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Sampling-based path planning is a widely used method in robotics, particularly in high-dimensional state space. Among the whole process of the path planning, collision detection is the most time-consuming operation. In this paper, we…

Robotics · Computer Science 2023-11-23 Xingrong Diao , Wenzheng Chi , Jiankun Wang

Freespace detection is an essential component of autonomous driving technology and plays an important role in trajectory planning. In the last decade, deep learning-based free space detection methods have been proved feasible. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Chen Min , Weizhong Jiang , Dawei Zhao , Jiaolong Xu , Liang Xiao , Yiming Nie , Bin Dai

Millimeter wave (mmWave) MIMO will likely use hybrid analog and digital precoding, which uses a small number of RF chains to avoid energy consumption associated with mixed signal components like analog-to-digital components not to mention…

Information Theory · Computer Science 2015-07-17 Xinyu Gao , Linglong Dai , Shuangfeng Han , Chih-Lin I , Robert W. Heath

Multiplex graphs capture diverse relations among shared nodes. Most predictors either collapse layers or treat them independently. This loses crucial inter-layer dependencies and struggles with scalability. To overcome this, we frame…

Machine Learning · Computer Science 2025-09-30 Devesh Sharma , Aditya Kishore , Ayush Garg , Debajyoti Mazumder , Debasis Mohapatra , Jasabanta Patro

In recent years, graph neural networks (GNNs) combined with variants of recurrent neural networks (RNNs) have reached state-of-the-art performance in spatiotemporal forecasting tasks. This is particularly the case for traffic forecasting,…

Machine Learning · Computer Science 2022-09-09 Naghmeh Shafiee Roudbari , Zachary Patterson , Ursula Eicker , Charalambos Poullis

Obstacle detection in railway environments is crucial for ensuring safety. However, very few studies address the problem using a complete, modular, and flexible system that can both detect objects in the scene and estimate their distance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Enrico Francesco Giannico , Federico Nesti , Gianluca D'Amico , Mauro Marinoni , Edoardo Carosio , Filippo Salotti , Salvatore Sabina , Giorgio Buttazzo

In this paper, we focus on the design of the hybrid analog/digital precoding in millimeter wave multiple-input multiple-output (MIMO) systems. To reduce the feedback overhead, we propose two non-uniform quantization (NUQ) codebook based…

Information Theory · Computer Science 2019-01-03 Yun Chen , Da Chen , Tao Jiang

Vehicular sensing-based intelligence has made substantial progress in transportation systems, leading to higher levels of safety and sustainability for smart cities and autonomous systems. This paper proposes a new approach to learn an…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Saleemullah Memon , Ali Krayani , Pamela Zontone , Lucio Marcenaro , David Martin Gomez , Carlo Regazzoni

The current autonomous driving architecture places a heavy burden in signal processing for the graphics processing units (GPUs) in the car. This directly translates into battery drain and lower energy efficiency, crucial factors in electric…

Artificial Intelligence · Computer Science 2018-11-02 Nalin Jayaweera , Nandana Rajatheva , Matti Latva-aho

6G wireless technology is projected to adopt higher and wider frequency bands, enabled by highly directional beamforming. However, the vast bandwidths available also make the impact of beam squint in massive multiple input and multiple…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Beier Li , Mai Vu

3D object detection is essential in autonomous driving, providing vital information about moving objects and obstacles. Detecting objects in distant regions with only a few LiDAR points is still a challenge, and numerous strategies have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Qinghao Meng , Chenming Wu , Liangjun Zhang , Jianbing Shen

In mmWave wireless networks, signal blockages present a significant challenge due to the susceptibility to environmental moving obstructions. Recently, the availability of visual data has been leveraged to enhance blockage prediction…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Mohammad Ghassemi , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

Intersection scenarios provide the most complex traffic situations in Autonomous Driving and Driving Assistance Systems. Knowing where to stop in advance in an intersection is an essential parameter in controlling the longitudinal velocity…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Runsheng Xu , Faezeh Tafazzoli , Li Zhang , Timo Rehfeld , Gunther Krehl , Arunava Seal

Nowadays, Graph Neural Networks (GNNs) following the Message Passing paradigm become the dominant way to learn on graphic data. Models in this paradigm have to spend extra space to look up adjacent nodes with adjacency matrices and extra…

Machine Learning · Computer Science 2021-06-17 Yi Luo , Aiguo Chen , Ke Yan , Ling Tian

Road network graphs provide critical information for autonomous-vehicle applications, such as drivable areas that can be used for motion planning algorithms. To find road network graphs, manually annotation is usually inefficient and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Zhenhua Xu , Yuxuan Liu , Lu Gan , Yuxiang Sun , Xinyu Wu , Ming Liu , Lujia Wang

Despite the dominance of convolutional and transformer-based architectures in image-to-image retrieval, these models are prone to biases arising from low-level visual features, such as color. Recognizing the lack of semantic understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Nikolaos Chaidos , Angeliki Dimitriou , Maria Lymperaiou , Giorgos Stamou

Lane detection is crucial for vehicle localization which makes it the foundation for automated driving and many intelligent and advanced driving assistant systems. Available vision-based lane detection methods do not make full use of the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Ruohan Li , Yongqi Dong

This work focuses on distributed linear precoding when users transmit correlated information over a fading Multiple-Input and Multiple-Output Multiple Access Channel. Precoders are optimized in order to minimize the sum-Mean Square Error…

Information Theory · Computer Science 2024-01-31 P. Suárez-Casal , J. P. González-Coma , O. Fresnedo , L. Castedo

This paper presents a lidar-only state estimation and tracking framework, along with a roadside sensing unit for integration with existing urban infrastructure. Urban deployments demand scalable, real-time tracking solutions, yet…

Robotics · Computer Science 2025-09-25 Simon Schäfer , Bassam Alrifaee , Ehsan Hashemi

In the rapidly evolving field of autonomous driving, precise segmentation of LiDAR data is crucial for understanding complex 3D environments. Traditional approaches often rely on disparate, standalone codebases, hindering unified…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Jiahao Sun , Chunmei Qing , Xiang Xu , Lingdong Kong , Youquan Liu , Li Li , Chenming Zhu , Jingwei Zhang , Zeqi Xiao , Runnan Chen , Tai Wang , Wenwei Zhang , Kai Chen
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