Is this projector is good for AR sandbox?

Home Forums AR Sandbox Forum Is this projector is good for AR sandbox?

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This topic contains 1 reply, has 2 voices, and was last updated by  Oliver Kreylos 5 months ago.

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  • #116169

    omcarfoundation
    Participant

    Hello
    I found this projector in Amazon, India. https://www.amazon.in/gp/product/B079HX1Q2Y/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A1GJCH5QFCQRMP
    Before ordering it, I need your valuable suggestions, whether it is suitable for AR sandbox or not!

    #116210

    Oliver Kreylos
    Keymaster

    This projector looks to be too short-throw for the AR Sandbox. It has a 0.6 throw ratio, meaning it would have to be approximately 0.6m above the sand to fill a box of size 1m x 0.75m. While that is possible in principle, it will lead to issues with non-uniform brightness, poor resolution on surfaces sloping away from the projector, and even self-shadowing of the sand surface.

    We recommend projectors with a throw ratio around 1.0, to match the field of view of the Kinect camera. If 1.0 is not available, it is better to use longer throw distances instead of shorter ones. Longer throws make the installation a little harder (projector has to be higher up), but will in general lead to better image quality.

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