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Digital watermarking enables protection against copyright infringement of images. Although existing methods embed watermarks imperceptibly and demonstrate robustness against attacks, they typically lack resilience against geometric…

Multimedia · Computer Science 2024-02-15 Hannes Mareen , Lucas Antchougov , Glenn Van Wallendael , Peter Lambert

We introduce a dynamics-level approach to watermarking generative models. Rather than embedding signals into model weights or outputs, we embed the watermark directly into the learned continuous dynamics -- the velocity field of a flow…

Machine Learning · Computer Science 2026-05-18 Shuchan Wang

We propose TRACE, a structure-aware framework leveraging diffusion models for localized character encoding to embed data. Unlike existing methods that rely on edge features or pre-defined codebooks, TRACE exploits character structures that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Jiale Meng , Jie Zhang , Runyi Hu , Zhe-Ming Lu , Tianwei Zhang , Yiming Li

This paper studies the security of a chaotic cryptosystem based on the Chua circuit and implemented with State Controlled Cellular Neural Networks. It is shown that the plaintext can be retrieved by ciphertext band-pass filtering after an…

Chaotic Dynamics · Physics 2007-06-21 A. B. Orue , G. Alvarez , F. Montoya , C. Sanchez-Avila

This paper extends the Radon transform, a classical image processing tool for fast tomography and denoising, to the quantum computing platform. A new kind of periodic discrete Radon transform (PDRT), called quantum Radon transform (QRT), is…

Quantum Physics · Physics 2021-07-13 Guangsheng Ma , Hongbo Li , Jiman Zhao

Diffusion models (DMs) have demonstrated advantageous potential on generative tasks. Widespread interest exists in incorporating DMs into downstream applications, such as producing or editing photorealistic images. However, practical…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yunqing Zhao , Tianyu Pang , Chao Du , Xiao Yang , Ngai-Man Cheung , Min Lin

With the widespread deployment of deep neural network (DNN) models, dynamic watermarking techniques are being used to protect the intellectual property of model owners. However, recent studies have shown that existing watermarking schemes…

Cryptography and Security · Computer Science 2025-06-04 Brian Choi , Shu Wang , Isabelle Choi , Kun Sun

The chaotic systems have been found applications in diverse fields such as pseudo random number generator, coding, cryptography, spread spectrum (SS) communications etc. The inherent capability of generating a large space of PN sequences…

Discrete Mathematics · Computer Science 2012-07-12 V. H. Mankar , T. S. Das , S. K. Sarkar

Deep learning methods, in particular, trained Convolutional Neural Networks (CNN) have recently been shown to produce compelling results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the Low Resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

To achieve higher accuracy in machine learning tasks, very deep convolutional neural networks (CNNs) are designed recently. However, the large memory access of deep CNNs will lead to high power consumption. A variety of hardware-friendly…

Image and Video Processing · Electrical Eng. & Systems 2021-06-25 Yubo Shi , Meiqi Wang , Siyi Chen , Jinghe Wei , Zhongfeng Wang

The rapid proliferation of deep neural networks (DNNs) across several domains has led to increasing concerns regarding intellectual property (IP) protection and model misuse. Trained DNNs represent valuable assets, often developed through…

Cryptography and Security · Computer Science 2026-03-17 Sangeeth B , Serena Nicolazzo , Deepa K. , Vinod P

The challenges faced in the digital world are many, which could be resolved with some biometric recognition methods. These biometric recognition methods are encompassed within watermarking technology, steganography, cryptography, and many…

Cryptography and Security · Computer Science 2021-11-04 Osama R. Shahin , Zeinab M. Abdel Azim , Ahmed I Taloba

Techniques for dense semantic correspondence have provided limited ability to deal with the geometric variations that commonly exist between semantically similar images. While variations due to scale and rotation have been examined, there…

Computer Vision and Pattern Recognition · Computer Science 2017-07-19 Seungryong Kim , Dongbo Min , Stephen Lin , Kwanghoon Sohn

With the rapid advancements in digital imaging systems and networking, low-cost hand-held image capture devices equipped with network connectivity are becoming ubiquitous. This ease of digital image capture and sharing is also accompanied…

Multimedia · Computer Science 2019-06-20 Vinay Verma , Nikita Agarwal , Nitin Khanna

In this study, we address the problem of chaotic synchronization over a noisy channel by introducing a novel Deep Chaos Synchronization (DCS) system using a Convolutional Neural Network (CNN). Conventional Deep Learning (DL) based…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Majid Mobini , Georges Kaddoum

Chaos transition, as an important topic, has become an active research subject in non-linear science. By considering a Dicke Hamiltonian coupled to a bath of harmonic oscillator, we have been able to introduce a logistic map with quantum…

Chaotic Dynamics · Physics 2012-07-25 S. Ahadpour , N. Hematpour

In this paper, we propose an image encryption algorithm based on the chaos, substitution boxes, nonlinear transformation in Galois field and Latin square. Initially, the dynamic S boxes are generated using Fisher Yates shuffle method and…

Cryptography and Security · Computer Science 2017-09-25 Musheer Ahmad , Akshay Chopra

Digital watermarking is a promising solution for mitigating some of the risks arising from the misuse of automatically generated text. These approaches either embed non-specific watermarks to allow for the detection of any text generated by…

Cryptography and Security · Computer Science 2025-06-23 Zihao Fu , Chris Russell

The proliferation of large language models for code (CodeLMs) and open-source contributions has heightened concerns over unauthorized use of source code datasets. While watermarking provides a viable protection mechanism by embedding…

Cryptography and Security · Computer Science 2026-04-21 Yuchen Chen , Yuan Xiao , Chunrong Fang , Zhenyu Chen , Baowen Xu

With the increasing use of the internet and the ease of exchange of multimedia content, the protection of ownership rights has become a significant concern. Watermarking is an efficient means for this purpose. In many applications,…

Multimedia · Computer Science 2020-05-13 Mohsen Hajabdolahi , Nader Karimi , Shahram Shirani , Shadrokh Samavi