... of **Watermarking** Secu- rity which is more in line with the cryptographic ...zero-bit **watermarking** **schemes** based on normalized correlation by estimating the region of equivalent ...these **schemes** ...

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... the distortion point of view. This new method uses results of transportation theory: it consists in computing the optimal way to match the distribution of host contents to a distribu- tion of marked contents (given the ...

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... Digital **watermarking** was born. Since its inception, many **watermarking** techniques have appeared, in all pos- sible transformed ...in **watermarking** literature concerns the human visual system ...based ...

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... the **watermarking** **schemes**, the information leakage is not null, and as the ad- versary keeps on observing, the equivocation decreases down to 0 (discrete ...

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... 1. INTRODUCTION To build a copy protection system for consumer electronic devices, we are looking for a technique, which could embed in an original content a signal commonly called watermark. Compliant devices such as ...

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... zero-bit **watermarking**, a watermark, carrying no hidden message, is inserted in a piece of ...famous **watermarking** **schemes** are indeed solution to this ‘fundamental’ ...

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... domain **watermarking** **schemes** like those based on the discrete Fourier Transform (DFT) [Pun2006; Solachidis2001 ], the discrete cosine transform (DCT) [Hernandez2000; Chu2003 ] and the discrete wavelet ...

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... new **watermarking** **schemes** with a security oriented point of view, and then evaluating their robustness compared to state-of-the-art but unsecure tech- ...robust **watermarking** technique and to propose ...

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... 161, rue Ada, 34392 Montpellier cedex 05, France contact: marc.chaumont@lirmm.fr ABSTRACT The Hyper-Cube **watermarking** has shown a high potential for high-rate robust **watermarking**. In this paper, we carry on ...

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... Abstract. **Watermarking** techniques are used to help identifying copies of publicly released ...of **watermarking** **schemes** against arbitrary attackers, and the for- malization of those results in ...

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... Fig. 2. Data structure . where is the number of IMFs and denotes the final residual. The IMFs are nearly orthogonal to each other, and all have nearly zero means. The number of extrema is decreased when going from one ...

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... some **watermarking** **schemes** have bigger detection areas (for a given probability of false alarm) or more efficient embedders so that the watermarked feature vector f ...

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... 4.2. Discussion on detecting attacks In this section we discuss the performance of this scheme on detecting the modifications on the model. The modifications men- tioned in this section include adding noise, ...

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... bit-rate. This technique is robust against slight shift, moderate downscaling and re-compression. To keep the watermark artifacts invisible and to ensure the robustness, fidelity and robustness filters were used. In ...

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... If dim(X) ≥ 2, the main difference with the case of curves is the presence of obstructions : given X n they are – Obstruction to the extension of a vector bundle on X n−1 to a vector bundle on X n . – Obstruction to the ...

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... IRCCyN-IVC, Polytech’Nantes, rue Ch. Pauc, 44306, Nantes, FRANCE Abstract This work is motivated by the limitations of statistical quality met- rics to assess the quality of images distorted in distinct frequency range. ...

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... (i.e., **watermarking**) the model using those trivial points that would significantly degrade model accuracy, the stitching algorithm first (c) identifies specific data points by the decision frontier (both ...

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... 2. ENHANCED QUALITY METRIC The previously proposed CPA metric omitted the contrast mask- ing property of the HVS for simplicity. The contrast masking is an important feature when modeling HVS behavior, it ba- sically ...

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... Abstract The rational Chow ring A ∗ (S [n] , Q) of the Hilbert scheme S [n] parametrising the length n zero-dimensional subschemes of a toric surface S can be described with the help of equivariant techniques. In this ...

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... consider **watermarking** as stochastic optimization prob- lem and apply EC to such end (optimization of embedding ...of **watermarking** systems is that the objective functions are usually noisy ...a ...

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