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Projection type image display system, projector, program, information storage medium and image projection method

  • US 20040036813A1
  • Filed: 05/16/2003
  • Published: 02/26/2004
  • Est. Priority Date: 05/20/2002
  • Status: Active Grant
First Claim
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1. A projection type image display system comprising:

  • a sensing means for sensing a projection target area and outputting sensing information;

    a detection means for performing edge detection or color-distribution detection based on the sensing information and outputting detection information which indicates edge in a sensed image or color distribution in a sensed image;

    a projectable area determination means for determining a projectable area having no obstacle in the projection target area, based on the detection information;

    a projection area selection means for selecting a projection area from the projectable area, based on selection by a user or a predetermined criterion;

    an adjustment means for adjusting input image information such that an image is displayed on the projection area; and

    an image projection means for projecting an image onto the projection area based on the adjusted input image information.

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