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System and method of handwriting recognition in diagrams

  • US 10,643,067 B2
  • Filed: 12/01/2015
  • Issued: 05/05/2020
  • Est. Priority Date: 10/19/2015
  • Status: Active Grant
First Claim
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1. A system for hand-drawing diagrams including text and non-text elements on a computing device, the computing device comprising a processor and at least one non-transitory computer readable medium for detecting and recognizing hand-drawing diagram element input under control of the processor, the at least one non-transitory computer readable medium configured to:

  • cause display of a plurality of input diagram elements in interactive digital ink on a display device associated with the computing device, wherein the diagram elements comprise one or more of a geometric shape, a container, a connector, or text;

    incrementally associate one or more of the diagram elements with one or more other of the diagram elements in accordance with a class and type of each diagram element;

    identify the class of each diagram element by classifying one or more strokes of the hand-drawn input as selected from a group consisting of text, non-text, and junk classifications for each of the one or more strokes; and

    incrementally cause re-display of the diagram elements, wherein a display characteristic of a diagram element is influenced based on one or more received interactions with the digital ink, the one or more incremental associations, and a position of the one or more interactions relative to the incrementally associated diagram elements.

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