Living person 's biometric characteristic e.g. skin lines, detecting method, involves recording part of fingerprint pattern of finger, and detecting cyclic change of size of part of fingerprint patter
The method involves recording a part of a fingerprint pattern of a finger, and detecting a cyclic change in size of the part of the fingerprint pattern. A determination is made to find whether the finger is a part of a living person by evaluating the cyclic change of the size of the part of the fingerprint pattern. The cyclic change of the size of the part of the fingerprint pattern is detected by evaluating the images of the part of the pattern, where the images are recorded at different time points. An independent claim is also included for a device for detecting biometric characteristics.
DRAHANSKY MARTIN [CZ]; NOETZEL RALF [DE]; FUNK WOLFGANG [DE]
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