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Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

Integrating sensing and communication (ISAC) has emerged as a cornerstone technology for predictive beamforming in 6G-enabled vehicle-to-everything (V2X) networks. However, existing ISAC paradigms rely solely on radio frequency (RF) signal,…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Chen Shang , Dinh Thai Hoang , Jiadong Yu

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Semantic grids can be useful representations of the scene around an autonomous system. By having information about the layout of the space around itself, a robot can leverage this type of representation for crucial tasks such as navigation…

Sensing the medical scenario can ensure the safety during the surgical operations. So, in this regard, a monitor platform which can obtain the accurate location information of the surgery room is desperately needed. Compared to 2D camera…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Ke Wang , Han Song , Jiahui Zhang , Xinran Zhang , Hongen Liao

High-quality surface normal can help improve geometry estimation in problems faced by autonomous vehicles, such as collision avoidance and occlusion inference. While a considerable volume of literature focuses on densely scanned indoor…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Ancheng Lin , Jun Li , Yusheng Xiang , Wei Bian , Mukesh Prasad

Integrating AI into the physical layer is a cornerstone of 6G networks. However, current data-driven approaches struggle to generalize across dynamic environments because they lack an intrinsic understanding of electromagnetic wave…

Networking and Internet Architecture · Computer Science 2026-03-27 Ziqi Chen , Yi Ren , Yixuan Huang , Qi Sun , Nan Li , Yuhong Huang , Chih-Lin I , Yifan Li , Liang Xia

This paper introduces a deep learning framework for generating point clouds from WiFi Channel State Information data. We employ a two-stage autoencoder approach: a PointNet autoencoder with convolutional layers for point cloud generation,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Daniele Pannone , Danilo Avola

Simulating realistic sensors is a challenging part in data generation for autonomous systems, often involving carefully handcrafted sensor design, scene properties, and physics modeling. To alleviate this, we introduce a pipeline for…

With the objective of improving the registration of LiDAR point clouds produced by kinematic scanning systems, we propose a novel trajectory adjustment procedure that leverages on the automated extraction of selected reliable 3D…

Robotics · Computer Science 2022-01-04 Aurélien Brun , Davide Antonio Cucci , Jan Skaloud

In wireless networks, applying deep learning models to solve matching problems between different entities has become a mainstream and effective approach. However, the complex network topology in 6G multiple access presents significant…

Networking and Internet Architecture · Computer Science 2024-11-08 Xudong Wang , Hongyang Du , Dusit Niyato , Lijie Zhou , Lei Feng , Zhixiang Yang , Fanqin Zhou , Wenjing Li

We present RadarGen, a diffusion model for synthesizing realistic automotive radar point clouds from multi-view camera imagery. RadarGen adapts efficient image-latent diffusion to the radar domain by representing radar measurements in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Tomer Borreda , Fangqiang Ding , Sanja Fidler , Shengyu Huang , Or Litany

LiDAR point cloud semantic segmentation is essential for interpreting 3D environments in applications such as autonomous driving and robotics. Recent methods achieve strong performance by exploiting different point cloud representations or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Simone Mosco , Daniel Fusaro , Wanmeng Li , Emanuele Menegatti , Alberto Pretto

Semantic segmentation of 3D LiDAR point clouds is important in urban remote sensing for understanding real-world street environments. This task, by projecting LiDAR point clouds and 3D semantic labels as sparse maps, can be reformulated as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Xiaoyu Dong , Tiankui Xian , Wanshui Gan , Naoto Yokoya

As generative artificial intelligence (GAI) models continue to evolve, their generative capabilities are increasingly enhanced and being used extensively in content generation. Beyond this, GAI also excels in data modeling and analysis,…

Signal Processing · Electrical Eng. & Systems 2023-10-31 Jiacheng Wang , Hongyang Du , Dusit Niyato , Jiawen Kang , Shuguang Cui , Xuemin Shen , Ping Zhang

A considerable amount of research is concerned with the generation of realistic sensor data. LiDAR point clouds are generated by complex simulations or learned generative models. The generated data is usually exploited to enable or improve…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Larissa T. Triess , Christoph B. Rist , David Peter , J. Marius Zöllner

Collaborative perception enables more accurate and comprehensive scene understanding by learning how to share information between agents, with LiDAR point clouds providing essential precise spatial data. Due to the substantial data volume…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Ensong Liu , Rongqing Zhang , Xiang Cheng , Jian Tang

Future wireless networks aim to deliver high data rates and lower power consumption while ensuring seamless connectivity, necessitating robust optimization. Large language models (LLMs) have been deployed for generalized optimization…

Networking and Internet Architecture · Computer Science 2025-03-12 Muhammad Ahmed Mohsin , Ahsan Bilal , Sagnik Bhattacharya , John M. Cioffi

This paper presents Multimodal-Wireless, a large-scale open-source dataset for multimodal sensing and communication research. The dataset is generated through an integrated and customizable data pipeline built upon the CARLA simulator and…

Signal Processing · Electrical Eng. & Systems 2026-02-12 Tianhao Mao , Le Liang , Jie Yang , Hao Ye , Shi Jin , Geoffrey Ye Li

Environment-aware 6G wireless networks demand the deep integration of multimodal and wireless data. However, most existing datasets are confined to 2D terrestrial far-field scenarios, lacking the 3D spatial context and near-field…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Mengyuan Li , Qianfan Lu , Jiachen Tian , Hongjun Hu , Yu Han , Xiao Li , Chao-Kai Wen , Shi Jin