Not all points are equal: Learning highly efficient point-based detectors for 3d lidar point clouds

Y Zhang, Q Hu, G Xu, Y Ma, J Wan… - Proceedings of the …, 2022 - openaccess.thecvf.com
We study the problem of efficient object detection of 3D LiDAR point clouds. To reduce the
memory and computational cost, existing point-based pipelines usually adopt task-agnostic …

[HTML][HTML] Towards intelligent ground filtering of large-scale topographic point clouds: A comprehensive survey

N Qin, W Tan, H Guan, L Wang, L Ma, P Tao… - International Journal of …, 2023 - Elsevier
With the fast development of 3D data acquisition techniques, topographic point clouds have
become easier to acquire and have promoted many geospatial applications. Ground filtering …

[HTML][HTML] Deep-Learning-Based Point Cloud Semantic Segmentation: A Survey

R Zhang, Y Wu, W Jin, X Meng - Electronics, 2023 - mdpi.com
With the rapid development of sensor technologies and the widespread use of laser
scanning equipment, point clouds, as the main data form and an important information …

Stpls3d: A large-scale synthetic and real aerial photogrammetry 3d point cloud dataset

M Chen, Q Hu, Z Yu, H Thomas, A Feng, Y Hou… - arXiv preprint arXiv …, 2022 - arxiv.org
Although various 3D datasets with different functions and scales have been proposed
recently, it remains challenging for individuals to complete the whole pipeline of large-scale …

Openins3d: Snap and lookup for 3d open-vocabulary instance segmentation

Z Huang, X Wu, X Chen, H Zhao, L Zhu… - arXiv preprint arXiv …, 2023 - arxiv.org
Current 3D open-vocabulary scene understanding methods mostly utilize well-aligned 2D
images as the bridge to learn 3D features with language. However, applying these …

[HTML][HTML] Attention-based multi-level feature fusion for object detection in remote sensing images

X Dong, Y Qin, Y Gao, R Fu, S Liu, Y Ye - Remote Sensing, 2022 - mdpi.com
We study the problem of object detection in remote sensing images. As a simple but effective
feature extractor, Feature Pyramid Network (FPN) has been widely used in several generic …

[HTML][HTML] Comparison of 2D and 3D vegetation species mapping in three natural scenarios using UAV-LiDAR point clouds and improved deep learning methods

L Deng, B Fu, Y Wu, H He, W Sun, M Jia, T Deng… - International Journal of …, 2023 - Elsevier
Abstract Collaboration between Light Detection and Ranging (LiDAR) point clouds and
deep learning has been proven to be an effective approach for vegetation mapping. Current …

UrbanBIS: a large-scale benchmark for fine-grained urban building instance segmentation

G Yang, F Xue, Q Zhang, K Xie, CW Fu… - ACM SIGGRAPH 2023 …, 2023 - dl.acm.org
We present the UrbanBIS benchmark for large-scale 3D urban understanding, supporting
practical urban-level semantic and building-level instance segmentation. UrbanBIS …

Meta-rangeseg: Lidar sequence semantic segmentation using multiple feature aggregation

S Wang, J Zhu, R Zhang - IEEE Robotics and Automation …, 2022 - ieeexplore.ieee.org
LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent
robots. To fulfill the real-time requirements in real-world applications, it is necessary to …

Benchmarking the robustness of lidar semantic segmentation models

X Yan, C Zheng, Y Xue, Z Li, S Cui, D Dai - International Journal of …, 2024 - Springer
When using LiDAR semantic segmentation models for safety-critical applications such as
autonomous driving, it is essential to understand and improve their robustness with respect …