This paper proposes a theory of watermarking security based on a cryptanalysis point of
view. The main idea is that information about the secret key leaks from the observations, for …

Watermarking digital video material is usually considered as watermarking a sequence of
still images. However, such a frame-by-frame approach is very risky since straightforward …

This paper presents both theoretical and practical analyses of the security offered by
watermarking and data hiding methods based on spread spectrum. In this context, security is …

Watermarking security has emerged in the last years as as a new subject in the
watermarking area. As it brings new challenges to the design of watermarking systems, a …

It has recently been discovered that using pseudorandom sequences as carriers in spread-
spectrum techniques for data-hiding is not at all a sufficient condition for ensuring data …

This paper makes an account of the design and investigations done for the still image
watermarking technique used in the 2nd edition of the BOWS challenge. This technique is …

Security analysis is a very important issue for digital watermarking. Several years ago,
according to Kerckhoffs' principle, the famous four security levels, namely insecurity, key …

The use of syndrome coding in steganographic schemes tends to reduce distortion during
embedding. The more complete model comes from the wet papers (J. Fridrich et al., 2005) …

This paper presents two watermarking schemes that are secure when considering the
Watermarked content Only Attack (WOA) framework. The definition of watermark security is …

This paper presents a spread spectrum (SS) watermarking technique that is secure against
carriers estimation in a Watermark Only Attack framework. After reviewing the sufficient …