×

Pattern recognition system

  • US 4,769,850 A
  • Filed: 10/10/1986
  • Issued: 09/06/1988
  • Est. Priority Date: 11/26/1985
  • Status: Expired due to Term
First Claim
Patent Images

1. A pattern recognition system for extracting circular or linear components separately from a complex image including circular and linear components, said system comprising:

  • means for calculating feature values including (a) a directional multiple circular window filter which extracts a feature value for a given position of the complex image, (b) means for scanning various positions of the complex image with said filter and (c) means for enhancing at least one selected directional component of feature values extracted with said filter; and

    means for detecting said circular or linear components based on said feature values calculated by said calculating means.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×