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Adversarial attacks aim to confound machine learning systems, while remaining virtually imperceptible to humans. Attacks on image classification systems are typically gauged in terms of $p$-norm distortions in the pixel feature space. We…

Machine Learning · Computer Science 2019-06-07 Ayon Sen , Xiaojin Zhu , Liam Marshall , Robert Nowak

Side-channel analysis (SCA) poses a real-world threat by exploiting unintentional physical signals to extract secret information from secure devices. Evaluation labs also use the same techniques to certify device security. In recent years,…

Cryptography and Security · Computer Science 2025-11-21 Sengim Karayalçin , Marina Krček , Stjepan Picek

There has been an ongoing cycle where stronger defenses against adversarial attacks are subsequently broken by a more advanced defense-aware attack. We present a new approach towards ending this cycle where we "deflect'' adversarial attacks…

Machine Learning · Computer Science 2020-02-19 Yao Qin , Nicholas Frosst , Colin Raffel , Garrison Cottrell , Geoffrey Hinton

Current neural network-based classifiers are susceptible to adversarial examples even in the black-box setting, where the attacker only has query access to the model. In practice, the threat model for real-world systems is often more…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Andrew Ilyas , Logan Engstrom , Anish Athalye , Jessy Lin

This paper proposes a method for computing efficiently the significance of a parametric pattern inside a binary image. On the one hand, a-contrario strategies avoid the user involvement for tuning detection thresholds, and allow one to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Sylvie Le Hégarat-Mascle , Emanuel Aldea , Jennifer Vandoni

Backdoor attacks have been shown to impose severe threats to real security-critical scenarios. Although previous works can achieve high attack success rates, they either require access to victim models which may significantly reduce their…

Cryptography and Security · Computer Science 2024-03-21 Jingke Zhao , Zan Wang , Yongwei Wang , Lanjun Wang

Machine learning has become mainstream across industries. Numerous examples proved the validity of it for security applications. In this work, we investigate how to reverse engineer a neural network by using only power side-channel…

Cryptography and Security · Computer Science 2018-10-23 Lejla Batina , Shivam Bhasin , Dirmanto Jap , Stjepan Picek

Modern machine learning increasingly requires training on a large collection of data from multiple sources, not all of which can be trusted. A particularly concerning scenario is when a small fraction of poisoned data changes the behavior…

Machine Learning · Computer Science 2021-04-26 Jonathan Hayase , Weihao Kong , Raghav Somani , Sewoong Oh

Phishing, a continuously growing cyber threat, aims to obtain innocent users' credentials by deceiving them via presenting fake web pages which mimic their legitimate targets. To date, various attempts have been carried out in order to…

Cryptography and Security · Computer Science 2019-05-21 Firat Coskun Dalgic , Ahmet Selman Bozkir , Murat Aydos

Adversarial perturbations can be added to images to protect their content from unwanted inferences. These perturbations may, however, be ineffective against classifiers that were not {seen} during the generation of the perturbation, or…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Ricardo Sanchez-Matilla , Chau Yi Li , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

The existing person search methods use the annotated labels of person identities to train deep networks in a supervised manner that requires a huge amount of time and effort for human labeling. In this paper, we first introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Byeong-Ju Han , Kuhyeun Ko , Jae-Young Sim

Since there are multiple parties in collaborative learning, malicious parties might manipulate the learning process for their own purposes through backdoor attacks. However, most of existing works only consider the federated learning…

Machine Learning · Computer Science 2020-07-08 Yang Liu , Zhihao Yi , Tianjian Chen

Cross-Domain Image Retrieval (CDIR) is a challenging task in computer vision, aiming to match images across different visual domains such as sketches, paintings, and photographs. Existing CDIR methods rely either on supervised learning with…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Lucas Iijima , Nikolaos Giakoumoglou , Tania Stathaki

Cryptographic libraries, an essential part of cybersecurity, are shown to be susceptible to different types of attacks, including side-channel and memory-corruption attacks. In this article, we examine popular cryptographic libraries in…

Cryptography and Security · Computer Science 2026-05-21 Rodothea Myrsini Tsoupidi , Elena Troubitsyna , Panos Papadimitratos

Many real-world applications of image recognition require multi-label learning, whose goal is to find all labels in an image. Thus, robustness of such systems to adversarial image perturbations is extremely important. However, despite a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Hassan Mahmood , Ehsan Elhamifar

When a small number of poisoned samples are injected into the training dataset of a deep neural network, the network can be induced to exhibit malicious behavior during inferences, which poses potential threats to real-world applications.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Haoheng Lan , Jindong Gu , Philip Torr , Hengshuang Zhao

Few-shot semantic segmentation aims to learn to segment unseen class objects with the guidance of only a few support images. Most previous methods rely on the pixel-level label of support images. In this paper, we focus on a more…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Haohan Wang , Liang Liu , Wuhao Zhang , Jiangning Zhang , Zhenye Gan , Yabiao Wang , Chengjie Wang , Haoqian Wang

The rapid development of deep learning has benefited from the release of some high-quality open-sourced datasets ($e.g.$, ImageNet), which allows researchers to easily verify the effectiveness of their algorithms. Almost all existing…

Cryptography and Security · Computer Science 2020-11-20 Yiming Li , Ziqi Zhang , Jiawang Bai , Baoyuan Wu , Yong Jiang , Shu-Tao Xia

Adversarial attacks have emerged as a critical threat to autonomous driving systems. These attacks exploit the underlying neural network, allowing small, almost invisible, perturbations to alter the behavior of such systems in potentially…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Richard E. Neddo , Emmanuel Atindama , Zander W. Blasingame , Chen Liu

Deep neural networks have been demonstrated to be vulnerable to adversarial attacks: subtle perturbation can completely change the prediction result. Existing adversarial attacks on object detection focus on attacking anchor-based…

Computer Vision and Pattern Recognition · Computer Science 2023-01-30 Yunxu Xie , Shu Hu , Xin Wang , Quanyu Liao , Bin Zhu , Xi Wu , Siwei Lyu