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As deep learning applications, especially programs of computer vision, are increasingly deployed in our lives, we have to think more urgently about the security of these applications.One effective way to improve the security of deep…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Xiao Tan , Jingbo Gao , Ruolin Li

Attribute representations became relevant in image recognition and word spotting, providing support under the presence of unbalance and disjoint datasets. However, for human activity recognition using sequential data from on-body sensors,…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Fernando Moya Rueda , Gernot A. Fink

This paper considers machine learning for physical layer security design for communication in a challenging wireless environment. The radio environment is assumed to be programmable with the aid of a meta material-based intelligent…

信号处理 · 电气工程与系统科学 2021-02-23 Yizhuo Song , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Apriana Toding

Lately a new approach to Extended Reality (XR), denoted as XR-RF, has been proposed which is realized by combining Radio Frequency (RF) Imaging and programmable wireless environments (PWEs). RF Imaging is a technique that aims to detect…

While Automatic Speech Recognition has been shown to be vulnerable to adversarial attacks, defenses against these attacks are still lagging. Existing, naive defenses can be partially broken with an adaptive attack. In classification tasks,…

计算与语言 · 计算机科学 2022-01-12 Raphael Olivier , Bhiksha Raj

The following paper proposes a new target localization system design using an architecture based on reconfigurable intelligent surfaces (RISs) and passive radars (PRs) for integrated sensing and communications systems. The preamble of the…

信号处理 · 电气工程与系统科学 2024-01-02 Dexin Wang , Ahmad Bazzi , Marwa Chafii

The Vision Transformer has emerged as a powerful tool for image classification tasks, surpassing the performance of convolutional neural networks (CNNs). Recently, many researchers have attempted to understand the robustness of Transformers…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Gihyun Kim , Juyeop Kim , Jong-Seok Lee

Despite the high performance achieved by deep neural networks on various tasks, extensive studies have demonstrated that small tweaks in the input could fail the model predictions. This issue of deep neural networks has led to a number of…

机器学习 · 计算机科学 2022-02-22 Ming-Chang Chiu , Xuezhe Ma

Recently deep neural networks (DNNs) have achieved significant success in real-world image super-resolution (SR). However, adversarial image samples with quasi-imperceptible noises could threaten deep learning SR models. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Jiutao Yue , Haofeng Li , Pengxu Wei , Guanbin Li , Liang Lin

With the tremendous success of deep learning in visual tasks, the representations extracted from intermediate layers of learned models, that is, deep features, attract much attention of researchers. Previous empirical analysis shows that…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Qi Qian , Juhua Hu , Hao Li

Autonomous systems require a continuous and dependable environment perception for navigation and decision-making, which is best achieved by combining different sensor types. Radar continues to function robustly in compromised circumstances…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Carsten Ditzel , Klaus Dietmayer

Random stepped frequency (RSF) radar, which transmits random-frequency pulses, can suppress the range ambiguity, improve convert detection, and possess excellent electronic counter-countermeasures (ECCM) ability [1]. In this paper, we apply…

信号处理 · 电气工程与系统科学 2018-08-30 Tianyao Huang , Yimin Liu , Huadong Meng , Xiqin Wang

Frequency estimation from measurements corrupted by noise is a fundamental challenge across numerous engineering and scientific fields. Among the pivotal factors shaping the resolution capacity of any frequency estimation technique are…

信号处理 · 电气工程与系统科学 2024-09-23 Sampath Kumar Dondapati , Omkar Nitsure , Satish Mulleti

This work tackles an intriguing and fundamental open challenge in representation learning: Given a well-trained deep learning model, can it be reprogrammed to enhance its robustness against adversarial or noisy input perturbations without…

机器学习 · 计算机科学 2024-10-08 Zhichao Hou , MohamadAli Torkamani , Hamid Krim , Xiaorui Liu

Face recognition (FR) systems powered by deep learning have become widely used in various applications. However, they are vulnerable to adversarial attacks, especially those based on local adversarial patches that can be physically applied…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Xiaoliang Liu , Furao Shen , Jian Zhao , Changhai Nie

Neural radiance fields (NeRFs) are a powerful tool for implicit scene representations, allowing for differentiable rendering and the ability to make predictions about unseen viewpoints. There has been growing interest in object and…

机器人学 · 计算机科学 2024-11-14 Boxuan Zhang , Lindsay Kleeman , Michael Burke

The problem of high-dimensional and large-scale representation of visual data is addressed from an unsupervised learning perspective. The emphasis is put on discrete representations, where the description length can be measured in bits and…

机器学习 · 计算机科学 2019-01-25 Sohrab Ferdowsi

Endeavors in indoor robotic navigation rely on the accuracy of segmentation models to identify free space in RGB images. However, deep learning models are vulnerable to adversarial attacks, posing a significant challenge to their real-world…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Qiyuan An , Christos Sevastopoulos , Fillia Makedon

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

信号处理 · 电气工程与系统科学 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

The growing demand for effective spectrum management and interference mitigation in shared bands, such as the Citizens Broadband Radio Service (CBRS), requires robust radar detection algorithms to protect the military transmission from…

网络与互联网体系结构 · 计算机科学 2025-10-14 Rahul Vanukuri , Shafi Ullah Khan , Talip Tolga Sarı , Gokhan Secinti , Diego Patiño , Debashri Roy