Hiroyasu Kitazawa

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In this study, we focus on a technique that embeds an electronically readable watermark directly on printed materials. This technique is used in the single-dot pattern method proposed by Kaneda et al. In the existing method, we extend a media size to A4 and improve an extraction rate over 99%. In this paper, if we change the type of printer, we verified the(More)
We have succeeded in developing a quick and fully automated system that can generate photo-realistic 3D CG data based on a real object. A major factor in this success comes from our findings through psychophysical experiments that human observers do not have an accurate idea of what should be actually reflected as inter-reflections on the surface of an(More)
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