Hiromi Hirano

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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)
As enterprises exploit electronic devices to share documents/images, there is an increasing need from business and social domains for technologies which protect documents/images (especially those whose contents are sensitive e.g. business plans and private chat messages) from being illegally copied by screenshots and thereby comprising the privacy of 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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