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Watermarking is one of the most important copyright protection tools for digital media. The most challenging type of watermarking is the imperceptible one, which embeds identifying information in the data while retaining the latter's…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Natan Semyonov , Rami Puzis , Asaf Shabtai , Gilad Katz

The frequent exchange of multimedia information in the present era projects an increasing demand for copyright protection. In this work, we propose a novel audio zero-watermarking technology based on graph Fourier transform for enhancing…

Multimedia · Computer Science 2021-09-17 Longting Xu , Daiyu Huang , Syed Faham Ali Zaidi , Abdul Rauf , Rohan Kumar Das

Digital watermarking has been widely used to protect the copyright and integrity of multimedia data. Previous studies mainly focus on designing watermarking techniques that are robust to attacks of destroying the embedded watermarks.…

Cryptography and Security · Computer Science 2022-04-20 Ruowei Wang , Chenguo Lin , Qijun Zhao , Feiyu Zhu

Digital water marking is one of the essential fields in image security and copyright protection. The proposed technique in this paper was based on the principle of protecting images by hide an invisible watermark in the image. The technique…

Computer Vision and Pattern Recognition · Computer Science 2013-07-05 Firas A. Jassim

Federated graph learning (FedGL) is an emerging learning paradigm to collaboratively train graph data from various clients. However, during the development and deployment of FedGL models, they are susceptible to illegal copying and model…

Cryptography and Security · Computer Science 2024-10-24 Yuxin Yang , Qiang Li , Yuan Hong , Binghui Wang

Digital watermarking is extensively used in ownership authentication and copyright protection. In this paper, we propose an efficient thresholding scheme to improve the watermark embedding procedure in an image. For the proposed algorithm,…

Embedding watermarks into the output of generative models is essential for establishing copyright and verifiable ownership over the generated content. Emerging diffusion model watermarking methods either embed watermarks in the frequency…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Yunzhuo Chen , Jordan Vice , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Watermarking embeds imperceptible patterns into images for authenticity verification. However, existing methods often lack robustness against various transformations primarily including distortions, image regeneration, and adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Inzamamul Alam , Md Tanvir Islam , Khan Muhammad , Simon S. Woo

In fragile watermarking, a sensitive watermark is embedded in an object in a manner such that the watermark breaks upon tampering. This fragile process can be used to ensure the integrity and source of watermarked objects. While fragile…

Cryptography and Security · Computer Science 2024-10-01 Preston K. Robinette , Dung T. Nguyen , Samuel Sasaki , Taylor T. Johnson

Watermarking is a crucial tool for safeguarding copyrights and can serve as a more aesthetically pleasing alternative to QR codes. In recent years, watermarking methods based on deep learning have proved superior robustness against complex…

Multimedia · Computer Science 2023-08-24 Zhe Lei , Jie Zhang , Jingtao Li , Weiming Zhang , Nenghai Yu

Reversible visible watermarking (RVW) is an active copyright protection mechanism. It not only transparently superimposes copyright patterns on specific positions of digital images or video frames to declare the copyright ownership…

Multimedia · Computer Science 2022-01-12 Wenfa Qi , Sirui Guo , Wei Hu

Recent years have witnessed the prosperous development of Graph Self-supervised Learning (GSSL), which enables to pre-train transferable foundation graph encoders. However, the easy-to-plug-in nature of such encoders makes them vulnerable…

Cryptography and Security · Computer Science 2024-12-10 Xiangyu Zhao , Hanzhou Wu , Xinpeng Zhang

Deepfake technology poses increasing risks such as privacy invasion and identity theft. To address these threats, we propose WaveGuard, a proactive watermarking framework that enhances robustness and imperceptibility via frequency-domain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Ziyuan He , Zhiqing Guo , Liejun Wang , Gaobo Yang , Yunfeng Diao , Dan Ma

In a software watermarking environment, several graph theoretic watermark methods use numbers as watermark values, where some of these methods encode the watermark numbers as graph structures. In this paper we extended the class of error…

Data Structures and Algorithms · Computer Science 2011-10-07 Maria Chroni , Stavros D. Nikolopoulos

The current work is focusing on the implementation of a robust watermarking algorithm for digital images, which is based on an innovative spread spectrum analysis algorithm for watermark embedding and on a content-based image retrieval…

Data Structures and Algorithms · Computer Science 2009-09-29 Dimitrios K. Tsolis , Spyros Sioutas , Theodore S. Papatheodorou

In this paper a new approach to image watermarking in wavelet domain is presented. The idea is to hide the watermark data in blocks of the block segmented image. Two schemes are presented based on this idea by embedding the watermark data…

Information Theory · Computer Science 2010-01-05 Hamed Dehghan , S. Ebrahim Safavi

This paper presents a new approach for embedding authentication information into image on printed materials based on optical projection technique. Our experimental setup consists of two parts, one is a common camera, and the other is a LCD…

Multimedia · Computer Science 2013-02-21 Tan Yi-zhou , Liu Hai-bo , Huang Shui-hua , Sheng Ben-jian , Pan Zhong-ming

Determining whether two graphs are structurally identical is a fundamental problem with applications spanning mathematics, computer science, chemistry, and network science. Despite decades of study, graph isomorphism remains a challenging…

Computational Physics · Physics 2026-04-10 Sara Najem , Amer E. Mouawad

In this paper we present a novel deep framework for a watermarking - a technique of embedding a transparent message into an image in a way that allows retrieving the message from a (perturbed) copy, so that copyright infringement can be…

Multimedia · Computer Science 2020-06-09 Marcin Plata , Piotr Syga

The rapid development of multimedia and internet allows for wide distribution of digital media data. It becomes much easier to edit, modify and duplicate digital information besides that, digital documents are also easy to copy and…

Multimedia · Computer Science 2010-03-23 Mahmoud Elnajjar , A. A Zaidan , B. B Zaidan , Mohamed Elhadi M. Sharif , Hamdan. O. Alanazi