20 search results - page 4 / 4 » Fault-induced attack on semi-fragile image authentication sc... |
HIP
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, we propose a new class of Human Interactive Proofs (HIPs) that allow a human to distinguish one computer from another. Unlike traditional HIPs, where the computer is...
CVPR
2007
IEEE
13 years 11 months ago
2007
IEEE
Since biometric data cannot be easily replaced or revoked, it is important that biometric templates used in biometric applications should be constructed and stored in a secure way...
IEEEIAS
2009
IEEE
13 years 11 months ago
2009
IEEE
: This paper proposes a new watermarking method for detecting image tampering. First, an authentication number is created using a pair of watermark pixels as the coefficients of a ...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
The distribution of the wavelet coefficients in 2-D discrete wavelet transform (DWT) subspaces can be well described by a Gaussian mixture statistical model. In this paper, a secr...
CIVR
2010
Springer
13 years 9 months ago
2010
Springer
Graphical passwords have been demonstrated to be the possible alternatives to traditional alphanumeric passwords. However, they still tend to follow predictable patterns that are ...