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Metric Differential Privacy is a generalization of differential privacy tailored to address the unique challenges of text-to-text privatization. By adding noise to the representation of words in the geometric space of embeddings, words are…

计算与语言 · 计算机科学 2023-06-05 Stefan Arnold , Dilara Yesilbas , Sven Weinzierl

Knowledge distillation in neural networks refers to compressing a large model or dataset into a smaller version of itself. We introduce Privacy Distillation, a framework that allows a text-to-image generative model to teach another model…

Current LLM-based services typically require users to submit raw text regardless of its sensitivity. While intuitive, such practice introduces substantial privacy risks, as unauthorized access may expose personal, medical, or legal…

密码学与安全 · 计算机科学 2026-04-09 Jeongho Yoon , Chanhee Park , Yongchan Chun , Hyeonseok Moon , Heuiseok Lim

Fine-tuning large language models on private data for downstream applications poses significant privacy risks in potentially exposing sensitive information. Several popular community platforms now offer convenient distribution of a large…

机器学习 · 计算机科学 2024-09-02 Md Rafi Ur Rashid , Jing Liu , Toshiaki Koike-Akino , Shagufta Mehnaz , Ye Wang

A key concern for AI safety remains understudied in the machine learning (ML) literature: how can we ensure users of ML models do not leverage predictions on incorrect personal data to harm others? This is particularly pertinent given the…

机器学习 · 计算机科学 2025-10-01 Muhammad H. Ashiq , Peter Triantafillou , Hung Yun Tseng , Grigoris G. Chrysos

The proliferation of text-to-image diffusion models has raised significant privacy and security concerns, particularly regarding the generation of copyrighted or harmful images. In response, concept erasure (defense) methods have been…

机器学习 · 计算机科学 2025-10-06 Alex D. Richardson , Kaicheng Zhang , Lucas Beerens , Dongdong Chen

In the realm of multimedia data analysis, the extensive use of image datasets has escalated concerns over privacy protection within such data. Current research predominantly focuses on privacy protection either in data sharing or upon the…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Huaxi Huang , Xin Yuan , Qiyu Liao , Dadong Wang , Tongliang Liu

Protecting privacy in contemporary NLP models is gaining in importance. So does the need to mitigate social biases of such models. But can we have both at the same time? Existing research suggests that privacy preservation comes at the…

计算与语言 · 计算机科学 2023-05-25 Cleo Matzken , Steffen Eger , Ivan Habernal

Memorization in large-scale text-to-image diffusion models poses significant security and intellectual property risks, enabling adversarial attribute extraction and the unauthorized reproduction of sensitive or proprietary features. While…

机器学习 · 计算机科学 2026-01-28 Divya Kothandaraman , Jaclyn Pytlarz

Latent diffusion models can be used as a powerful augmentation method to artificially extend datasets for enhanced training. To the human eye, these augmented images look very different to the originals. Previous work has suggested to use…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Julian Lorenz , Katja Ludwig , Valentin Haug , Rainer Lienhart

Text-to-image diffusion models often memorize training data, revealing a fundamental failure to generalize beyond the training set. Current mitigation strategies typically sacrifice image quality or prompt alignment to reduce memorization.…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Sathwik Karnik , Juyeop Kim , Sanmi Koyejo , Jong-Seok Lee , Somil Bansal

The rapid advancement of diffusion models and personalization techniques has made it possible to recreate individual portraits from just a few publicly available images. While such capabilities empower various creative applications, they…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Guanyu Wang , Kailong Wang , Yihao Huang , Mingyi Zhou , Geguang Pu , Li Li

Machine learning models have recently enjoyed a significant increase in size and popularity. However, this growth has created concerns about dataset privacy. To counteract data leakage, various privacy frameworks guarantee that the output…

机器学习 · 计算机科学 2024-06-05 Coleman DuPlessie , Aidan Gao

Diffusion-based models, such as the Stable Diffusion model, have revolutionized text-to-image synthesis with their ability to produce high-quality, high-resolution images. These advancements have prompted significant progress in image…

密码学与安全 · 计算机科学 2023-12-07 Ali Naseh , Jaechul Roh , Amir Houmansadr

Recommender System (RS) is currently an effective way to solve information overload. To meet users' next click behavior, RS needs to collect users' personal information and behavior to achieve a comprehensive and profound user preference…

信息检索 · 计算机科学 2022-06-29 Jiangcheng Qin , Baisong Liu

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse natural language processing tasks, but their tendency to memorize training data poses significant privacy risks, particularly during fine-tuning…

计算与语言 · 计算机科学 2025-08-21 Badrinath Ramakrishnan , Akshaya Balaji

Data privacy is an increasingly important aspect of many real-world Data sources that contain sensitive information may have immense potential which could be unlocked using the right privacy enhancing transformations, but current methods…

机器学习 · 计算机科学 2021-02-09 John Martinsson , Edvin Listo Zec , Daniel Gillblad , Olof Mogren

Diffusion models, widely used for image and video generation, face a significant limitation: the risk of memorizing and reproducing training data during inference, potentially generating unauthorized copyrighted content. While prior…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Chen Chen , Enhuai Liu , Daochang Liu , Mubarak Shah , Chang Xu

Location-based services (LBSs) have become widely popular. Despite their utility, these services raise concerns for privacy since they require sharing location information with untrusted third parties. In this work, we study privacy-utility…

信息论 · 计算机科学 2019-10-07 Ecenaz Erdemir , Pier Luigi Dragotti , Deniz Gunduz

Large text-to-image models have revolutionized the ability to generate imagery using natural language. However, particularly unique or personal visual concepts, such as pets and furniture, will not be captured by the original model. This…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Xingzhe He , Zhiwen Cao , Nicholas Kolkin , Lantao Yu , Kun Wan , Helge Rhodin , Ratheesh Kalarot