K_068 A Visual and Haptic Multimodal Roughness Rendering with a Matrix of Regular Dots : Towards Digitalization of Psychological Haptic Attributes

概要

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It is very natural for us to interact with computers using multimodal interfaces, including haptic interface, as we do in real life. Haptics are considered a promising approach to human-computer interfaces, particularly because of their unique bi-directional nature. In this paper, we discuss physical and psychological haptic attributes, and digitalization of psychological haptic attributes in a virtual reality world. Then we present a visual and haptic multimodal haptic rendering of roughness, one of the most prominent perceptual attributes of texture, using a matrix of regular dots. With dots of radius 1 mm spaced 5 mm, 10 mm, or 15 mm apart, we find that participants perceive a surface as rougher when the distance between dots is smaller. With dots spaced 5 mm apart and of radius 0.5 mm, 1 mm, or 1.5 mm, we find that participants perceived a surface rougher when the dot radius is larger. Our findings can be used for haptic stimuli in future research and in applications, such as telemedicine.
FIT(電子情報通信学会・情報処理学会)推進委員会の論文
2006-08-21