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COMPUTER FOR CALCULATING THE SIMILARITY BETWEEN PATTERNS AND PATTERN RECOGNITION SYSTEM COMPRISING THE SIMILARITY COMPUTER

  • US 3,816,722 A
  • Filed: 09/28/1971
  • Issued: 06/11/1974
  • Est. Priority Date: 09/29/1970
  • Status: Expired due to Term
First Claim
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1. A computer for calculating the similarity measure between two patterns, each represented by a sequence of feature vectors, based on the quantities representative of the similarity between the feature vectors of the respective sequences, wherein the improvement comprises means for calculating the normalized sum of said quantities, said means comprising means for calculating said quantities in a sequence such that a preceeding quantity is calculated between one of the feature vectors of one of said sequences and one of the feature vectors of the other sequence and the succeeding quantity is calculated between two feature vectors of said respective patterns at least one of which is the next succeeding feature vector from the one in said preceeding quantity and neither of which preceeds in sequence the respective feature vector used to calculate said preceeding quantity.

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