45 search results - page 4 / 9 » Image Authentication Using Hierarchical Semi-Fragile Waterma... |
ICIP
2000
IEEE
14 years 6 months ago
2000
IEEE
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper, we present a novel reversible watermarking scheme for image authentication for JPEG/JPEG-2000 coded images. Since the watermarking scheme is reversible, the exact o...
ICIP
2002
IEEE
14 years 6 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...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
Publication
The wide use of digital media during the past few years, has led to an increase of digital piracy and tampering. To deal with these problems, the concept of watermarking has been i...