5 papers · 1 filter
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…
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…
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,…
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…
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…