“Restive Shadow: Animating Invisible Shadows for Expanding Shadowgraph Experience” – ACM SIGGRAPH HISTORY ARCHIVES

“Restive Shadow: Animating Invisible Shadows for Expanding Shadowgraph Experience”

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Title:


    Restive Shadow: Animating Invisible Shadows for Expanding Shadowgraph Experience

Description:


    This paper proposes a multiplexing invisible shadow system named “Restive Shadow.” The proposed system uses infrared lights, each of which radiates a certain wavelength of infrared light, and an object to which two different types of IR filters are attached. Directing the light toward the object causes the object’s shadow to appear; the shape of the object then appears to change according to the wavelength of the radiated infrared light. With this system, a user is expected to attain a different viewpoint on shadows.

References:


    [1]
    Chikamori, M., and Kunoh, K. Kage. http://www.plaplax.com/legacy/artwork/minim++/artwork/kage.htm.

    [2]
    Minomo, Y., Kakehi, Y., Iida, M., and Naemura, T. 2006. Transforming your shadow into colorful visual media: Multiprojection of complementary colors. ACM Computers in Entertainment 4, 3.

    [3]
    Sakaguchi, S., Tanaka, T., Shinoki, R., and Matsushita, M., 2012. Shadow++: A system for generating artificial shadows based on object movement. ACM SIGGRAPH 2012, Posters, Article 119, August.


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