963 search results - page 72 / 193 » Conditional Digital Signatures |
VCIP
2003
13 years 11 months ago
2003
In this paper, we propose a novel authentication method for digital images that achieves fine authenticating granularity (e.g., block-level granularity). Its appealing flexibility ...
JDFP
2008
13 years 10 months ago
2008
Digital investigators have an increasing need to examine data network logs and traffic, either as part of criminal or civil investigations or when responding to information securi...
DAC
2004
ACM
14 years 11 months ago
2004
ACM
Digital watermarking is a process that embeds an imperceptible signature or watermark in a digital file containing audio, image, text or video data. The watermark is later used to...
ATAL
2007
Springer
14 years 4 months ago
2007
Springer
Conviviality is a mechanism to reinforce social cohesion and a tool to reduce mis-coordination between individuals, groups and institutions in web communities, for example in digit...
TSP
2008
13 years 10 months ago
2008
Designing matched transmit and receive filters such that their combination satisfies the Nyquist condition is a classical problem in digital communication systems. In this paper, ...