activity
20222025
most citedComparison of Middlewares in Edge-to-Edge and Edge-to-Cloud Communication for Distributed ROS2 Systems

35 citations · 36 across the 5 of their papers we have counts for

collaborators

7 papers

cs.RO2025

Seamless Outdoor-Indoor Pedestrian Positioning System with GNSS/UWB/IMU Fusion: A Comparison of EKF, FGO, and PF

Jiaqiang Zhang, Xianjia Yu, Sier Ha +5

Accurate and continuous pedestrian positioning across outdoor-indoor environments remains challenging because GNSS, UWB, and inertial PDR are complementary yet individually fragile…

cs.RO2025

Lidar Variability: A Novel Dataset and Comparative Study of Solid-State and Spinning Lidars

Doumegna Mawuto Koudjo Felix, Xianjia Yu, Jiaqiang Zhang +3

Lidar technology has been widely employed across various applications, such as robot localization in GNSS-denied environments and 3D reconstruction. Recent advancements have introd…

cs.RO2025

Enhancing Lidar Point Cloud Sampling via Colorization and Super-Resolution of Lidar Imagery

Sier Ha, Honghao Du, Xianjia Yu +1

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity,…

cs.RO2024

Analysis of Deep Learning-Based Colorization and Super-Resolution Techniques for Lidar Imagery

Sier Ha, Honghao Du, Xianjia Yu +2

Modern lidar systems can produce not only dense point clouds but also 360 degrees low-resolution images. This advancement facilitates the application of deep learning (DL) techniqu…

cs.RO2023

LiDAR-Generated Images Derived Keypoints Assisted Point Cloud Registration Scheme in Odometry Estimation

Haizhou Zhang, Xianjia Yu, Sier Ha +1

Keypoint detection and description play a pivotal role in various robotics and autonomous applications including visual odometry (VO), visual navigation, and Simultaneous localizat…

cs.RO2023★ 35 cited

Comparison of Middlewares in Edge-to-Edge and Edge-to-Cloud Communication for Distributed ROS2 Systems

Jiaqiang Zhang, Xianjia Yu, Sier Ha +2

The increased data transmission and number of devices involved in communications among distributed systems make it challenging yet significantly necessary to have an efficient and…

cs.RO2022★ 1 cited

A Benchmark for Multi-Modal Lidar SLAM with Ground Truth in GNSS-Denied Environments

Ha Sier, Li Qingqing, Yu Xianjia +3

Lidar-based simultaneous localization and mapping (SLAM) approaches have obtained considerable success in autonomous robotic systems. This is in part owing to the high-accuracy of…