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Integrated real and virtual environment display system

  • US 5,394,517 A
  • Filed: 10/14/1992
  • Issued: 02/28/1995
  • Est. Priority Date: 10/12/1991
  • Status: Expired due to Fees
First Claim
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1. A display system for presenting a composite image to a user'"'"'s eyes, said image comprised of a real portion provided by a video camera means and a complementary computer-generated synthetic portion said system including stored reference data indicative of the real portion and the synthetic portion, said user having a field of view in a direction, the system comprising:

  • visual display means for presenting the composite image;

    direction sensor means for producing a direction signal indicative of the direction of the user'"'"'s field of view;

    video camera means for producing a sequence of video signals which in combination are representative of a field of view thereof;

    camera mounting means for mounting said video camera means such that the field of view of the video camera means is substantially coincident with and follows movement of the field of view of the user;

    image generating means responsive to said direction signal for producing synthetic signals representing a computer-generated portion of the composite image; and

    ,image selecting and combining means, responsive to said video camera means, to said image generating means and to said direction sensor means and providing an output to said visual display means, for analyzing each of said video signals and determining, by comparison with said stored reference data, whether each video signal is indicative of an area of the field of view of the video camera means which said computer-generated portion is to occupy and for correspondingly selecting one of said video signals and said synthetic signals, and for combining said video and synthetic signals to form a composite video signal representing the composite image and for applying said composite video to said visual display means for presentation of the composite image.

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