Estimating the Difficulty of Touchless Hand Gestures

Erazo, Orlando; Pino, José A.

doi:10.1109/tla.2014.6716487

Cited by 8 publications

(5 citation statements)

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“…4), we made a deliberate simplification (formula 15): to omit corners in the model (Cao and Zhai [13] made the same decision). Although these results confirm previous preliminary findings, which postulate that corners have influence on production time of hand gestures [4], we think further research is necessary to adequately model the impact of corners in hand gestures. …”

Section: Clc Modelsupporting

confidence: 85%

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Estimating Production Time of Touchless Hand Drawing Gestures

Erazo

Pino

Antunes

2015

Human-Computer Interaction – INTERACT 2015

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Section: Clc Modelsupporting

confidence: 85%

“…Although some quantitative models have already been proposed that include gestures [3,4], they do not support the estimation of production time. However, an extensive body of research in quantitative user models for pointer-and pen-based gestures has already been developed.…”

Section: Introductionmentioning

confidence: 99%

Estimating Production Time of Touchless Hand Drawing Gestures

Erazo

Pino

Antunes

2015

Human-Computer Interaction – INTERACT 2015

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“…Tal como outras interfaces mencionadas anteriormente, também a gestual tem sido implementada num largo campo de diferentes áreas e contextos de atuação [24] e [25], bem como em faixas etárias mais alargadas [26]. Torna-se ainda relevante perceber até que ponto poderá ser complicada a adaptação a tais tipos de interface baseadas em gestos 3D, sem contacto físico com essa mesma interface [27].…”

Section: Trabalho Relacionadounclassified

Interaction Paradigms Versus Age-Related User Profiles: an Evaluation on Content Selection

Carvalho¹,

Bessa²,

Magalhães³

et al. 2015

IEEE Latin Am. Trans.

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Novel input modalities such as touch, tangibles or gestures try to exploit human's innate skills rather than imposing new learning processes. However, despite the recent boom of different natural interaction paradigms, it hasn't been systematically evaluated how these interfaces influence a user's performance or whether each interface could be more or less appropriate when it comes to: 1) different age groups; and 2) different basic operations, as data selection, insertion or manipulation. This work presents the first step of an exploratory evaluation about whether or not the users' performance is indeed influenced by the different interfaces. The key point is to understand how different interaction paradigms affect specific target-audiences (children, adults and older adults) when dealing with a selection task. 60 participants took part in this study to assess how different interfaces may influence the interaction of specific groups of users with regard to their age. Four input modalities were used to perform a selection task and the methodology was based on usability testing (speed, accuracy and user preference). The study suggests a statistically significant difference between mean selection times for each group of users, and also raises new issues regarding the "old" mouse input versus the "new" input modalities.

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“…Há uma relação sem interação física ou mecânica de dispositivos periféricos, como o mouse, teclado, voz ou toque pela superfície da tela (touchscreen) [Placitelli and Gallo 2012]. É um processo interativo mais natural através de interfaces, que reconhecem gestos, expressões ou partes do corpo humano, como mãos, olhos, voz, pulsos elétricos emitidos pelo cérebro, músculos ou nervos, podendo ocorrer também a combinação de várias partes [Erazo and Pino 2014].…”

Section: Fundamentação Teórica E Metodológicaunclassified

Ambientes virtuais de aprendizagem em interfaces gestuais: potencialidades para pessoas com dispraxia

Sousa

Silveira

2015

Tek. rev. cient.

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Resumo: Este trabalho discute os potenciais que os Ambientes Virtuais de Aprendizagem podem trazer para Pessoas com Dispraxia ao serem acessados através de interfaces gestuais, que são meios de acesso mais intuitivos e naturais às suas realidades. As tecnologias touchless podem diminuir as dificuldades de aprendizagem, letramento, inclusão digital, educacional e social destes sujeitos. Recomenda-se a adaptação do Moodle para ser utilizado com o Leapmotion por dispráxicos, envolvendo estudos preliminares e a participação de profissionais e usuários finais. Como resultado desta fase de projeto, espera-se criar guidelines que norteiem como devem ser realizadas as adaptações na arquitetura do Moodle para mudar o módulo de interface e que, nas etapas seguintes, as mudanças sejam testadas por mais pessoas com TDC para análise de comportamento durante a interação e melhoria dessas diretrizes. Palavras-Chave Interfaces Gestuais; Ambientes Virtuais de Aprendizagem; Dispraxia; Transtorno do Desenvolvimento da Coordenação.Abstract: This work discusses the potential that the Virtual Learning Environments can to bring for people with Dyspraxia using gestural interfaces that are more intuitive and natural. The touchless technologies can reduce the difficulties of learning, literacy, the digital, educational and social inclusion of these users. We recommend the Moodle's adaptation for to be used with the Leapmotion by dyspraxics, involving preliminary studies and the participation of the professionals and final users. As a result of this project, we hope to create guidelines about how to do the adaptations in the Moodle's architectures and to change the interface module. And the other phase, we will test the changes in more people with TDC for behavior analysis during the interaction and improving these guidelines.

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Estimating the Difficulty of Touchless Hand Gestures

Cited by 8 publications

References 0 publications

Estimating Production Time of Touchless Hand Drawing Gestures

Estimating Production Time of Touchless Hand Drawing Gestures

Interaction Paradigms Versus Age-Related User Profiles: an Evaluation on Content Selection

Ambientes virtuais de aprendizagem em interfaces gestuais: potencialidades para pessoas com dispraxia

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