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Position calculation apparatus, storage medium storing position calculation program, game apparatus, and storage medium storing game program

  • US 7,831,064 B2
  • Filed: 10/11/2006
  • Issued: 11/09/2010
  • Est. Priority Date: 03/23/2006
  • Status: Active Grant
First Claim
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1. A position calculation apparatus for calculating a positional relationship between at least one of first and second imaging targets, and an image pickup device for taking images of the first and second imaging targets, the position calculation apparatus comprising:

  • target image size obtaining programmed logic circuitry configured to obtain a first size, which indicates a size of a target image of the first imaging target in the image taken by the image pickup device, and a second size, which indicates a size of a target image of the second imaging target in the image taken by the image pickup device; and

    a positional relationship calculator configured to, based on the first and second sizes, calculate the positional relationship between the image pickup device and the at least one of the imaging targets.

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