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Fast spatial segmenter for handwritten characters

  • US 5,001,765 A
  • Filed: 09/06/1990
  • Issued: 03/19/1991
  • Est. Priority Date: 01/05/1989
  • Status: Expired due to Fees
First Claim
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1. A segmentation processor for handwritten symbols, the processor being coupled to output signals of a writing stylus, tablet and data generation means which provide data indicating x-axis and y-axis displacements of points associated with a stroke of the stylus relative to a surface of the tablet;

  • the processor comprising;

    means for identifying maximum and minimum x-axis and y-axis coordinates of a set of points associated with the stroke of the stylus;

    means for determining the x-axis and y-axis coordinates of an area within which the identified maximum and minimum x-axis and y-axis coordinates associated with an individual stroke are contained, the area having a length along the y-axis and a width along the x-axis; and

    means for processing a first area associated with a first stroke and a second area associated with a second stroke to determine if the first stroke and the second stroke are physically or logically connected one to another and form all of or a portion of a discrete handwritten character or symbol.

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