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Knowledge-forming apparatus and parameter-retrieving method as well as program product

  • US 20060161391A1
  • Filed: 10/11/2005
  • Published: 07/20/2006
  • Est. Priority Date: 10/08/2004
  • Status: Abandoned Application
First Claim
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1. A knowledge forming apparatus, which is used in an inspecting and diagnosing apparatus for determining whether an object to be inspected is normal or abnormal and finds discrimination knowledge suitable for the object based upon feature-amount data obtained by carrying out a feature-amount extracting process on measured data acquired, comprising:

  • a retrieving unit that retrieves a plurality of parameter sets used for calculating feature amounts;

    a feature-amount operation unit that calculates a plurality of feature amounts based upon respective parameter sets that have been retrieved by the retrieving unit, in association with learning data containing given normal data and abnormal data;

    a primary evaluation unit that outputs an effectiveness of respective parameter sets as an evaluated value based upon results of an operation of the feature amounts calculated by the feature-amount operation unit;

    an optimal solution candidate output unit that, based upon results of a primary evaluation found by the primary evaluation unit, outputs a plurality of parameter sets having a high primary evaluated value as a plurality of optimal solution candidates;

    a discrimination knowledge forming unit that forms a plurality of discrimination knowledge based upon the optimal solution candidates output from the optimal solution candidate output unit;

    a secondary evaluation unit that evaluates respective discrimination knowledge that have been formed in the discrimination knowledge forming unit; and

    an optimal solution output unit that, based upon the results of the secondary evaluation, outputs a discrimination knowledge having a high evaluated value as an optimal solution.

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