“A projected hemispherical display with a gestural interface” by Marchese and Rose

  • ©Francis T. Marchese and Josh Rose

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Title:

    A projected hemispherical display with a gestural interface

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Abstract:


    We have recently built an inexpensive alternative to a volumetric display [Favalora 2005] based on video projector technology that supports omni-directional viewing (Figure 1). It can show mapped  spherical surfaces, such as globes, and scenes composed of three- dimensional objects. In the latter case, an algorithm was  developed to perform hidden surface elimination in the hemisphere’s reference frame. Participants can sit around the hemisphere, which is built into a low table. Sensors capture hand movements near the hemisphere. This allows for relaxed adjustment of the position, orientation and size of the objects that are projected from underneath onto the inside of the display. It is not necessary to touch the surface as in Grossman et al. [2004] or to use an intermediate device [Yasuhara et al. 2005].  

References:


    1. Favalora, G. E. 2005. Volumetric 3D displays and application infrastructure, IEEE Computer 38, 8, 37–44.
    2. Grossman, T., Wigdor, D., and Balakrishnan, R. 2004. Multi-finger gestural interaction with 3D volumetric displays. In Proceedings of UIST ’04, October 24-27, Santa Fe, New Mexico, 61–70.
    3. Yasuhara, Y., Sakamoto, N., Kukimoto, N., Ebara, Y., Koyamada, K. 2005. Interactive controller for 3D contents with omni-directional display, In Proceedings of ICPADS, 167–171.


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