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Feature extraction technique for use in a pattern recognition system

  • US 4,700,400 A
  • Filed: 10/10/1985
  • Issued: 10/13/1987
  • Est. Priority Date: 10/10/1985
  • Status: Expired due to Term
First Claim
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1. The method of creating an output feature vector array of height P and width Q representing an input pattern, comprising the steps of:

  • obtaining said input pattern in the form of an input array of height N and width M;

    forming an intermediate array having a height NP and width MQ;

    using the information contained in said input array to provide data for said intermediate array; and

    using the information contained in said intermediate array to provide data for said output feature vector array.

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