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Image generation with interpolation of pixels on a grid to pixels on a scan trajectory

  • US 8,274,522 B2
  • Filed: 12/01/2010
  • Issued: 09/25/2012
  • Est. Priority Date: 05/19/2003
  • Status: Expired due to Term
First Claim
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1. An image generation apparatus comprising:

  • a frame buffer to hold a plurality of rows of pixel data corresponding to a grid of pixels;

    a row buffer coupled to the frame buffer to receive a current row of the plurality of rows of pixel data;

    a horizontal scan position determination component to periodically determine a horizontal scan position of a scan trajectory that does not intersect every pixel on the grid, wherein the horizontal scan position determination component is operable to determine the horizontal scan position as a sine of an increasing angle plus a phase offset that is a function of color and vertical scan position; and

    an interpolation component coupled to receive pixel data from the row buffer and operable to interpolate between pixel data on either side of the horizontal scan position in the current row to create new display pixel values that do not fall on the grid.

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