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相关论文: VideoPure: Diffusion-based Adversarial Purificatio…

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Face video restoration (FVR) is a challenging but important problem where one seeks to recover a perceptually realistic face videos from a low-quality input. While diffusion probabilistic models (DPMs) have been shown to achieve remarkable…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zihao Zou , Jiaming Liu , Shirin Shoushtari , Yubo Wang , Weijie Gan , Ulugbek S. Kamilov

While many diffusion models have achieved impressive results in real-world video super-resolution (Real-VSR) by generating rich and realistic details, their reliance on multi-step sampling leads to slow inference. One-step networks like…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Bin Chen , Weiqi Li , Shijie Zhao , Xuanyu Zhang , Junlin Li , Li Zhang , Jian Zhang

With the rapid development of face recognition (FR) systems, the privacy of face images on social media is facing severe challenges due to the abuse of unauthorized FR systems. Some studies utilize adversarial attack techniques to defend…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Yuhao Sun , Lingyun Yu , Hongtao Xie , Jiaming Li , Yongdong Zhang

Pretrained language models have significantly advanced performance across various natural language processing tasks. However, adversarial attacks continue to pose a critical challenge to systems built using these models, as they can be…

计算与语言 · 计算机科学 2025-05-20 Zhenhao Li , Huichi Zhou , Marek Rei , Lucia Specia

Video face restoration aims to enhance degraded face videos into high-quality results with realistic facial details, stable identity, and temporal coherence. Recent diffusion-based methods have brought strong generative priors to…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Zheng Chen , Bowen Chai , Rongjun Gao , Mingtao Nie , Xi Li , Bingnan Duan , Jianping Fang , Xiaohong Liu , Linghe Kong , Yulun Zhang

In Virtual Reality (VR), adversarial attack remains a significant security threat. Most deep learning-based methods for physical and digital adversarial attacks focus on enhancing attack performance by crafting adversarial examples that…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Qianyu Guo , Jiaming Fu , Yawen Lu , Dongming Gan

Diffusion models have demonstrated exceptional capabilities in image restoration, yet their application to video super-resolution (VSR) faces significant challenges in balancing fidelity with temporal consistency. Our evaluation reveals a…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Xiaohui Li , Yihao Liu , Shuo Cao , Ziyan Chen , Shaobin Zhuang , Xiangyu Chen , Yinan He , Yi Wang , Yu Qiao

This study delves into the enhancement of Under-Display Camera (UDC) image restoration models, focusing on their robustness against adversarial attacks. Despite its innovative approach to seamless display integration, UDC technology faces…

图像与视频处理 · 电气工程与系统科学 2024-11-04 Zhenbo Song , Zhenyuan Zhang , Kaihao Zhang , Zhaoxin Fan , Jianfeng Lu

Adversarial purification with diffusion models seeks to project adversarial examples back toward the data manifold, but balancing semantic preservation and robustness against adaptive attacks remains challenging. Recent work shows that…

机器学习 · 计算机科学 2026-05-12 Daniel Wesego , Pedram Rooshenas

Diffusion Probabilistic Models (DPMs) have emerged as a powerful class of deep generative models, achieving remarkable performance in image synthesis tasks. However, these models face challenges in terms of widespread adoption due to their…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Kidist Amde Mekonnen , Nicola Dall'Asen , Paolo Rota

Adversarial attacks, particularly \textbf{targeted} transfer-based attacks, can be used to assess the adversarial robustness of large visual-language models (VLMs), allowing for a more thorough examination of potential security flaws before…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Qi Guo , Shanmin Pang , Xiaojun Jia , Yang Liu , Qing Guo

Advances in diffusion-based video generation models, while significantly improving human animation, poses threats of misuse through the creation of fake videos from a specific person's photo and text prompts. Recent efforts have focused on…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Duc Vu , Anh Nguyen , Chi Tran , Anh Tran

The rapid growth of social media has led to the widespread sharing of individual portrait images, which pose serious privacy risks due to the capabilities of automatic face recognition (AFR) systems for mass surveillance. Hence, protecting…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Ali Salar , Qing Liu , Yingli Tian , Guoying Zhao

Adversarial attacks induce misclassification by introducing subtle perturbations. Recently, diffusion models are applied to the image classifiers to improve adversarial robustness through adversarial training or by purifying adversarial…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yujie Li , Yanbin Wang , Haitao Xu , Bin Liu , Jianguo Sun , Zhenhao Guo , Wenrui Ma

Recently, diffusion model-based inverse problem solvers (DIS) have emerged as state-of-the-art approaches for addressing inverse problems, including image super-resolution, deblurring, inpainting, etc. However, their application to video…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Taesung Kwon , Jong Chul Ye

Applying an image processing algorithm independently to each video frame often leads to temporal inconsistency in the resulting video. To address this issue, we present a novel and general approach for blind video temporal consistency. Our…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Chenyang Lei , Yazhou Xing , Hao Ouyang , Qifeng Chen

Neural Networks are infamously sensitive to small perturbations in their inputs, making them vulnerable to adversarial attacks. This project evaluates the performance of Denoising Diffusion Probabilistic Models (DDPM) as a purification…

机器学习 · 计算机科学 2023-01-18 Lars Lien Ankile , Anna Midgley , Sebastian Weisshaar

Recently, automatic speaker verification (ASV) based on deep learning is easily contaminated by adversarial attacks, which is a new type of attack that injects imperceptible perturbations to audio signals so as to make ASV produce wrong…

音频与语音处理 · 电气工程与系统科学 2024-07-10 Yibo Bai , Xiao-Lei Zhang , Xuelong Li

Deep 3D point cloud models are sensitive to adversarial attacks, which poses threats to safety-critical applications such as autonomous driving. Robust training and defend-by-denoising are typical strategies for defending adversarial…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Kui Zhang , Hang Zhou , Jie Zhang , Qidong Huang , Weiming Zhang , Nenghai Yu

3D Point cloud is becoming a critical data representation in many real-world applications like autonomous driving, robotics, and medical imaging. Although the success of deep learning further accelerates the adoption of 3D point clouds in…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jiachen Sun , Weili Nie , Zhiding Yu , Z. Morley Mao , Chaowei Xiao