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We propose a novel spatially-correlative loss that is simple, efficient and yet effective for preserving scene structure consistency while supporting large appearance changes during unpaired image-to-image (I2I) translation. Previous…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Chuanxia Zheng , Tat-Jen Cham , Jianfei Cai

Enhancing 3D and Z-axis positioning accuracy is crucial for effective rescue in indoor emergencies, ensuring safety for emergency responders and at-risk individuals. Additionally, reducing the dependence of a positioning system on fixed…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Gaurav Duggal , R. Michael Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

Since the orthogonality of the line-of-sight multiple input multiple output (LoS MIMO) channel is only available within the Rayleigh distance, coverage of communication systems is restricted due to the finite implementation spacing of…

Information Theory · Computer Science 2022-10-20 Ning Wei , Shuangqing Tang , Zeyuan Zhang

The impact of buildings blockage on the UAVs communications in different UAVs heights is studied, when UAVs fly in a given rectangular urban area. This paper analyzes the properties of blockage behavior of communication links between UAVs…

Information Theory · Computer Science 2018-05-14 Zhi Yang , Lai Zhou , Guangyue Zhao , Shidong Zhou

In order to plan a safe maneuver an autonomous vehicle must accurately perceive its environment, and understand the interactions among traffic participants. In this paper, we aim to learn scene-consistent motion forecasts of complex urban…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Sergio Casas , Cole Gulino , Simon Suo , Katie Luo , Renjie Liao , Raquel Urtasun

The integration of Non-Terrestrial Networks (NTNs) into 6G networks is one of the most promising ways to achieve significant improvements in capacity, reliability, and global coverage. The design of NTN heavily relies on using channel…

Systems and Control · Electrical Eng. & Systems 2023-04-03 Abdul Saboor , Evgenii Vinogradov , Zhuangzhuang Cui , Sofie Pollin

LiDAR (Light Detection and Ranging) has become an essential part of the remote sensing toolbox used for biosphere monitoring. In particular, LiDAR provides the opportunity to map forest leaf area with unprecedented accuracy, while leaf area…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yuchen Bai , Jean-Baptiste Durand , Grégoire Vincent , Florence Forbes

It's a practical approach using the ground-aerial collaborative system to enhance the localization robustness of flying robots in cluttered environments, especially when visual sensors degrade. Conventional approaches estimate the flying…

Robotics · Computer Science 2025-12-19 Sijia Chen , Wei Dong

Vehicle platooning is considered as one of the key use cases for vehicle-to-vehicle (V2V) communications. However, its benefits can be realized only with highly reliable wireless transmission. As the 5.9GHz frequency band used for V2V…

Networking and Internet Architecture · Computer Science 2022-11-08 Pawel Kryszkiewicz , Pawel Sroka , Michal Sybis , Adrian Kliks

We are interested in the assessment of electromagnetic Path-Loss in complex environments. The Path-loss is the attenuation function $P$ of the electromagnetic power at a distance $d$ of an antenna. In free-space, $P(d) \propto 1/d^2$, in…

Probability · Mathematics 2016-04-05 Thomas Courtat , Laurent Decreusefond , Phillipe Martins

Uncrewed Aerial Vehicle (UAV) networks require accurate Air-to-Air (A2A) channel models, but most existing work focuses on Air-to-Ground links and leaves the sub-6 GHz A2A channel poorly characterized. We present preliminary 3.4 GHz A2A…

Signal Processing · Electrical Eng. & Systems 2026-04-03 Anıl Gürses , John Kesler , Mihail L. Sichitiu

Accurate localization is essential for the safe and effective navigation of autonomous vehicles, and Simultaneous Localization and Mapping (SLAM) is a cornerstone technology in this context. However, The performance of the SLAM system can…

Robotics · Computer Science 2025-03-03 Hui Lai , Qi Chen , Junping Zhang , Jian Pu

3D Gaussian Splatting (3DGS) has recently emerged as a powerful explicit representation enabling fast, high-fidelity rendering, making it a promising foundation for closed-loop simulators and perception models in autonomous driving.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Kota Shimomura , Hidehisa Arai , Tsubasa Takahashi , Takayoshi Yamashita , Hironobu Fujiyoshi

Unmanned Aerial Vehicles (UAVs) offer promising potential as communications node carriers, providing on-demand wireless connectivity to users. While existing literature presents various wireless channel models, it often overlooks the impact…

Networking and Internet Architecture · Computer Science 2024-05-03 Kamran Shafafi , Eduardo Nuno Almeida , André Coelho , Helder Fontes , Manuel Ricardo , Rui Campos

This paper considers an unmanned aerial vehicle (UAV)-enabled wireless sensor network (WSN) in urban areas, where a UAV is deployed to collect data from distributed sensor nodes (SNs) within a given duration. To characterize the occasional…

Information Theory · Computer Science 2020-01-03 Changsheng You , Rui Zhang

Unmanned aerial vehicles (UAVs) have recently found abundant applications in the public and civil domains. To ensure reliable control and navigation, connecting UAVs to controllers via existing cellular network infrastructure, i.e., ground…

Information Theory · Computer Science 2019-02-01 Xianghao Yu , Jun Zhang , Robert Schober , Khaled B. Letaief

In this paper, we propose a 3D LiDAR aided global navigation satellite system (GNSS) non-line-of-sight (NLOS) mitigation method caused by both static buildings and dynamic objects. A sliding window map describing the surrounding of the…

Robotics · Computer Science 2021-12-14 Weisong Wen , Li-Ta Hsu

Uncrewed aerial vehicles (UAVs) have emerged as a flexible platform for providing coverage over challenging environments, particularly for public safety and surveillance missions in urban areas. However, deploying the UAVs in dense urban…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Donggu Lee , Sung Joon Maeng , Ismail Guvenc

In image segmentation, there is often more than one plausible solution for a given input. In medical imaging, for example, experts will often disagree about the exact location of object boundaries. Estimating this inherent uncertainty and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Miguel Monteiro , Loïc Le Folgoc , Daniel Coelho de Castro , Nick Pawlowski , Bernardo Marques , Konstantinos Kamnitsas , Mark van der Wilk , Ben Glocker

Given their extensive geographic coverage, low Earth orbit (LEO) satellites are envisioned to find their way into next-generation (6G) wireless communications. This paper explores space-air-ground integrated networks (SAGINs) leveraging…

Information Theory · Computer Science 2024-12-24 Chao Zhang , Qingchao Li , Chao Xu , Lie-Liang Yang , Lajos Hanzo