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System and method for curve recognition in a hand-drawn chart in ink input

  • US 7,394,936 B2
  • Filed: 03/23/2005
  • Issued: 07/01/2008
  • Est. Priority Date: 09/21/2004
  • Status: Active Grant
First Claim
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1. A computer system for recognizing a hand-drawn chart in ink input, comprising:

  • a curve recognizer for recognizing a hand-drawn chart from drawing strokes in ink input;

    a line recognizer operably coupled to the curve recognizer for recognizing a hand-drawn chart having a line segment;

    a normal distribution recognizer operably coupled to the curve recognizer for recognizing a hand-drawn chart having a normal distribution curve;

    an exponential curve recognizer operably coupled to the curve recognizer for recognizing a hand-drawn chart having an exponential curve; and

    a logarithmic curve recognizer operably coupled to the curve recognizer for recognizing a hand-drawn chart having a logarithmic curve.

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