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Language Models (LMs) typically adhere to a "pre-training and fine-tuning" paradigm, where a universal pre-trained model can be fine-tuned to cater to various specialized domains. Low-Rank Adaptation (LoRA) has gained the most widespread…

密码学与安全 · 计算机科学 2025-07-25 Delong Ran , Xinlei He , Tianshuo Cong , Anyu Wang , Qi Li , Xiaoyun Wang

Membership inference attacks (MIAs) aim to determine whether a specific example was used to train a given language model. While prior work has explored prompt-based attacks such as ReCALL, these methods rely heavily on the assumption that…

计算与语言 · 计算机科学 2026-01-27 Gyuwan Kim , Yang Li , Evangelia Spiliopoulou , Jie Ma , William Yang Wang

Machine learning models can leak private information about their training data. The standard methods to measure this privacy risk, based on membership inference attacks (MIAs), only check if a given data point \textit{exactly} matches a…

机器学习 · 计算机科学 2025-09-11 Jiashu Tao , Reza Shokri

We demonstrate how a target model's generalization gap leads directly to an effective deterministic black box membership inference attack (MIA). This provides an upper bound on how secure a model can be to MIA based on a simple metric.…

机器学习 · 计算机科学 2020-09-15 Jason W. Bentley , Daniel Gibney , Gary Hoppenworth , Sumit Kumar Jha

Membership inference attacks (MIAs) attempt to predict whether a particular datapoint is a member of a target model's training data. Despite extensive research on traditional machine learning models, there has been limited work studying MIA…

Accurate segmentation of brain tumors in MRI scans is essential for reliable clinical diagnosis and effective treatment planning. Recently, diffusion models have demonstrated remarkable effectiveness in image generation and segmentation…

图像与视频处理 · 电气工程与系统科学 2025-07-31 Sara Yavari , Rahul Nitin Pandya , Jacob Furst

The large model size, high computational operations, and vulnerability against membership inference attack (MIA) have impeded deep learning or deep neural networks (DNNs) popularity, especially on mobile devices. To address the challenge,…

机器学习 · 计算机科学 2021-07-06 Yijue Wang , Chenghong Wang , Zigeng Wang , Shanglin Zhou , Hang Liu , Jinbo Bi , Caiwen Ding , Sanguthevar Rajasekaran

Membership Inference Attacks (MIAs) are currently a dominant approach for evaluating privacy in machine learning applications. Despite their significance in identifying records belonging to the training dataset, several concerns remain…

机器学习 · 计算机科学 2026-01-23 Cristina Pêra , Tânia Carvalho , Maxime Cordy , Luís Antunes

Magnetic Resonance Imaging (MRI) is a powerful, non-invasive diagnostic tool; however, its clinical applicability is constrained by prolonged acquisition times. Whilst present deep learning-based approaches have demonstrated potential in…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Anurag Malyala , Zhenlin Zhang , Chengyan Wang , Chen Qin

In this paper, we address the performance degradation of efficient diffusion models by introducing Multi-architecturE Multi-Expert diffusion models (MEME). We identify the need for tailored operations at different time-steps in diffusion…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Yunsung Lee , Jin-Young Kim , Hyojun Go , Myeongho Jeong , Shinhyeok Oh , Seungtaek Choi

Reconstructing high-quality point clouds from images remains challenging in computer vision. Existing generative-model-based approaches, particularly diffusion-model approaches that directly learn the posterior, may suffer from…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Seunghyeok Shin , Dabin Kim , Hongki Lim

Diffusion models have become a leading paradigm for image super-resolution (SR), but existing methods struggle to guarantee both the high-frequency perceptual quality and the low-frequency structural fidelity of generated images. Although…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Hexin Zhang , Dong Li , Jie Huang , Bingzhou Wang , Xueyang Fu , Zhengjun Zha

Recent advancements in diffusion models have enabled high-fidelity and photorealistic image generation across diverse applications. However, these models also present security and privacy risks, including copyright violations, sensitive…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Jiacheng Shi , Yanfu Zhang , Huajie Shao , Ashley Gao

Membership inference attacks (MIAs) aim to determine whether specific data were used to train a model. While extensively studied on classification models, their impact on time series forecasting remains largely unexplored. We address this…

机器学习 · 计算机科学 2026-02-13 Nicolas Johansson , Tobias Olsson , Daniel Nilsson , Johan Östman , Fazeleh Hoseini

Membership inference attacks (MIAs) infer whether a specific data record is used for target model training. MIAs have provoked many discussions in the information security community since they give rise to severe data privacy issues,…

人工智能 · 计算机科学 2022-03-02 Yu Wang , Lifu Huang , Philip S. Yu , Lichao Sun

Large Language Models (LLMs) have the promise to revolutionize computing broadly, but their complexity and extensive training data also expose significant privacy vulnerabilities. One of the simplest privacy risks associated with LLMs is…

机器学习 · 计算机科学 2024-09-25 Rongting Zhang , Martin Bertran , Aaron Roth

Mesh reconstruction from multi-view images is a fundamental problem in computer vision, but its performance degrades significantly under sparse-view conditions, especially in unseen regions where no ground-truth observations are available.…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Haoyang Wang , Liming Liu , Peiheng Wang , Junlin Hao , Jiangkai Wu , Xinggong Zhang

Video large language models (VideoLLMs) are increasingly trained or instruction-tuned on large-scale video--text corpora collected from heterogeneous sources, raising an immediate privacy question: can an external auditor determine whether…

密码学与安全 · 计算机科学 2026-05-01 Wei Song , Yuxin Cao , Ziqi Ding , Yi Liu , Gelei Deng , Yuekang Li

The evolution of Diffusion Models has dramatically improved image generation quality, making it increasingly difficult to differentiate between real and generated images. This development, while impressive, also raises significant privacy…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Yunpeng Luo , Junlong Du , Ke Yan , Shouhong Ding

Membership inference (MI) determines if a sample was part of a victim model training set. Recent development of MI attacks focus on record-level membership inference which limits their application in many real-world scenarios. For example,…

机器学习 · 计算机科学 2022-04-27 Guoyao Li , Shahbaz Rezaei , Xin Liu