Biometrics - Patents


  • US 6597802 System and method for generating a rolled surface representation from a set of partial images
  • US 7822238 Method, system, and program product for transforming a biometric image
  • US 7508960 Projection of light patterns for liveness verification of biometrics
  • US 7130452 System and method for multi-party validation, authentication and/or authorization via biometrics
  • US 7054470 System and method for distortion characterization in fingerprint and palm-print image sequences and using this distortion as a behavioral biometrics
  • US 6941001 To a combined fingerprint acquisition and control device
  • US 6892193 Method and apparatus for inducing classifiers for multimedia based on unified representation of features reflecting disparate modalities
  • US 6851051 System and method for liveness authentication using an augmented challenge/response scheme
  • US 6836554 System and method for distorting a biometric for transactions with enhanced security and privacy
  • US 6819219 Method for biometric-based authentication in wireless communication for access control
  • US 6487306 System and method for deriving a string-based representation of a fingerprint image
  • US 6466686 System and method for transforming fingerprints to improve recognition
  • US 6301368 System and method for data hiding in compressed fingerprint images
  • US 6289112 System and method for determining block direction in fingerprint images
  • US 6266433 System and method for determining ridge counts in fingerprint image processing
  • US 6263091 System and method for identifying foreground and background portions of digitized images
  • US 6185318 System and method for matching (fingerprint) images an aligned string-based representation
  • US 6118890 System and method for broad classification of biometric patterns
  • US 6111978 System and method for determining ridge counts in fingerprint image processing
  • US 6072895 System and method using minutiae pruning for fingerprint image processing
  • US 6064753 System and method for distortion control in live-scan inkless fingerprint images
  • US 6049621 Determining a point correspondence between two points in two respective (fingerprint) images
  • US 6005963 System and method for determining if a fingerprint image contains an image portion representing a partial fingerprint impression
  • US 5995640 System and method for determining if a fingerprint image contains an image portion representing a dry fingerprint impression
  • US 5963656 System and method for determining the quality of fingerprint images
  • US 5883971 System and method for determining if a fingerprint image contains an image portion representing a smudged fingerprint impression
  • US 7120607 Business system and method using a distorted biometrics (Lenovo)
  • US 7072523 System and method for fingerprint image enhancement using partitioned least-squared filters (Lenovo)