×

Edge peak contour tracker

  • US 5,987,172 A
  • Filed: 12/06/1995
  • Issued: 11/16/1999
  • Est. Priority Date: 12/06/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for finding an edge contour in an image, the edge contour including a sequence of contour points, the method comprising the steps of:

  • determining the position of a current contour point by locating the peak of a first difference signal of a gray value signal using pixels of a pixel set extending across the edge contour;

    advancing to determine the position of a next contour point using the position of the current countour point; and

    returning to the step of determining the position of a current countour point, the next contour point becoming the current contour point.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×