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Biometric matching engine

  • US 9,330,142 B2
  • Filed: 09/05/2014
  • Issued: 05/03/2016
  • Est. Priority Date: 10/03/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a processing device, a first input biometric sample and a second input biometric sample to be matched with a record of a plurality of records;

    determining, by the processing device, a first characteristic associated with the first input biometric sample and a second characteristic associated with the second input biometric sample;

    grouping, by the processing device, the plurality of records to form a first set of records and a second set of records based on comparing a parameter relating to at least one reference biometric sample, associated with each record of the plurality of records, with at least one threshold,the parameter comprising a quality measurement parameter associated with the at least one reference biometric sample associated with each record of the plurality of records,the grouping the plurality of records being after and based on receiving the first input biometric sample and the second input biometric sample, andthe grouping being based on the first characteristic and the second characteristic;

    performing, by the processing device and on the first set of records, a first matching process based on a first threshold;

    performing, by the processing device and on the second set of records, a second matching process based on a second threshold; and

    identifying, by the processing device, the record that matches the first input biometric sample and the second input biometric sample based on a result of the first matching process and a result of the second matching process.

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