Patents Represented by Attorney Louis J. F. Chau & Associates, LLP Percello

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  • System and method for distortion control in live-scan inkless fingerprint images
    Patent number: 6064753
    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.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: May 16, 2000
    Assignee: International Business Machines Corporation
    Inventors: Rudolf Maarten Bolle, Robert Steven Germain, Richard Lawrence Garwin, James Lewis Levine, Sharathchandra Umpathirao Pankanti, Nalini Kanta Ratha, Michael Alan Schappert