“Touchable Holography” by Hoshi, Takahashi, Nakatsuma and Shinoda

  • ©Takayuki Hoshi, Masafumi Takahashi, Kei Nakatsuma, and Hiroyuki Shinoda

Title:


    Touchable Holography

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Entry Number: 22


Description:


    Mid-air displays which project floating images in free space have been seen in SF movies for several decades [Rakkolainen 2007]. Recently, they are attracting a lot of attention as promising technologies in the field of digital signage and home TV, and many types of holographic displays are proposed and developed. You can see a virtual object as if it is really hovering in front of you. But that amazing experience is broken down the moment you reach for it, because you feel no sensation on your hand.

    Our objective is adding tactile feedback to the hovering image in 3D free space. One of the biggest issues is how to provide tactile sensation. Although tactile sensation needs contact with objects by nature, the existence of a stimulator in the work space depresses the appearance of holographic images. Therefore some kind of remote- controllable tactile sensation is needed. That is achieved by our original tactile display [Iwamoto et al. 2008]. The following paper explains the technologies employed for a “Touchable Holography.”


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    References

    IWAMOTO, T., TATEZONO, M., HOSHI, T., AND SHINODA, H. 2008. Airborne ultrasound tactile display. In International Conference on Computer Graphics and Interactive Techniques ACM SIGGRAPH 2008 New Tech Demos.

    PROVISION, 2009. Holo. http://www.provision3dmedia.com/.

    RAKKOLAINEN, I. 2007. How feasible are star wars mid-air displays? In 11th International Conference Information Visualization, 935–942.


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