963 search results - page 56 / 193 » Conditional Digital Signatures |
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-base...
ACISP
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. Digital signatures are often proven to be secure in the random oracle model while hash functions deviate more and more from this idealization. Liskov proposed to model a ...
CONEXT
2007
ACM
13 years 12 months ago
2007
ACM
Network intrusion detection systems typically detect worms by examining packet or flow logs for known signatures. Not only does this approach mean worms cannot be detected until ...
DPHOTO
2009
13 years 8 months ago
2009
Most digital cameras employ a spatial subsampling process, implemented as a color filter array (CFA), to capture color images. The choice of CFA patterns has a great impact on the...
ECCV
2006
Springer
15 years 2 days ago
2006
Springer
In low-light conditions, it is known that Poisson noise and quantization noise become dominant sources of noise. While intensity difference is usually measured by Euclidean distanc...