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System and method for selective viewing of a hidden presentation within a displayed presentation

  • US 8,817,043 B2
  • Filed: 04/24/2009
  • Issued: 08/26/2014
  • Est. Priority Date: 04/24/2009
  • Status: Active Grant
First Claim
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1. A method of providing a composite presentation, the method comprising:

  • receiving a first presentation and a second presentation in a plurality of presentations, wherein each of the first presentation and the second presentation comprises one or more images that are human-perceptible;

    subtracting the first presentation from the second presentation on a pixel-by-pixel basis to obtain a difference presentation, wherein the difference presentation does not present any human-perceptible images; and

    displaying, via a processor, the first presentation and the difference presentation to reproduce the composite presentation, wherein the composite presentation is human-perceptible as the second presentation;

    wherein at least a first portion of the first presentation is selectively revealed to a viewer when viewing the composite presentation via a visual aid.

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