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We consider a communication scenario, in which an intruder tries to determine the modulation scheme of the intercepted signal. Our aim is to minimize the accuracy of the intruder, while guaranteeing that the intended receiver can still…

机器学习 · 计算机科学 2020-04-09 Muhammad Zaid Hameed , Andras Gyorgy , Deniz Gunduz

Adversarial attacks can readily disrupt the image classification system, revealing the vulnerability of DNN-based recognition tasks. While existing adversarial perturbations are primarily applied to uncompressed images or compressed images…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Yang Sui , Zhuohang Li , Ding Ding , Xiang Pan , Xiaozhong Xu , Shan Liu , Zhenzhong Chen

Image scaling is an integral part of machine learning and computer vision systems. Unfortunately, this preprocessing step is vulnerable to so-called image-scaling attacks where an attacker makes unnoticeable changes to an image so that it…

密码学与安全 · 计算机科学 2024-02-05 Erwin Quiring , Andreas Müller , Konrad Rieck

Autonomous driving technology has drawn a lot of attention due to its fast development and extremely high commercial values. The recent technological leap of autonomous driving can be primarily attributed to the progress in the environment…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Jindi Zhang

Traffic light recognition is essential for fully autonomous driving in urban areas. In this paper, we investigate the feasibility of fooling traffic light recognition mechanisms by shedding laser interference on the camera. By exploiting…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Chen Yan , Zhijian Xu , Zhanyuan Yin , Xiaoyu Ji , Wenyuan Xu

Recent works investigated attacks on sensors by influencing analog sensor components with acoustic, light, and electromagnetic signals. Such attacks can have extensive security, reliability, and safety implications since many types of the…

密码学与安全 · 计算机科学 2022-03-16 Yazhou Tu , Sara Rampazzi , Xiali Hei

Autonomous vehicles rely on perception systems to understand their surroundings for further navigation missions. Cameras are essential for perception systems due to the advantages of object detection and recognition provided by modern…

计算机视觉与模式识别 · 计算机科学 2023-06-21 You Li , Julien Moreau , Javier Ibanez-Guzman

This paper presents a new FDTD-based optical simulation model dedicated to describe the optical performances of CMOS image sensors taking into account diffraction effects. Following market trend and industrialization constraints, CMOS image…

光学 · 物理学 2023-10-17 Flavien Hirigoyen , Axel Crocherie , Jérôme Vaillant , Yvon Cazaux

Traffic sign recognition systems play a crucial role in assisting drivers to make informed decisions while driving. However, due to the heavy reliance on deep learning technologies, particularly for future connected and autonomous driving,…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Hangcheng Cao , Longzhi Yuan , Guowen Xu , Ziyang He , Zhengru Fang , Yuguang Fang

An actuator is a device that converts electricity into another form of energy, typically physical movement. They are absolutely essential for any system that needs to impact or modify the physical world, and are used in millions of systems…

密码学与安全 · 计算机科学 2022-03-15 Youqian Zhang , Kasper Rasmussen

Safety-critical sensors in autonomous vehicles (AVs) form an essential part of the vehicle's trusted computing base (TCB), yet they are highly susceptible to attacks. Alarmingly, Tier 1 manufacturers have already exposed vulnerabilities to…

密码学与安全 · 计算机科学 2025-03-17 R. Spencer Hallyburton , Qingzhao Zhang , Z. Morley Mao , Michael Reiter , Miroslav Pajic

Camera-based computer vision is essential to autonomous vehicle's perception. This paper presents an attack that uses light-emitting diodes and exploits the camera's rolling shutter effect to create adversarial stripes in the captured…

密码学与安全 · 计算机科学 2024-07-11 Dongfang Guo , Yuting Wu , Yimin Dai , Pengfei Zhou , Xin Lou , Rui Tan

Accurate face recognition techniques make a series of critical applications possible: policemen could employ it to retrieve criminals' faces from surveillance video streams; cross boarder travelers could pass a face authentication…

密码学与安全 · 计算机科学 2018-03-14 Zhe Zhou , Di Tang , Xiaofeng Wang , Weili Han , Xiangyu Liu , Kehuan Zhang

Image sensors hold a pivotal role in society due to their ability to capture vast amounts of information. Traditionally, image sensors are opaque due to light absorption in both the pixels and the read-out electronics that are stacked on…

We study potential security vulnerabilities of a single-photon detector based on superconducting transition-edge sensor. In a simple experiment, we show that an adversary could fake a photon number result at a certain wavelength by sending…

量子物理 · 物理学 2022-09-13 Poompong Chaiwongkhot , Jiaqiang Zhong , Anqi Huang , Hao Qin , Sheng-cai Shi , Vadim Makarov

Surveillance cameras, which is a form of Cyber Physical System, are deployed extensively to provide visual surveillance monitoring of activities of interest or anomalies. However, these cameras are at risks of physical security attacks…

密码学与安全 · 计算机科学 2019-06-18 Jonathan Pan

Examining the authenticity of images has become increasingly important as manipulation tools become more accessible and advanced. Recent work has shown that while CNN-based image manipulation detectors can successfully identify…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Image anomaly detection (IAD) is essential in applications such as industrial inspection, medical imaging, and security. Despite the progress achieved with deep learning models like Deep Semi-Supervised Anomaly Detection (DeepSAD), these…

计算机视觉与模式识别 · 计算机科学 2024-12-19 He Cheng , Depeng Xu , Shuhan Yuan

Probing signal injection is a well-established technique to extract additional information from a weakly (or non) observable dynamical system. Using averaging theory, a framework to analyse such schemes for general nonlinear systems has…

系统与控制 · 计算机科学 2019-11-20 Bowen Yi , Romeo Ortega , Houria Siguerdidjane , Juan E. Machado , Weidong Zhang

For the time being, mobile devices employ implicit authentication mechanisms, namely, unlock patterns, PINs or biometric-based systems such as fingerprint or face recognition. While these systems are prone to well-known attacks, the…

机器学习 · 计算机科学 2020-11-09 Cezara Benegui , Radu Tudor Ionescu