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相关论文: Spatial-Temporal Anomaly Detection for Sensor Atta…

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As autonomous vehicles become an essential component of modern transportation, they are increasingly vulnerable to threats such as GPS spoofing attacks. This study presents an adaptive detection approach utilizing a dynamically tuned…

Autonomous vehicles (AVs), equipped with numerous sensors such as camera, LiDAR, radar, and ultrasonic sensor, are revolutionizing the transportation industry. These sensors are expected to sense reliable information from a physical…

密码学与安全 · 计算机科学 2022-02-08 Jianzhi Lou , Qiben Yan , Qing Hui , Huacheng Zeng

LiDAR point clouds collected from a moving vehicle are functions of its trajectories, because the sensor motion needs to be compensated to avoid distortions. When autonomous vehicles are sending LiDAR point clouds to deep networks for…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Yiming Li , Congcong Wen , Felix Juefei-Xu , Chen Feng

In the past ten years, the use of 3D Time-of-Flight (ToF) LiDARs in mobile robotics has grown rapidly. Based on our accumulation of relevant research, this article systematically reviews and analyzes the use 3D ToF LiDARs in research and…

机器人学 · 计算机科学 2022-02-23 Tao Yang , You Li , Cheng Zhao , Dexin Yao , Guanyin Chen , Li Sun , Tomas Krajnik , Zhi Yan

The multi-modal perception methods are thriving in the autonomous driving field due to their better usage of complementary data from different sensors. Such methods depend on calibration and synchronization between sensors to get accurate…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Zhihang Song , Lihui Peng , Jianming Hu , Danya Yao , Yi Zhang

Perception plays a pivotal role in autonomous driving systems, which utilizes onboard sensors like cameras and LiDARs (Light Detection and Ranging) to assess surroundings. Recent studies have demonstrated that LiDAR-based perception is…

密码学与安全 · 计算机科学 2020-07-01 Jiachen Sun , Yulong Cao , Qi Alfred Chen , Z. Morley Mao

Unmanned Aerial Vehicles (UAVs), also known as drones, have gained popularity in various fields such as agriculture, emergency response, and search and rescue operations. UAV networks are susceptible to several security threats, such as…

机器人学 · 计算机科学 2025-05-13 Keiwan Soltani , Federico Corò , Punyasha Chatterjee , Sajal K. Das

Detecting small moving targets accurately in infrared (IR) image sequences is a significant challenge. To address this problem, we propose a novel method called spatial-temporal local feature difference (STLFD) with adaptive background…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yongkang Zhao , Chuang Zhu , Yuan Li , Shuaishuai Wang , Zihan Lan , Yuanyuan Qiao

We address the problem of attack detection and isolation for a class of discrete-time nonlinear systems under (potentially unbounded) sensor attacks and measurement noise. We consider the case when a subset of sensors is subject to additive…

系统与控制 · 计算机科学 2019-01-04 Tianci Yang , Carlos Murguia , Margreta Kuijper , Dragan Nešić

Tracking multiple moving objects in real-time in a dynamic threat environment is an important element in national security and surveillance system. It helps pinpoint and distinguish potential candidates posing threats from other normal…

机器学习 · 计算机科学 2022-06-27 Imtiaz Ahmed , Mikyoung Jun , Yu Ding

The operation of critical infrastructures such as the electrical power grid, cellphone towers, and financial institutions relies on precise timing provided by stationary GPS receivers. These GPS devices are vulnerable to a type of spoofing…

系统与控制 · 电气工程与系统科学 2024-09-23 Junhwan Lee , Ahmad F. Taha , Nikolaos Gatsis , David Akopian

This paper studies the problem of secure state estimation of a linear time-invariant (LTI) system with bounded noise in the presence of sparse attacks on an unknown, time-varying set of sensors. In other words, at each time, the attacker…

系统与控制 · 电气工程与系统科学 2023-07-24 Zishuo Li , Muhammad Umar B. Niazi , Changxin Liu , Yilin Mo , Karl H. Johansson

As time series data become increasingly prevalent in domains such as manufacturing, IT, and infrastructure monitoring, anomaly detection must adapt to nonstationary environments where statistical properties shift over time. Traditional…

机器学习 · 计算机科学 2025-08-12 Muyan Anna Li , Aditi Gautam

Spacecraft faces various situations when carrying out exploration missions in complex space, thus monitoring the anomaly status of spacecraft is crucial to the development of \textcolor{blue}{the} aerospace industry. The time series…

机器学习 · 计算机科学 2023-03-14 Liang Liu , Ling Tian , Zhao Kang , Tianqi Wan

Multimodal time series (MTS) anomaly detection is crucial for maintaining the safety and stability of working devices (e.g., water treatment system and spacecraft), whose data are characterized by multivariate time series with diverse…

机器学习 · 计算机科学 2023-10-18 Chaoyue Ding , Shiliang Sun , Jing Zhao

Given the temporal GPS coordinates from a large set of human agents, how can we model their mobility behavior toward effective anomaly (e.g. bad-actor or malicious behavior) detection without any labeled data? Human mobility and trajectory…

人工智能 · 计算机科学 2025-05-07 Haomin Wen , Shurui Cao , Zeeshan Rasheed , Khurram Hassan Shafique , Leman Akoglu

Unsupervised anomaly detection is widely used to detect Distributed Denial-of-Service (DDoS) attacks in cloud-native 5G networks, yet most studies assume a fixed traffic representation, either temporal or structural, without validating…

Modern on-road navigation systems heavily depend on integrating speed measurements with inertial navigation systems (INS) and global navigation satellite systems (GNSS). Telemetry-based applications typically source speed data from the…

信号处理 · 电气工程与系统科学 2025-06-25 Hany Ragab , Sidney Givigi , Aboelmagd Noureldin

Automotive radar sensors play a key role in the current development of autonomous driving. Their ability to detect objects even under adverse conditions makes them indispensable for environment-sensing tasks in autonomous vehicles. The…

信号处理 · 电气工程与系统科学 2024-10-28 Axel Diewald , Benjamin Nuß , Mario Pauli , Thomas Zwick

State-of-the-art time-of-flight (ToF) based 3D sensors suffer from poor lateral and depth resolutions. In this work, we introduce a novel sensor concept that provides ToF-based 3D measurements of real world objects with depth precisions up…