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System, device, computer program product, and method for representing a plurality of electronic ink data points

  • US 6,741,749 B2
  • Filed: 01/24/2001
  • Issued: 05/25/2004
  • Est. Priority Date: 01/24/2001
  • Status: Active Grant
First Claim
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1. A method for representing a plurality of electronic ink data points, said method comprising:

  • capturing a plurality of electronic ink data points based upon a position of a writing stylus;

    determining a high-order derivative of the plurality of electronic ink data points, wherein the high-order derivative comprises a derivative of at least the second order;

    representing the high-order derivative of the plurality of electronic ink data points with respective tokens; and

    encoding the tokens representing the high-order derivative of the plurality of electronic ink data points in order to obtain a compressed representation of the electronic ink data points.

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