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In this work, we address the liability issues that may arise due to unauthorized sharing of personal data. We consider a scenario in which an individual shares his sequential data (such as genomic data or location patterns) with several…

Cryptography and Security · Computer Science 2017-08-21 Arif Yilmaz , Erman Ayday

We study how to secure distributed filters for linear time-invariant systems with bounded noise under false-data injection attacks. A malicious attacker is able to arbitrarily manipulate the observations for a time-varying and unknown…

Systems and Control · Electrical Eng. & Systems 2021-06-23 Xingkang He , Xiaoqiang Ren , Henrik Sandberg , Karl H. Johansson

With the growth of editing and sharing images through the internet, the importance of protecting the images' authorship has increased. Robust watermarking is a known approach to maintaining copyright protection. Robustness and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Arezoo PariZanganeh , Ghazaleh Ghorbanzadeh , Zahra Nabizadeh ShahreBabak , Nader Karimi , Shadrokh Samavi

An adaptive visible/invisible watermarking scheme is done to prevent the privacy and preserving copyright protection of digital data using Hadamard transform based on the scaling factor of the image. The value of scaling factor depends on…

Multimedia · Computer Science 2014-05-14 Parvathavarthini S. , Shanthakumari R

Deep learning has been achieving top performance in many tasks. Since training of a deep learning model requires a great deal of cost, we need to treat neural network models as valuable intellectual properties. One concern in such a…

Cryptography and Security · Computer Science 2019-01-21 Ryota Namba , Jun Sakuma

A state-feedback watermarking signal design for the detection of replay attacks in linear systems is proposed. The control input is augmented with a random time-delayed term of the system state estimate, in order to secure the system…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Christoforos Somarakis , Raman Goyal , Erfaun Noorani , Shantanu Rane

Application of the multi-objective particle swarm optimisation (MOPSO) algorithm to design of water distribution systems is described. An earlier MOPSO algorithm is augmented with (a) local search, (b) a modified strategy for assigning the…

Neural and Evolutionary Computing · Computer Science 2019-03-15 Mahesh B. Patil , M. Naveen Naidu , A. Vasan , Murari R. R. Varma

Dynamic watermarking schemes can enhance the cyber attack detection capability of networked control systems (NCSs). This paper presents a linear event-triggered solution to conventional dynamic watermarking (CDW) schemes. Firstly, the…

Cryptography and Security · Computer Science 2022-05-03 Dajun Du , Changda Zhang , Xue Li , Minrui Fei , Huiyu Zhou

Artificial Intelligence (AI) has found wide application, but also poses risks due to unintentional or malicious tampering during deployment. Regular checks are therefore necessary to detect and prevent such risks. Fragile watermarking is a…

Cryptography and Security · Computer Science 2023-09-06 Zhenzhe Gao , Zhaoxia Yin , Hongjian Zhan , Heng Yin , Yue Lu

Watermarking generative content serves as a vital tool for authentication, ownership protection, and mitigation of potential misuse. Existing watermarking methods face the challenge of balancing robustness and concealment. They empirically…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Huayang Huang , Yu Wu , Qian Wang

Designing a multi-layer optical system with designated optical characteristics is an inverse design problem in which the resulting design is determined by several discrete and continuous parameters. In particular, we consider three design…

Machine Learning · Computer Science 2021-11-17 Heribert Wankerl , Maike L. Stern , Ali Mahdavi , Christoph Eichler , Elmar W. Lang

Various watermarking methods (``watermarkers'') have been proposed to identify LLM-generated texts; yet, due to the lack of unified evaluation platforms, many critical questions remain under-explored: i) What are the strengths/limitations…

Cryptography and Security · Computer Science 2025-10-01 Jiacheng Liang , Zian Wang , Lauren Hong , Shouling Ji , Ting Wang

Networked robotic systems, such as connected vehicle platoons, can improve the safety and efficiency of transportation networks by allowing for high-speed coordination. To enable such coordination, these systems rely on networked…

Optimization and Control · Mathematics 2021-06-17 Matthew Porter , Arnav Joshi , Sidhartha Dey , Qirui Wu , Pedro Hespanhol , Anil Aswani , Matthew Johnson-Roberson , Ram Vasudevan

A new watermarking algorithm is given, it is based on the so-called chaotic iterations and on the choice of some coefficients which are deduced from the description of the carrier medium. After defining these coefficients, chaotic discrete…

Cryptography and Security · Computer Science 2008-10-28 Jacques M. Bahi , Christophe Guyeux

The goal of 3D mesh watermarking is to embed the message in 3D meshes that can withstand various attacks imperceptibly and reconstruct the message accurately from watermarked meshes. The watermarking algorithm is supposed to withstand…

Cryptography and Security · Computer Science 2023-12-19 Xingyu Zhu , Guanhui Ye , Xiapu Luo , Xuetao Wei

Putting a watermark into digital circuitry has its own set of challenges. Creating a secure watermark in printed matter usually involves including graphics that are difficult to reproduce. In circuitry, including additional circuitry that…

Cryptography and Security · Computer Science 2022-03-24 James Gil de Lamadrid , Seonho Choi

Attack detection and mitigation strategies for cyberphysical systems (CPS) are an active area of research, and researchers have developed a variety of attack-detection tools such as dynamic watermarking. However, such methods often make…

Systems and Control · Electrical Eng. & Systems 2020-04-01 Matt Olfat , Stephen Sloan , Pedro Hespanhol , Matt Porter , Ram Vasudevan , Anil Aswani

Cyber data attacks are the worst-case interacting bad data to power system state estimation and cannot be detected by existing bad data detectors. In this paper, we for the first time analyze the likelihood of cyber data attacks by…

Systems and Control · Computer Science 2016-11-15 Yingshuai Hao , Meng Wang , Joe Chow

Watermarking is a technique which consists in introducing a brand, the name or the logo of the author, in an image in order to protect it against illegal copy. The capacity of the existing watermark channel is often limited. We propose in…

Previous studies demonstrate DNNs' vulnerability to adversarial examples and adversarial training can establish a defense to adversarial examples. In addition, recent studies show that deep neural networks also exhibit vulnerability to…

Machine Learning · Computer Science 2022-04-15 Zhiyuan Zhang , Ruixuan Luo , Xuancheng Ren , Qi Su , Liangyou Li , Xu Sun