QoE assessment of olfactory media in remote ikebana with haptic media

In this paper, we handle a remote ikebana (i.e., flower arrangement) system with olfactory and haptic media. In the system, a teacher or a student can hold a flower, adjust the length of the held flower's stem with a pair of scissors, and impale the flower on a flower pinholder in a 3-D virtual space. We make QoE (Quality of Experience) assessment of olfactory media to investigate the influence of the output timing of olfactory media by changing the size of smell space (defined as a sphere in which we can perceive the smell of flower). In the assessment, each subject is asked to move a rose toward or away from his/her viewpoint, and he/she judges how good the output timing of olfactory media is. We illustrate that there exists the optimum value of the smell space size, and the optimum value depends on the average movement speed and the direction of movement.

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