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Method and apparatus for recognizing handwritten words

  • US 5,903,668 A
  • Filed: 06/23/1994
  • Issued: 05/11/1999
  • Est. Priority Date: 05/27/1992
  • Status: Expired due to Term
First Claim
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1. A method for recognizing handwritten entries on a display screen of a computer system, the computer system also having a processor and memory, the method comprising the steps of:

  • receiving a handwritten stroke written on the screen of said computer system, said stroke being received in a form that can be manipulated by said processor;

    determining a start point and a stop point of said stroke;

    normalizing said stroke with said processor by rotating said stroke about a stroke center until at least one of said start point or said stop point aligns with a predefined axis, thereby obtaining a normalized stroke;

    matching said normalized stroke against a template of character parts stored in memory to create one or more associated character part interpretations;

    using said processor to group said normalized stroke, if possible, with one or more normalized strokes that were matched in a like fashion to create a character part group; and

    using said processor to recognize a higher level object from said character part group utilizing the angles between the strokes of the character part group and using said character part interpretations.

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