Methods for finger biometric processing and associated finger biometric sensors
First Claim
1. A method for finger biometric processing comprising:
- generating more than one pair of finger biometric enrollment data sets based upon successive placements of a user'"'"'s finger upon a finger biometric touch sensor;
generating a respective estimated physical transformation between each pair of finger biometric enrollment data sets;
generating a respective uncertainty for each estimated physical transformation; and
associating the respective estimated physical transformation and the respective uncertainty with each pair of finger biometric enrollment data sets to define a logical finger biometric enrollment graph.
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Abstract
A method is for processing a plurality of finger biometric enrollment data sets that accounts for uncertainty in alignment between finger biometric enrollment data sets. The method may include generating a respective estimated physical transformation between each pair of finger biometric enrollment data sets, and generating a respective uncertainty for each estimated physical transformation. The method may also include associating the respective estimated physical transformation and the uncertainty for each estimated physical transformation with each pair of finger biometric enrollment data sets to define a logical finger biometric enrollment graph. The logical finger biometric enrollment graph is readily used for subsequent accurate matching in either touch sensor applications or slide sensor applications.
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Citations
24 Claims
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1. A method for finger biometric processing comprising:
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generating more than one pair of finger biometric enrollment data sets based upon successive placements of a user'"'"'s finger upon a finger biometric touch sensor; generating a respective estimated physical transformation between each pair of finger biometric enrollment data sets; generating a respective uncertainty for each estimated physical transformation; and associating the respective estimated physical transformation and the respective uncertainty with each pair of finger biometric enrollment data sets to define a logical finger biometric enrollment graph. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for processing a plurality of finger biometric data sets comprising:
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generating more than one pair of finger biometric data sets based upon successive placements of a user'"'"'s finger upon an integrated circuit finger biometric sensor; generating a respective estimated physical transformation between each pair of finger biometric data sets; generating a respective uncertainty for each estimated physical transformation; and associating the respective estimated physical transformation and the respective uncertainty with each pair of finger biometric data sets to define a logical finger biometric graph. - View Dependent Claims (21, 22, 23, 24)
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Specification