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Inverse Projection Problem

  1. Apr 28, 2008 #1
    Image a kite (1 m wide, 3 m high, both crossing at a third of the height).
    Also imagine a digital camera (800x600 pixel with a horizontal field of view of 45°).

    After launching the kite a photo is taken with the camera.

    How can I easily calculate the exact position *and* rotation of the kite in a vectorspace defined by the camera at the moment the picture was taken?
    I tried with trigonometry but failed. I assume there is an easier way with matrices but i don't know how. I appreciate any help.

    *velcrome
     
  2. jcsd
  3. Apr 28, 2008 #2

    HallsofIvy

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    ??Given what information?
     
  4. Apr 28, 2008 #3
    there are four corners of the kite with precise pixel values in the picture.

    and of course, the dimensions of the kite and the specifications of the camera is known.
     
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