limitations on steganography
Using Kolmogorov complexity for understanding some limitations on steganography FREE-DOWNLOADB Ryabko… – Information Theory, 2009. The goal of steganography can be described as follows. Alice and Bob can exchange messages of a certain kind (called covertexts) over a public channel. The covertexts can be, for example, a sequence of photographic images, videos, text emails, and so on. […]
Steganography in Audio
FREE-DOWNLOAD N Jenkins… – University of Cambridge CST Part II …, 2009 Throughout history, people have needed to communicate covertly. There are many cir- cumstances when concealing the meaning of a message through classic cryptography is not enough—the very existence of the correspondence must be made undetectable. Even in the UK, under
Steganography using Gibbs random fields
FREE-DOWNLOAD T Filler… – Proceedings of the 12th ACM workshop on …, 2010 Many steganographic algorithms for empirical covers are de- signed to minimize embedding distortion. In this work, we provide a general framework and practical methods for em- bedding with an arbitrary distortion function that does not have to be additive over pixels and […]