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CHI
2011
ACM
12 years 11 months ago
Security through a different kind of obscurity: evaluating distortion in graphical authentication schemes
While a large body of research on image-based authentication has focused on memorability, comparatively less attention has been paid to the new security challenges these schemes m...
Eiji Hayashi, Jason Hong, Nicolas Christin
ICBA
2004
Springer
148views Biometrics» more  ICBA 2004»
14 years 1 months ago
Feature-Level Fusion for Effective Palmprint Authentication
Abstract. A feature-level fusion approach is proposed for improving the efficiency of palmprint identification. Multiple Gabor filters are employed to extract the phase information...
Adams Wai-Kin Kong, David Zhang
ICIP
2005
IEEE
14 years 9 months ago
Shape contexts and Gabor features for face description and authentication
In this paper, we use a robust shape matching algorithm for stablishing correspondences between points from face images, and Gabor vectors (jets) for feature computation. After ex...
Daniel González-Jiménez, José...
AVBPA
2005
Springer
460views Biometrics» more  AVBPA 2005»
14 years 1 months ago
Fingerprint Quality Indices for Predicting Authentication Performance
The performance of an automatic fingerprint authentication system relies heavily on the quality of the captured fingerprint images. In this paper, two new quality indices for fi...
Yi Chen, Sarat C. Dass, Anil K. Jain
ICIP
2008
IEEE
14 years 9 months ago
Blind forensics of contrast enhancement in digital images
Digital images have seen increased use in applications where their authenticity is of prime importance. This proves to be problematic due to the widespread availability of digital...
Matthew Stamm, K. J. Ray Liu