• virtual volumetric graphics on commodity displays using 3d viewer tracking

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 914
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     three dimensional (3d) displays typically rely on stereo disparity, requiring specialized hardware to be worn or embedded in the display. we present a novel 3d graphics display system for volumetric scene visualization using only standard 2d display hardware and a pair of calibrated web cameras. our computer vision-based system requires no worn or other special hardware. rather than producing the depth illusion through disparity, we deliver a full volumetric 3d visualization—enabling users to interactively explore 3d scenes by varying their viewing position and angle according to the tracked 3d position of their face and eyes. we incorporate a novel wand-based calibration that allows the cameras to be placed at arbitrary positions and orientations relative to the display. the resulting system operates at real-time speeds (∼25 fps) with low latency (120–225 ms) delivering a compelling natural user interface and immersive experience for 3d viewing. in addition to objective evaluation of display stability and responsiveness, we report on user trials comparing users’ timings on a spatial orientation task.

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