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Method and system for separating text and drawings in digital ink

  • US 7,298,903 B2
  • Filed: 06/28/2001
  • Issued: 11/20/2007
  • Est. Priority Date: 06/28/2001
  • Status: Expired due to Fees
First Claim
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1. A computer readable medium having computer-executable instructions, comprising,accessing a plurality of stroke samples, the stroke samples representing more than one class, wherein at least on class represented is a text class and at least one class represented is a drawing class;

  • extracting curvature features of each of the strokes for each class; and

    using the curvature features, training a support vector machine to classify strokes for each class, wherein the curvature features of a stroke comprise a discrete curvature stroke, the discrete curvature being defined using a difference between angles determined in accordance with points along the stroke.

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