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Biometric information processing apparatus, biometric information processing method, and biometric information processing computer program

  • US 8,649,570 B2
  • Filed: 04/04/2012
  • Issued: 02/11/2014
  • Est. Priority Date: 10/05/2009
  • Status: Active Grant
First Claim
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1. A biometric information processing apparatus comprising:

  • a biometric information acquiring unit which acquires biometric input data representing a user'"'"'s biometric information; and

    a processing unit, wherein the processing unit implements;

    a feature quantity extracting function which extracts a feature quantity characterizing a feature of the biometric information from the biometric input information represented by the biometric input data;

    a classifying function which classifies, based on the feature quantity, the biometric input information represented by the biometric input data into at least one of a plurality of classes categorized according to common features of biometric information, and which computes a confidence level for each class into which the biometric input information has been classified;

    a classification result judging function which judges whether or not a maximum value of the confidence level is larger than a threshold value predefined for the class corresponding to the maximum value among the plurality of classes; and

    a guidance function which, if the maximum value is not larger than the threshold value, prompts the user to have the user'"'"'s biometric information reacquired by the biometric information acquiring unit.

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