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In the past decades, the rise of artificial intelligence has given us the capabilities to solve the most challenging problems in our day-to-day lives, such as cancer prediction and autonomous navigation. However, these applications might…

密码学与安全 · 计算机科学 2022-09-13 Ehsan Nowroozi , Mohammadreza Mohammadi , Pargol Golmohammadi , Yassine Mekdad , Mauro Conti , Selcuk Uluagac

This is Btech thesis report on detection and purification of adverserially attacked images. A deep learning model is trained on certain training examples for various tasks such as classification, regression etc. By training, weights are…

机器学习 · 计算机科学 2022-05-18 Dvij Kalaria

Given a deep neural network image classification model that we treat as a black box, and an unlabeled evaluation dataset, we develop an efficient strategy by which the classifier can be evaluated. Randomly sampling and labeling instances…

机器学习 · 计算机科学 2020-06-30 Walter Bennette , Karsten Maurer , Sean Sisti

Neural networks are known to be vulnerable to adversarial attacks -- slight but carefully constructed perturbations of the inputs which can drastically impair the network's performance. Many defense methods have been proposed for improving…

Recent adversarial attack developments have made reinforcement learning more vulnerable, and different approaches exist to deploy attacks against it, where the key is how to choose the right timing of the attack. Some work tries to design…

机器学习 · 计算机科学 2022-05-03 Yang Li , Quan Pan , Erik Cambria

Deep Learning has revolutionized machine learning and artificial intelligence, achieving superhuman performance in several standard benchmarks. It is well-known that deep learning models are inefficient to train; they learn by processing…

机器学习 · 计算机科学 2021-12-03 Fartash Faghri

To advance the understanding of robust deep learning, we delve into the effects of adversarial training on self-supervised and supervised contrastive learning alongside supervised learning. Our analysis uncovers significant disparities…

机器学习 · 计算机科学 2023-06-08 Fatemeh Ghofrani , Mehdi Yaghouti , Pooyan Jamshidi

The vulnerabilities of deep neural networks against adversarial examples have become a significant concern for deploying these models in sensitive domains. Devising a definitive defense against such attacks is proven to be challenging, and…

机器学习 · 计算机科学 2022-10-04 Xuwang Yin , Soheil Kolouri , Gustavo K. Rohde

Deep models have shown their vulnerability when processing adversarial samples. As for the black-box attack, without access to the architecture and weights of the attacked model, training a substitute model for adversarial attacks has…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Wenxuan Wang , Bangjie Yin , Taiping Yao , Li Zhang , Yanwei Fu , Shouhong Ding , Jilin Li , Feiyue Huang , Xiangyang Xue

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

Deep Neural Networks are vulnerable to adversarial attacks even in settings where the attacker has no direct access to the model being attacked. Such attacks usually rely on the principle of transferability, whereby an attack crafted on a…

机器学习 · 统计学 2019-01-30 Sanjay Kariyappa , Moinuddin K. Qureshi

Recent studies have shown that deep learning models are vulnerable to specifically crafted adversarial inputs that are quasi-imperceptible to humans. In this letter, we propose a novel method to detect adversarial inputs, by augmenting the…

机器学习 · 计算机科学 2020-02-25 Kirthi Shankar Sivamani , Rajeev Sahay , Aly El Gamal

Adversarial training is a widely-applied approach to training deep neural networks to be robust against adversarial perturbation. However, although adversarial training has achieved empirical success in practice, it still remains unclear…

机器学习 · 计算机科学 2025-02-10 Binghui Li , Yuanzhi Li

Today's state-of-the-art image classifiers fail to correctly classify carefully manipulated adversarial images. In this work, we develop a new, localized adversarial attack that generates adversarial examples by imperceptibly altering the…

机器学习 · 计算机科学 2019-09-12 Eitan Rothberg , Tingting Chen , Luo Jie , Hao Ji

Deepfake detection systems deployed in real-world environments are subject to adversaries capable of crafting imperceptible perturbations that degrade model performance. While adversarial training is a widely adopted defense, its…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Adrian Serrano , Erwan Umlil , Ronan Thomas

The usage of deep learning is being escalated in many applications. Due to its outstanding performance, it is being used in a variety of security and privacy-sensitive areas in addition to conventional applications. One of the key aspects…

密码学与安全 · 计算机科学 2022-05-17 Zhaoxi Zhang , Leo Yu Zhang , Xufei Zheng , Bilal Hussain Abbasi , Shengshan Hu

Adversarial attacks present a significant threat to modern machine learning systems. Yet, existing detection methods often lack the ability to detect unseen attacks or detect different attack types with a high level of accuracy. In this…

密码学与安全 · 计算机科学 2025-10-06 Chinthana Wimalasuriya , Spyros Tragoudas

Deep Neural Networks are vulnerable to adversarial attacks. Among many defense strategies, adversarial training with untargeted attacks is one of the most effective methods. Theoretically, adversarial perturbation in untargeted attacks can…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Pengyue Hou , Jie Han , Xingyu Li

Deep Learning (DL) has shown potential in accelerating Magnetic Resonance Image acquisition and reconstruction. Nevertheless, there is a dearth of tailored methods to guarantee that the reconstruction of small features is achieved with high…

图像与视频处理 · 电气工程与系统科学 2021-04-28 Francesco Calivá , Kaiyang Cheng , Rutwik Shah , Valentina Pedoia

While many defences against adversarial examples have been proposed, finding robust machine learning models is still an open problem. The most compelling defence to date is adversarial training and consists of complementing the training…

机器学习 · 计算机科学 2021-05-27 Alex Serban , Erik Poll , Joost Visser