The present paper is intended to present a robust multiplicative video watermarking scheme. In this regard, the video signal is segmented into 3-D blocks like cubes, and then, the 3-D wavelet transform is applied to each block. The low frequency components of the wavelet coefficients are then used for data embedding to make the process robust against both malicious and unintentional attacks. Th...

Digital watermarking is an emerging technique to protect data security and intellectual property right. Identification or verification of watermarking patterns can be achieved by detecting watermarks in received signals. However, one of the biggest challenges in watermarking detection is that the strengths of the watermark signals will change after being distorted by an attacker in a watermarki...

This paper investigates the multiplicative spread spectrum watermarking method for the image. The information bit is spreaded into middle-frequency Discrete Cosine Transform (DCT) coefficients of each block of an image using a generated pseudo-random sequence. Unlike the conventional signal modeling, we suppose that both signal and noise are distributed with Laplacian distribution, because the ...

Digital watermarks are imperceptible signals additively embedded in image, video or audio data. Ongoing research has largely concentrated on embedding watermarks in scalar data. Here we introduce a non-linear watermarking scheme for multi-variate data that deliberately perturbs an angle formed between associated variables. Our application embeds a spread-spectrum based watermark in the hue comp...

Digital video is becoming popular more than ever due to the widespread of video-based applications. However, a byproduct of such popularity is the worldwide unauthorized copying and distribution of digital video. Digital watermarking has been proposed in the last decade as a solution to prevent unlawful and malicious copying and distribution of digital media by embedding unnoticeable informatio...

The information is in present in form of digital media. Digital watermarking was acquainted to provide the copy right protection and owners’ authentication. A digital watermarking is secret information that is embedded inside an image. The digital watermarking for video an effective method to protect the video copyright. Digital video watermarking is the process embedding digital information in...

Information transmission and steganography p. 15 On the existence of perfect stegosystems p. 30 Towards multi-class blind steganalyzer for JPEG images p. 39 An efficient fingerprinting scheme with symmetric and commutative encryption p. 54 Collusion secure convolutional spread spectrum fingerprinting p. 67 Performance study on multimedia fingerprinting employing traceability codes p. 84 Regular...

This paper presents the infectious watermarking model (IWM) for the protection of video contents that are based on biological virus modeling by the infectious route and procedure. Our infectious watermarking is designed as a new paradigm protection for video contents, regarding the hidden watermark for video protection as an infectious virus, video content as host, and codec as contagion medium...

In this work we propose the application of a hierarchical prior for the multiplicative image watermarking problem. More specific, we propose new watermark detectors by modeling transform coefficients with the proposed prior. We also investigate the detector’s performance compared with known state of the art methods. Additionally, we demonstrate the robustness of the proposed detectors against w...

Watermarking has become a technology of choice for a broad range of multimedia copyright protection applications. Watermarks have also been used to embed formatindependent metadata in audio/video signals, in a way that is robust to common editing. In this paper, we present several novel mechanisms for effective encoding and detection of directsequence spread-spectrum watermarks in audio signals...