System and method for distortion control in live-scan inkless fi

Image analysis – Applications – Personnel identification

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Details

382126, 382127, 34082534, 356 71, G06K 900

Patent

active

060647531

ABSTRACT:
A computer system and method determines the force and/or torque applied during the image acquisition stage of a biometric characteristic. Images with very high or very low pressure or high shear torque are rejected and user/operator is notified to re-acquire the image. Alternatively, the application of force and torque by the subject is restricted mechanically so that the images are acquired while the force and/or torque are within acceptable ranges.

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Nalini K. Ratha, Shaoyun Chen and Anil K. Jain, "Adaptive Flow Orientation-Based Feature Extraction in Fingerprint Images," Pergamon, Pattern Recognition, vol. 28, No. 11, pp. 1657-1672, 1995.

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