• Collecting fingerprints for recognition using mobile phone cameras 

      Yang, Bian; Li, Xue; Busch, Christoph (Journal article; Peer reviewed, 2012)
      We present in this paper a sample quality control approach for the case using a mobile phone’s camera as a fingerprint sensor for fingerprint recognition. Our approach directly estimates the maximum ridge frequency ...
    • Interoperable Protected Fingerprint Minutiae Templates 

      Li, Xue (Master thesis, 2012)
      With the increasing use of biometric enabled systems, a large amount of biometric systems, sensors, feature formats and matching algorithms have been developed and various template protection methods have been proposed ...