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Purely MLP-based neural radiance fields (NeRF-based methods) often suffer from underfitting with blurred renderings on large-scale scenes due to limited model capacity. Recent approaches propose to geographically divide the scene and adopt…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Linning Xu , Yuanbo Xiangli , Sida Peng , Xingang Pan , Nanxuan Zhao , Christian Theobalt , Bo Dai , Dahua Lin

As modern networks grow increasingly complex--driven by diverse devices, encrypted protocols, and evolving threats--network traffic analysis has become critically important. Existing machine learning models often rely only on a single…

密码学与安全 · 计算机科学 2025-07-04 Binghui Wu , Dinil Mon Divakaran , Mohan Gurusamy

Accurate and robust 3D object detection is essential for autonomous driving, where fusing data from sensors like LiDAR and camera enhances detection accuracy. However, sensor malfunctions such as corruption or disconnection can degrade…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Reza Sadeghian , Niloofar Hooshyaripour , Chris Joslin , WonSook Lee

Robust localization in dense urban scenarios using a low-cost sensor setup and sparse HD maps is highly relevant for the current advances in autonomous driving, but remains a challenging topic in research. We present a novel monocular…

机器人学 · 计算机科学 2021-10-22 Kürsat Petek , Kshitij Sirohi , Daniel Büscher , Wolfram Burgard

LiDAR scene flow is the task of estimating per-point 3D motion between consecutive point clouds. Recent methods achieve centimeter-level accuracy on popular autonomous vehicle (AV) datasets, but are typically only trained and evaluated on a…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Siyi Li , Qingwen Zhang , Ishan Khatri , Kyle Vedder , Eric Eaton , Deva Ramanan , Neehar Peri

Evidential occupancy grid maps (OGMs) are a popular representation of the environment of automated vehicles. Inverse sensor models (ISMs) are used to compute OGMs from sensor data such as lidar point clouds. Geometric ISMs show a limited…

机器人学 · 计算机科学 2021-11-22 Raphael van Kempen , Bastian Lampe , Timo Woopen , Lutz Eckstein

Multi-sensor fusion is central to robust robotic perception, yet most existing systems operate under static sensor configurations, collecting all modalities at fixed rates and fidelity regardless of their situational utility. This rigidity…

机器人学 · 计算机科学 2026-02-12 Yanchen Liu , Yuang Fan , Minghui Zhao , Xiaofan Jiang

Multi-modal fusion has shown initial promising results for object detection of autonomous driving perception. However, many existing fusion schemes do not consider the quality of each fusion input and may suffer from adverse conditions on…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yang Lou , Qun Song , Qian Xu , Rui Tan , Jianping Wang

Radar has shown strong potential for robust perception in autonomous driving; however, raw radar images are frequently degraded by noise and "ghost" artifacts, making object detection based solely on semantic features highly challenging. To…

机器人学 · 计算机科学 2025-09-23 Shuocheng Yang , Zikun Xu , Jiahao Wang , Shahid Nawaz , Jianqiang Wang , Shaobing Xu

Millimeter-wave radar offers unique advantages in adverse weather but suffers from low spatial fidelity, severe azimuth ambiguity, and clutter-induced spurious returns. Existing methods mainly focus on improving spatial perception…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Shengpeng Wang , Kuangyu Wang , Wei Wang

Multi-camera 3D perception has emerged as a prominent research field in autonomous driving, offering a viable and cost-effective alternative to LiDAR-based solutions. The existing multi-camera algorithms primarily rely on monocular 2D…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Chen Min , Liang Xiao , Dawei Zhao , Yiming Nie , Bin Dai

Jointly processing information from multiple sensors is crucial to achieving accurate and robust perception for reliable autonomous driving systems. However, current 3D perception research follows a modality-specific paradigm, leading to…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Haiyang Wang , Hao Tang , Shaoshuai Shi , Aoxue Li , Zhenguo Li , Bernt Schiele , Liwei Wang

This paper introduces a Bayesian framework to detect multiple signals embedded in noisy observations from a sensor array. For various states of knowledge on the communication channel and the noise at the receiving sensors, a marginalization…

信息论 · 计算机科学 2009-09-08 Romain Couillet , Merouane Debbah

In this article, we propose a novel navigation framework that leverages a two layered graph representation of the environment for efficient large-scale exploration, while it integrates a novel uncertainty awareness scheme to handle dynamic…

机器人学 · 计算机科学 2024-02-07 Akash Patel , Mario A V Saucedo , Christoforos Kanellakis , George Nikolakopoulos

This paper presents a robust and secure framework for achieving accurate and reliable mutual localization in multiple unmanned aerial vehicle (UAV) systems. Challenges of accurate localization and security threats are addressed and…

信号处理 · 电气工程与系统科学 2023-09-11 Zexin Fang , Bin Han , Hans D. Schotten

Robots navigating dynamic, cluttered, and semantically complex environments must integrate perception, symbolic reasoning, and spatial planning to generalize across diverse layouts and object categories. Existing methods often rely on…

机器人学 · 计算机科学 2025-10-14 Ahmed Alanazi , Duy Ho , Yugyung Lee

Radar is a key component of the suite of perception sensors used for safe and reliable navigation of autonomous vehicles. Its unique capabilities include high-resolution velocity imaging, detection of agents in occlusion and over long…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Arvind Srivastav , Soumyajit Mandal

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

信号处理 · 电气工程与系统科学 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

In the realm of autonomous driving, accurately detecting surrounding obstacles is crucial for effective decision-making. Traditional methods primarily rely on 3D bounding boxes to represent these obstacles, which often fail to capture the…

机器人学 · 计算机科学 2025-11-18 Chunyong Hu , Qi Luo , Jianyun Xu , Song Wang , Qiang Li , Sheng Yang

As the representations output by Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes important to ensure that these representations are fair and stable. In this work, we establish a key connection…

机器学习 · 计算机科学 2022-07-05 Chirag Agarwal , Himabindu Lakkaraju , Marinka Zitnik