×

Dynamic shadow removal from front projection displays

  • US 20030128337A1
  • Filed: 12/09/2002
  • Published: 07/10/2003
  • Est. Priority Date: 12/07/2001
  • Status: Active Grant
First Claim
Patent Images

1. A system for detecting a radiometric variation of a front-projected display region under observation by at least one camera at a first location, the system comprising:

  • the display comprising at least one image projected from each of a plurality of projectors; and

    at least one processing unit for (a) constructing a predicted image of the display region by the camera using framebuffer information from each of said projectors that has been geometrically transformed for the camera, and for which image intensity has been adjusted, and (b) comparing said predicted image with the display region under observation for the detecting.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×