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Method and system for constrained pixel graytones interpolation for pattern rasterization

  • US 20060192789A1
  • Filed: 02/28/2005
  • Published: 08/31/2006
  • Est. Priority Date: 02/28/2005
  • Status: Active Grant
First Claim
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1. A rasterization method, comprising:

  • (a) calculating a first set of graytones for a set of pixels, the first set of graytones corresponding to a center of a pattern being located at a first grid position;

    (b) calculating a second set of graytones for the set of pixels, the second set of graytones corresponding to the center of the pattern being located at a second grid position; and

    (c) linearly interpolating with constraints, from the first and second set of graytones, a plurality of sets of graytones for the set of pixels, the plurality of sets of graytones corresponding to the pattern being shifted by a continuous shift-amount between the first grid position and the second grid position.

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