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It is common practice to apply padding prior to convolution operations to preserve the resolution of feature-maps in Convolutional Neural Networks (CNN). While many alternatives exist, this is often achieved by adding a border of zeros…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Paul Gavrikov , Janis Keuper

Adversarial attacks meticulously generate minuscule, imperceptible perturbations to images to deceive neural networks. Counteracting these, adversarial purification methods seek to transform adversarial input samples into clean output…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Sitong Liu , Zhichao Lian , Shuangquan Zhang , Liang Xiao

State-of-the-art deep neural networks have proven to be highly powerful in a broad range of tasks, including semantic image segmentation. However, these networks are vulnerable against adversarial attacks, i.e., non-perceptible…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Kira Maag , Asja Fischer

Taking into account information across the temporal domain helps to improve environment perception in autonomous driving. However, it has not been studied so far whether temporally fused neural networks are vulnerable to deliberately…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Svetlana Pavlitskaya , Nikolai Polley , Michael Weber , J. Marius Zöllner

This paper discusses the attack feasibility of Remote Adversarial Patch (RAP) targeting face detectors. The RAP that targets face detectors is similar to the RAP that targets general object detectors, but the former has multiple issues in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Masora Okano , Koichi Ito , Masakatsu Nishigaki , Tetsushi Ohki

Adversarial attacks hamper the functionality and accuracy of Deep Neural Networks (DNNs) by meddling with subtle perturbations to their inputs.In this work, we propose a new Mask-based Adversarial Defense scheme (MAD) for DNNs to mitigate…

Machine Learning · Computer Science 2022-04-27 Weizhen Xu , Chenyi Zhang , Fangzhen Zhao , Liangda Fang

The low-cost, user-friendly, and convenient nature of Automatic Fingerprint Recognition Systems (AFRS) makes them suitable for a wide range of applications. This spreading use of AFRS also makes them vulnerable to various security threats.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Anuj Rai , Ashutosh Anshul , Ashwini Jha , Prayag Jain , Ramprakash Sharma , Somnath Dey

Recent studies imply that deep neural networks are vulnerable to adversarial examples -- inputs with a slight but intentional perturbation are incorrectly classified by the network. Such vulnerability makes it risky for some…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Jinyu Yang , Chunyuan Li , Weizhi An , Hehuan Ma , Yuzhi Guo , Yu Rong , Peilin Zhao , Junzhou Huang

Voice-based human-machine interfaces with an automatic speaker verification (ASV) component are commonly used in the market. However, the threat from presentation attacks is also growing since attackers can use recent speech synthesis…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-11 Xin Wang , Junichi Yamagishi

Adversarial attacks against computer vision systems have emerged as a critical research area that challenges the fundamental assumptions about neural network robustness and security. This comprehensive survey examines the evolving landscape…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhongliang Guo , Yifei Qian , Yanli Li , Weiye Li , Chun Tong Lei , Shuai Zhao , Lei Fang , Ognjen Arandjelović , Chun Pong Lau

This study provides a new understanding of the adversarial attack problem by examining the correlation between adversarial attack and visual attention change. In particular, we observed that: (1) images with incomplete attention regions are…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Shangxi Wu , Jitao Sang , Kaiyuan Xu , Jiaming Zhang , Jian Yu

Physical adversarial patch (PAP) attacks attach carefully crafted patches to physical objects to manipulate a deployed model. However, existing PAP attacks suffer from several limitations. First, existing patches remain continuously active,…

Cryptography and Security · Computer Science 2026-05-19 Hanrui Jiang , Yutong Wu , Shiyi Yao , Chen Ling , Xingshuo Han , Hangcheng Liu , Xinyi Huang , Tianwei Zhang

In recent years, camera-based 3D object detection has gained widespread attention for its ability to achieve high performance with low computational cost. However, the robustness of these methods to adversarial attacks has not been…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Shaoyuan Xie , Zichao Li , Zeyu Wang , Cihang Xie

Visible-infrared pedestrian Re-identification (VI-ReID) aims to match pedestrian images captured by infrared cameras and visible cameras. However, VI-ReID, like other traditional cross-modal image matching tasks, poses significant…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Yue Su , Hao Li , Maoguo Gong

It is well established that neural networks are vulnerable to adversarial examples, which are almost imperceptible on human vision and can cause the deep models misbehave. Such phenomenon may lead to severely inestimable consequences in the…

Machine Learning · Computer Science 2020-09-09 Dengpan Ye , Chuanxi Chen , Changrui Liu , Hao Wang , Shunzhi Jiang

Face presentation attack detection (PAD) is an essential measure to protect face recognition systems from being spoofed by malicious users and has attracted great attention from both academia and industry. Although most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Zhi Li , Haoliang Li , Xin Luo , Yongjian Hu , Kwok-Yan Lam , Alex C. Kot

Presentation attack detection (PAD) is a critical component in secure face authentication. We present a PAD algorithm to distinguish face spoofs generated by a photograph of a subject from live images. Our method uses an image decomposition…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Shlok Kumar Mishra , Kuntal Sengupta , Max Horowitz-Gelb , Wen-Sheng Chu , Sofien Bouaziz , David Jacobs

Natural images are virtually surrounded by low-density misclassified regions that can be efficiently discovered by gradient-guided search --- enabling the generation of adversarial images. While many techniques for detecting these attacks…

Machine Learning · Computer Science 2019-12-05 Tao Yu , Shengyuan Hu , Chuan Guo , Wei-Lun Chao , Kilian Q. Weinberger

Despite their remarkable performance, deep neural networks exhibit a critical vulnerability: small, often imperceptible, adversarial perturbations can lead to drastically altered model predictions. Given the stringent reliability demands of…

Machine Learning · Computer Science 2025-12-16 Mohammad Mahdi Razmjoo , Mohammad Mahdi Sharifian , Saeed Bagheri Shouraki

Adversarial examples have proven to be a concerning threat to deep learning models, particularly in the image domain. However, while many studies have examined adversarial examples in the real world, most of them relied on 2D photos of the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yael Mathov , Lior Rokach , Yuval Elovici