A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/117 (2006.01) G06F 17/40 (2006.01) G06K 9/62 (2006.01)
Patent
CA 2340501
This invention defines novel biometrics, called resultant biometrics. These resultant biometrics are a combination of traditional biometrics and some controlled change to the traditional biometric. That is, they are sequences of biometric signals over a short interval of time where the signals are modified according to some pattern. Resultant finger- or palm prints, for example, are consecutive print images where the subject exerts force, torque and/or rolling (controlled change) over an image acquisition interval of time. The physical way the subject distorts the images is the behavioral part of the resultant biometrics, the finger or palm print is the physiological part of the resultant biometric. An undistorted print image in combination with an expression of the distortion trajectory which can be computed from the sequence of distorted print images, forms a more compact representation of the resultant fingerprint. A template representing the resultant print biometrics is derived from the traditional template representing the finger- or palm print plus a template representing the trajectory. Other traditional biometrics also lend themselves to temporal modification and are described in the invention.
Bolle Rudolf M.
Dorai Chitra
Ratha Nalini K.
International Business Machines Corporation
Rosen Arnold
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