Hiromi Hirano

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Motivated by reasons related to data security and privacy, we propose a method to limit meaningful visual contents of a display from being captured by screenshots. Traditional methods take a system architectural approach to protect against screenshots. We depart from this framework, and instead exploit image processing techniques to distort visual data of a(More)
Recently, online shopping continues to thrive in modern societies, especially via tablets and smartphones; however, in current online shopping environments, there is insufficient support for shopping with several people, which is often what shoppers do together in the nonvirtual world. In this paper, we propose a novel system that provides a new online(More)
In order to facilitate assists in surgical procedure, it is important for scrub nurses to understand the operation procedure and to share the operation status with attending surgeons. The potential utility of head-mounted display as a new imaging monitor has been proposed in the medical field. This study prospectively evaluated the usefulness of(More)
Through tight collaboration with teachers of Japanese, an online accent dictionary and a reading tutor are developed to support teaching and learning of Japanese prosody. In this development, techniques of natural language processing and spoken language processing are effectively applied. What makes teaching and learning of Japanese accent difficult is the(More)
Let's assume that we are now watching the scene of Fig. 1-a, where a red racing car is running from left to right. At the same time, we feel like watching another scene like Fig. 1-b, where a similar car is running toward us. To find such a desired scene, we usually push the forward and rewind buttons or move the play bar. If we cannot find the scene in the(More)
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