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Neural networks have achieved remarkable performance across a wide range of tasks, yet they remain susceptible to adversarial perturbations, which pose significant risks in safety-critical applications. With the rise of multimodality,…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Xinxin Liu , Zhongliang Guo , Siyuan Huang , Chun Pong Lau

The improvement of language model robustness, including successful defense against adversarial attacks, remains an open problem. In computer vision settings, the stochastic noising and de-noising process provided by diffusion models has…

机器学习 · 计算机科学 2024-06-21 Harrison Gietz , Jugal Kalita

Despite significant advances in the area, adversarial robustness remains a critical challenge in systems employing machine learning models. The removal of adversarial perturbations at inference time, known as adversarial purification, has…

机器学习 · 计算机科学 2026-03-31 Elias Collaert , Abel Rodríguez , Sander Joos , Lieven Desmet , Vera Rimmer

Machine learning (ML) has gained significant adoption in Android malware detection to address the escalating threats posed by the rapid proliferation of malware attacks. However, recent studies have revealed the inherent vulnerabilities of…

密码学与安全 · 计算机科学 2026-05-07 Yuyang Zhou , Guang Cheng , Zongyao Chen , Shui Yu

Diffusion models like Stable Diffusion have become prominent in visual synthesis tasks due to their powerful customization capabilities, which also introduce significant security risks, including deepfakes and copyright infringement. In…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Wenkui Yang , Jie Cao , Junxian Duan , Ran He

Adversarial purification is a kind of defense technique that can defend against various unseen adversarial attacks without modifying the victim classifier. Existing methods often depend on external generative models or cooperation between…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Erhu Liu , Zonglin Yang , Bo Liu , Bin Xiao , Xiuli Bi

The diffusion-based adversarial purification methods attempt to drown adversarial perturbations into a part of isotropic noise through the forward process, and then recover the clean images through the reverse process. Due to the lack of…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Gaozheng Pei , Ke Ma , Yingfei Sun , Qianqian Xu , Qingming Huang

Due to their powerful image generation capabilities, diffusion-based adversarial example generation methods through image editing are rapidly gaining popularity. However, due to reliance on the discriminative capability of the diffusion…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Gaozheng Pei , Ke Ma , Dongpeng Zhang , Chengzhi Sun , Qianqian Xu , Qingming Huang

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 is one of the promising approaches to defend neural networks against adversarial attacks. Recently, methods utilizing diffusion probabilistic models have achieved great success for adversarial purification in image…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Mingkun Zhang , Jianing Li , Wei Chen , Jiafeng Guo , Xueqi Cheng

Deep learning models are vulnerable to adversarial examples and make incomprehensible mistakes, which puts a threat on their real-world deployment. Combined with the idea of adversarial training, preprocessing-based defenses are popular and…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Tao Bai , Jun Zhao , Lanqing Guo , Bihan Wen

LiDAR-based segmentation is essential for reliable perception in autonomous vehicles, yet modern segmentation networks are highly susceptible to adversarial attacks that can compromise safety. Most existing defenses are designed for…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Alexandros Gkillas , Ioulia Kapsali , Nikos Piperigkos , Aris S. Lalos

Vision Language Models (VLMs) have shown remarkable capabilities in multimodal understanding, yet their susceptibility to perturbations poses a significant threat to their reliability in real-world applications. Despite often being…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jia Fu , Yongtao Wu , Yihang Chen , Kunyu Peng , Xiao Zhang , Volkan Cevher , Sepideh Pashami , Anders Holst

The recently introduced Consistency models pose an efficient alternative to diffusion algorithms, enabling rapid and good quality image synthesis. These methods overcome the slowness of diffusion models by directly mapping noise to data,…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Shelly Golan , Roy Ganz , Michael Elad

Deep Learning models are highly susceptible to adversarial manipulations that can lead to catastrophic consequences. One of the most effective methods to defend against such disturbances is adversarial training but at the cost of…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Samuel Henrique Silva , Arun Das , Ian Scarff , Peyman Najafirad

Adversarial purification is a successful defense mechanism against adversarial attacks without requiring knowledge of the form of the incoming attack. Generally, adversarial purification aims to remove the adversarial perturbations…

计算与语言 · 计算机科学 2023-05-04 Linyang Li , Demin Song , Xipeng Qiu

Multimodal Large Language Models (MLLMs) have achieved remarkable success in tasks such as image captioning, visual question answering, and cross-modal reasoning by integrating visual and textual modalities. However, their multimodal nature…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Fengling Zhu , Boshi Liu , Jingyu Hua , Sheng Zhong

Adversarial purification with diffusion models has emerged as a promising defense strategy, but existing methods typically rely on uniform noise injection, which indiscriminately perturbs all frequencies, corrupting semantic structures and…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xiaoyi Huang , Junwei Wu , Kejia Zhang , Carl Yang , Zhiming Luo

We propose an AID-purifier that can boost the robustness of adversarially-trained networks by purifying their inputs. AID-purifier is an auxiliary network that works as an add-on to an already trained main classifier. To keep it…

机器学习 · 计算机科学 2021-07-15 Duhun Hwang , Eunjung Lee , Wonjong Rhee

Deep learning models are known to be vulnerable to adversarial attacks by injecting sophisticated designed perturbations to input data. Training-time defenses still exhibit a significant performance gap between natural accuracy and robust…

机器学习 · 计算机科学 2025-05-20 Cheng-Han Yeh , Kuanchun Yu , Chun-Shien Lu