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Related papers: Collusion-Secure Watermarking for Sequential Data

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We demonstrate that while the current approaches for language model watermarking are effective for open-ended generation, they are inadequate at watermarking LM outputs for constrained generation tasks with low-entropy output spaces.…

Cryptography and Security · Computer Science 2026-01-21 Nghia T. Le , Alan Ritter , Kartik Goyal

The growing complexity of Internet of Things (IoT) environments, particularly in cross-domain data sharing, presents significant security challenges. Existing data-sharing schemes often rely on computationally expensive cryptographic…

Cryptography and Security · Computer Science 2024-11-15 Kexian Liu , Jianfeng Guan , Xiaolong Hu , Jianli Liu , Hongke Zhang

Quantum neural networks (QNNs) leverage quantum computing to create powerful and efficient artificial intelligence models capable of solving complex problems significantly faster than traditional computers. With the fast development of…

Cryptography and Security · Computer Science 2025-09-11 Limengnan Zhou , Hanzhou Wu

Watermarking, the practice of embedding imperceptible information into media such as images, videos, audio, and text, is essential for intellectual property protection, content provenance and attribution. The growing complexity of digital…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Aleksandar Petrov , Shruti Agarwal , Philip H. S. Torr , Adel Bibi , John Collomosse

We present a novel technique for modulating the appearance frequency of a few tokens within a dataset for encoding an invisible watermark that can be used to protect ownership rights upon data. We develop optimal as well as fast heuristic…

Cryptography and Security · Computer Science 2023-12-29 Devriş İşler , Elisa Cabana , Alvaro Garcia-Recuero , Georgia Koutrika , Nikolaos Laoutaris

Watermarking has emerged as a promising way to detect LLM-generated text, by augmenting LLM generations with later detectable signals. Recent work has proposed multiple families of watermarking schemes, several of which focus on preserving…

Cryptography and Security · Computer Science 2025-02-25 Thibaud Gloaguen , Nikola Jovanović , Robin Staab , Martin Vechev

Sequence models, such as Large Language Models (LLMs) and autoregressive image generators, have a tendency to memorize and inadvertently leak sensitive information. While this tendency has critical legal implications, existing tools are…

Cryptography and Security · Computer Science 2025-06-06 Lorenzo Rossi , Michael Aerni , Jie Zhang , Florian Tramèr

The proliferation of automated data collection schemes and the advances in sensorics are increasing the amount of data we are able to monitor in real-time. However, given the high annotation costs and the time required by quality…

Machine Learning · Statistics 2023-07-17 Davide Cacciarelli , Murat Kulahci , John Sølve Tyssedal

Three closely-related polynomial-based group key pre-distribution schemes have recently been proposed, aimed specifically at wireless sensor networks. The schemes enable any subset of a predefined set of sensor nodes to establish a shared…

Cryptography and Security · Computer Science 2026-03-20 Chris J Mitchell

The availability and easy access to digital communication increase the risk of copyrighted material piracy. In order to detect illegal use or distribution of data, digital watermarking has been proposed as a suitable tool. It protects the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Bingyang Wen , Sergul Aydore

Watermarking is an essential technique for embedding an identifier (i.e., watermark message) within digital images to assert ownership and monitor unauthorized alterations. In face recognition systems, watermarking plays a pivotal role in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Yuguang Yao , Anil Jain , Sijia Liu

This paper presents a stochastic sampling framework for privacy-aware data sharing, where a sensor observes a process correlated with private information. A sampler determines whether to retain or discard sensor observations, balancing the…

Systems and Control · Electrical Eng. & Systems 2025-05-22 Chuanghong Weng , Ehsan Nekouei

The widespread use of Large Language Models (LLMs) in text generation has raised increasing concerns about intellectual property disputes. Watermarking techniques, which embed meta information into AI-generated content (AIGC), have the…

Cryptography and Security · Computer Science 2026-04-15 Shangkun Che , Silin Du , Ge Gao

Data watermarking in language models injects traceable signals, such as specific token sequences or stylistic patterns, into copyrighted text, allowing copyright holders to track and verify training data ownership. Previous data…

Cryptography and Security · Computer Science 2025-07-29 Xinyue Cui , Johnny Tian-Zheng Wei , Swabha Swayamdipta , Robin Jia

Deep neural networks are valuable assets considering their commercial benefits and huge demands for costly annotation and computation resources. To protect the copyright of DNNs, backdoor-based ownership verification becomes popular…

Cryptography and Security · Computer Science 2023-09-12 Guanhao Gan , Yiming Li , Dongxian Wu , Shu-Tao Xia

This paper considers the detection of change points in parallel data streams, a problem widely encountered when analyzing large-scale real-time streaming data. Each stream may have its own change point, at which its data has a…

Methodology · Statistics 2023-01-18 Zexian Lu , Yunxiao Chen , Xiaoou Li

This work considers the problem of detecting signals from multiple sequentially observed data streams, where only one stream can be observed at every time instant. The goal is to detect signals as quickly as possible while controlling the…

Methodology · Statistics 2026-04-07 Yiming Xing , Georgios Fellouris

We present REMARK-LLM, a novel efficient, and robust watermarking framework designed for texts generated by large language models (LLMs). Synthesizing human-like content using LLMs necessitates vast computational resources and extensive…

Cryptography and Security · Computer Science 2024-04-09 Ruisi Zhang , Shehzeen Samarah Hussain , Paarth Neekhara , Farinaz Koushanfar

As an efficient watermark attack method, geometric distortions destroy the synchronization between watermark encoder and decoder. And the local geometric distortion is a famous challenge in the watermark field. Although a lot of geometric…

Multimedia · Computer Science 2023-02-07 Zehua Ma , Weiming Zhang , Han Fang , Xiaoyi Dong , Linfeng Geng , Nenghai Yu

Content-independent watermarks and block-wise independency can be considered as vulnerabilities in semi-fragile watermarking methods. In this paper to achieve the objectives of semi-fragile watermarking techniques, a method is proposed to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Samira Hosseini , Mojtaba Mahdavi