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Image display apparatus, method and recording medium

  • US 20030080976A1
  • Filed: 10/24/2002
  • Published: 05/01/2003
  • Est. Priority Date: 10/26/2001
  • Status: Active Grant
First Claim
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1. An image display apparatus that displays a virtual image on a display screen according to a perspective of a user observing the display screen, the image display apparatus comprising:

  • an attitude sensor that outputs attitude measurements;

    a conversion unit adapted to convert the attitude measurements from the attitude sensor into a perspective expressed in terms of a global coordinate system;

    a calculation unit adapted to calculate the perspective based on the attitude measurements from said attitude sensor and a predetermined angle of direction previously stored in a memory;

    a display unit adapted to generate a virtual image using the perspective calculated by said calculation unit; and

    a correction unit adapted to correct the correction information based on the attitude measurements from said attitude sensor and the predetermined angle of direction when a predetermined instruction is input during display of said virtual image by the display unit.

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