27 January 2010 Ergonomic evaluation of ubiquitous computing with monocular head-mounted display
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In this paper, the authors conducted an experiment to evaluate the UX in an actual outdoor environment, assuming the casual use of monocular HMD to view video content while short walking. In conducting the experiment, eight subjects were asked to view news videos on a monocular HMD while walking through a large shopping mall. Two types of monocular HMDs and a hand-held media player were used, and the psycho-physiological responses of the subjects were measured before, during, and after the experiment. The VSQ, SSQ and NASA-TLX were used to assess the subjective workloads and symptoms. The objective indexes were heart rate and stride and a video recording of the environment in front of the subject's face. The results revealed differences between the two types of monocular HMDs as well as between the monocular HMDs and other conditions. Differences between the types of monocular HMDs may have been due to screen vibration during walking, and it was considered as a major factor in the UX in terms of the workload. Future experiments to be conducted in other locations will have higher cognitive loads in order to study the performance and the situation awareness to actual and media environments.
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Takashi Kawai, Takashi Kawai, Jukka Häkkinen, Jukka Häkkinen, Takashi Yamazoe, Takashi Yamazoe, Hiroko Saito, Hiroko Saito, Shinsuke Kishi, Shinsuke Kishi, Hiroyuki Morikawa, Hiroyuki Morikawa, Terhi Mustonen, Terhi Mustonen, Jyrki Kaistinen, Jyrki Kaistinen, Göte Nyman, Göte Nyman, } "Ergonomic evaluation of ubiquitous computing with monocular head-mounted display", Proc. SPIE 7542, Multimedia on Mobile Devices 2010, 754202 (27 January 2010); doi: 10.1117/12.839173; https://doi.org/10.1117/12.839173


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