Hisanori Masuda

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We describe our ongoing investigation of the PRESPE (Participatory Requirements Elicitation using Scenarios and Photo Essays) method. PRESPE enables participants to reflect upon their personal experiences when using systems and create photo-essays based on this reflection. The participants can then analyze these experiences by forming design concepts,(More)
In this paper we describe a graphical undo/redo tool, which visualizes user’s command history and evaluate it using a survey technique and empirically assess with respect to eye movements. Our tool is implemented as part of a drawing tool, what and how users look at are the essential information on evaluating its effectiveness. Therefore, we investigate(More)
As the Internet access over broadband networks is growing, multimedia communications with video using MPEG will be widely used. User level Quality of Service (QoS) will be needed at ubiquitous, multimedia and applied computing environment using MPEG that directly affects human's sense. We have conducted an experiment in order to investigate relation between(More)
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