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Method of recognizing produce items using checkout frequency

  • US 6,409,085 B1
  • Filed: 08/16/2000
  • Issued: 06/25/2002
  • Est. Priority Date: 08/16/2000
  • Status: Expired due to Term
First Claim
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1. A method of identifying a produce item comprising the steps of:

  • (a) collecting produce data from the produce item;

    (b) determining DML values between the produce data and reference produce data for a plurality of types of produce items;

    (c) determining conditional probability densities for all of the types of produce items using the DML values;

    (d) combining the conditional probability densities together to form a combined conditional probability density;

    (e) determining checkout frequencies for the produce types;

    (f) determining probabilities for the types of produce items from the combined conditional probability density and the checkout frequencies;

    (f) determining a number of candidate identifications from the probabilities; and

    (g) identifying the produce item from the number candidate identifications.

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