×

Contour extraction apparatus

  • US 5,881,170 A
  • Filed: 03/22/1996
  • Issued: 03/09/1999
  • Est. Priority Date: 03/24/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A contour extraction apparatus comprising:

  • an image storing section for storing an image;

    a contour model storing section for storing a contour model in the form of an ordered set of directed line segments that encloses at least one object contained in said image, each line segment being an ordered set of two points;

    a contour model transforming section for transforming said contour model according to a prescribed rule;

    a contour model intersection detecting section for detecting a contact or intersection of line segments in the transformed contour model by determining a point of intersection lying on two of the directed line segments free of following the edge of the contour model; and

    a contour model dividing section for dividing said contour model into a plurality of contour models on the basis of the contact or intersection thus detected.

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