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Edge contour tracking from a first edge point

  • US 5,943,441 A
  • Filed: 06/17/1998
  • Issued: 08/24/1999
  • Est. Priority Date: 12/06/1995
  • Status: Expired due to Term
First Claim
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1. A method for finding a boundary in an image of an object and a background, the method comprising;

  • progressively forming an edge contour by finding a contiguous sequence of sequentially neighboring interpolated maxima of a first difference taken across the edge contour, each first difference being taken by processing a set of pixels only one pixel wide, and shorter than both the length in pixels and width in pixels of the image.

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