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Image recording apparatus and method using light fields to track position and orientation

  • US 6,342,917 B1
  • Filed: 01/16/1998
  • Issued: 01/29/2002
  • Est. Priority Date: 01/16/1998
  • Status: Expired due to Term
First Claim
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1. An image recording apparatus comprising:

  • an image pickup device that acquires images of the surrounding environment, the images being a sequence of frames;

    a frame storage that stores the sequence of frames acquired by the image pickup device; and

    a processor that determines a position and an orientation of the image pickup device based on the sequence of frames, wherein the frames comprise a plurality of lines and the processor determines the position of the image pickup device by correlating a radiance along at least one of the plurality of lines in a current frame with the radiance along corresponding ones of the plurality of lines of at least one previous'"'"'frame in the sequence of frames.

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