Super odometry: Imu-centric lidar-visual-inertial estimator for challenging environments

S Zhao, H Zhang, P Wang, L Nogueira… - 2021 IEEE/RSJ …, 2021 - ieeexplore.ieee.org
We propose Super Odometry, a high-precision multi-modal sensor fusion framework,
providing a simple but effective way to fuse multiple sensors such as LiDAR, camera, and …

[HTML][HTML] Machine learning-based classification of rock discontinuity trace: SMOTE oversampling integrated with GBT ensemble learning

J Chen, H Huang, AG Cohn, D Zhang… - International Journal of …, 2022 - Elsevier
This paper presents a hybrid ensemble classifier combined synthetic minority oversampling
technique (SMOTE), random search (RS) hyper-parameters optimization algorithm and …

Weakly supervised 3d scene segmentation with region-level boundary awareness and instance discrimination

K Liu, Y Zhao, Q Nie, Z Gao, BM Chen - European conference on computer …, 2022 - Springer
Current state-of-the-art 3D scene understanding methods are merely designed in a full-
supervised way. However, in the limited reconstruction cases, only limited 3D scenes can be …

Fg-net: A fast and accurate framework for large-scale lidar point cloud understanding

K Liu, Z Gao, F Lin, BM Chen - IEEE transactions on …, 2022 - ieeexplore.ieee.org
This work presents FG-Net, a general deep learning framework for large-scale point cloud
understanding without voxelizations, which achieves accurate and real-time performance …

Fast and accurate desnowing algorithm for LiDAR point clouds

JI Park, J Park, KS Kim - IEEE Access, 2020 - ieeexplore.ieee.org
LiDAR sensors have the advantage of being able to generate high-resolution imaging
quickly during both day and night; however, their performance is severely limited in adverse …

Deep compression for dense point cloud maps

L Wiesmann, A Milioto, X Chen… - IEEE Robotics and …, 2021 - ieeexplore.ieee.org
Many modern robotics applications rely on 3D maps of the environment. Due to the large
memory requirements of dense 3D maps, compression techniques are often necessary to …

Locndf: Neural distance field mapping for robot localization

L Wiesmann, T Guadagnino, I Vizzo… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Mapping an environment is essential for several robotic tasks, particularly for localization. In
this letter, we address the problem of mapping the environment using LiDAR point clouds …

A network-level sidewalk inventory method using mobile LiDAR and deep learning

Q Hou, C Ai - Transportation research part C: emerging technologies, 2020 - Elsevier
Sidewalks are a critical infrastructure to facilitate essential daily trips for pedestrian and
wheelchair users. The dependence on the infrastructure and the increasing demand from …

Towards semi-automatic discontinuity characterization in rock tunnel faces using 3D point clouds

J Chen, H Huang, M Zhou, K Chaiyasarn - Engineering Geology, 2021 - Elsevier
Searching for an efficient and reliable method to reduce manual intervention and subjective
parameter selection during the discontinuity characterization process of rock tunnel faces is …

Weaklabel3d-net: A complete framework for real-scene lidar point clouds weakly supervised multi-tasks understanding

K Liu, Y Zhao, Z Gao, BM Chen - 2022 international conference …, 2022 - ieeexplore.ieee.org
Existing state-of-the-art 3D point clouds understanding methods only perform well in a fully
supervised manner. To the best of our knowledge, there exists no unified framework which …