognition of gestures. The algorithm identifies the likelihood of the gesture being a running the template. As the incremental recognition algorithm did not have curves in templates using the reduced equation of the circle, was created a template with curves and straight lines were also added in it. The template created served to create a database for entering the letters of the alphabet from A to Z, using user gestures. This base was used for training of a Naïve Bayes classifier, which identifies the probability of inserting a letter entered by the user based on the gestures. Three experiments were conducted to test the method developed. It was found that most users entered a letter using up to two interactions when inserted the five vowels and the five most frequent consonants. When inserting the five vowels and five consonants less frequent, users were also able to enter the letters with up to two interactions. Thus, there is evidence that the method to solve the problem which has been proposed as a solution. |
publishDate |
2015 |
dc.date.issued.fl_str_mv |
2015-10-13 |
dc.date.accessioned.fl_str_mv |
2016-03-04T11:20:16Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
NASCIMENTO, T. H. Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque. 2015. 62 f. Dissertação (Mestrado em Ciência da Computação) - Universidade Federal de Goiás, Goiânia, 2015. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/5296 |
identifier_str_mv |
NASCIMENTO, T. H. Método de entrada de texto baseada em gestos para dispositivos com telas sensíveis ao toque. 2015. 62 f. Dissertação (Mestrado em Ciência da Computação) - Universidade Federal de Goiás, Goiânia, 2015. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/5296 |
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por |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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openAccess |
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Universidade Federal de Goiás |
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UFG |
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Brasil |
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Instituto de Informática - INF (RG) |
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Universidade Federal de Goiás |
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