Trellis dirty paper watermarking is an implement of watermarking with side information, which has very good performances but the structure issue remains unclear, and how to choose a proper structure and reference pattern in terms of all the performance indexes is still a problem. Multiple user writing on dirty paper young-han kim stanford university stanford, ca 94305-9510, usa [email protected] arak sutivong qualcomm inc san diego, ca 92121-1714, usa. Digital watermarking: 8th international workshop, iwdw 2009, guildford, uk, august 24-26, 2009, proceedings (lecture notes in computer science) th the 8 international workshop on digital watermarking (iwdw 2009) was hosted by the university of surrey, guildford, surrey, uk, during august 24- 26.
Abstract: achieving robustness, imperceptibility and high capacity simultaneously is of great importance in digital watermarking this paper presents a new informed image watermarking scheme with high robustness and simplified complexity at an information rate of 1/64 bit/pixel. We're upgrading the acm dl, and would like your input please sign up to review new features, functionality and page designs. People doing informed digital watermarking use dirty paper codes, using this analogy: the cover work to be watermarked is analogous to the dirty paper the person adding the watermark already knows what the cover work looks like, analogous to the writer who knows where the dirt is on the paper. Strategy for embedding a watermark in the wavelet domain is perfectly known to the watermark encoder it is the dirty paper principal, which is described in the.
In this paper, we introduced a new method for calculating watermark capacity based on image complexity although a few researchers have studied image complexity independently, in this paper we proposed a new method for estimating image complexity based on the concept of region of interest (roi) and used it to calculate watermarking capacity. Watermarking as writing on dirty paper given in  based on this important article called writing on dirty paper (wdp), watermarking is modeled as a capacity game be. Extract a watermark vector v o by summing 8 x 8 blocks 2 find the highest correlation between v o and a set of reference orthogonal lattice dirty paper code. A three dimensional mould made watermark remains the foundation of paper banknote security across the world never wanting to be complacent when dealing with banknote security, we would highly recommend the use of more complex watermarking techniques.
Dirty paper trellis codes are a form of watermarking with side information these codes have the advantage of being invariant to valumetric scaling of the coverwork. Performance analysis of binned orthogonal/bi-orthogonal block code as dirty-paper code for digital watermarking ieee signal processing letters, 16 (3), 208-211 c yuen, y l guan, t t tjhung. Outline introduction writing on dirty paper system model & channel capacity achievable rate region encoding & decoding achievability proof example of dirty paper coding. Similarity between dirty paper channel and watermarking system • the first noise (dirty paper) s plays the role of the original signal. Dirty paper trellis codes  have been introduced as an alternative implementation of digital watermarking when it is modeled as communications with side information [9.
Dirty-paper trellis codes for watermarking by matt l miller, gwenaël j doërr, ingemar j cox - in ieee int conf on image processing , 2002 informed coding is the practice of representing watermark messages with patterns that are dependent on the cover works. Fast embedding technique for dirty paper trellis watermarking marc chaumont university of n mes,^ place gabriel peri, 30000 n mes,^ france university of montpellier ii, laboratory lirmm, umr cnrs. Abstract: dirty-paper coding makes an analogy to the problem of writing on dirty paper, where the reader cannot nominally distinguish dirt from ink there are many scenarios where this result may be applied in the field of information hiding (or watermarking), theoretical bounds as well as. Robust double-level watermarking of facial images based on spread spectrum and dirty paper free download abstract:in the paper, we have presented a robust double-level watermarking scheme for facial images. In telecommunications, dirty paper coding (dpc) is a good way to send digital data through a channel that is subject to some interference that is known to the sender the sender does precoding of the data so as to cancel the effect of the interference.
Constructing secure content-dependent watermarking scheme using homomorphic encryption zhi li , xinglei zhu , yong lian and qibin sun department of ece, national university of singapore. Digital watermarking and steganography second edition ingemar j cox matthew l miller jeffrey a bloom 62 broad approaches to dirty-paper code design 188. Proceedings volume 6505 security, steganography, and watermarking of multimedia contents ix trellis coded modulation to improve dirty paper trellis watermarking.
The robustness of a watermarking method is a measure of the ability of the watermark to survive legitimate and everyday usage of the content this chapter presents general methods for achieving high robustness along with specific methods for handling some of the most common types of processing. Dirty paper trellis codes are a form of watermarking with side information these codes have the advantage of being invariant to valumetric scaling of the cover work however, the original proposal requires a computational expensive second stage, informed embedding, to embed the chosen code into the cover work. Practical security analysis of dirty paper trellis watermarking 175 these measurements prove whether or not there is some information leakage that might be exploited to estimate the secret key. Digital watermarking and steganography, second edition ingemar j cox, matthew l miller, jeffrey a bloom, jessica fridrich, and ton kalker keeping found things found: the study and practice of personal information management.