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Light field display, adjusted pixel rendering method therefor, and vision correction system and method using same

  • US 10,642,355 B1
  • Filed: 09/12/2019
  • Issued: 05/05/2020
  • Est. Priority Date: 10/22/2018
  • Status: Active Grant
First Claim
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1. A computer-implemented method, automatically implemented by one or more digital processors, to automatically adjust user perception of an input image to be rendered on a digital display via a set of pixels thereof, wherein the digital display comprises an array of light field shaping elements (LFSEs), the method comprising:

  • digitally mapping the input image on an adjusted image plane designated to provide a user with a designated image perception adjustment;

    for each given pixel in the set of pixels, digitally;

    projecting an adjusted image ray trace through a closest LFSE center position between said given pixel and an adjusted image location on said adjusted image plane;

    associating an adjusted image colour designated for said given adjusted image location with said given pixel based on said mapping; and

    rendering for each said given pixel said adjusted image colour associated therewith, thereby rendering a perceptively adjusted version of the input image.

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