Towards semantic segmentation of urban-scale 3D point clouds: A dataset, benchmarks and challenges

Q Hu, B Yang, S Khalid, W Xiao… - Proceedings of the …, 2021 - openaccess.thecvf.com
An essential prerequisite for unleashing the potential of supervised deep learning
algorithms in the area of 3D scene understanding is the availability of large-scale and richly …

Semantic segmentation on Swiss3DCities: A benchmark study on aerial photogrammetric 3D pointcloud dataset

G Can, D Mantegazza, G Abbate, S Chappuis… - Pattern Recognition …, 2021 - Elsevier
We introduce a new outdoor urban 3D pointcloud dataset, covering a total area of 2.7 km 2,
sampled from three Swiss cities with different characteristics. The dataset is manually …

Pyramid scene parsing network in 3D: Improving semantic segmentation of point clouds with multi-scale contextual information

H Fang, F Lafarge - Isprs journal of photogrammetry and remote sensing, 2019 - Elsevier
Analyzing and extracting geometric features from 3D data is a fundamental step in 3D scene
understanding. Recent works demonstrated that deep learning architectures can operate …

Semantic segmentation for real point cloud scenes via bilateral augmentation and adaptive fusion

S Qiu, S Anwar, N Barnes - … of the IEEE/CVF Conference on …, 2021 - openaccess.thecvf.com
Given the prominence of current 3D sensors, a fine-grained analysis on the basic point
cloud data is worthy of further investigation. Particularly, real point cloud scenes can …

SCF-Net: Learning spatial contextual features for large-scale point cloud segmentation

S Fan, Q Dong, F Zhu, Y Lv, P Ye… - Proceedings of the …, 2021 - openaccess.thecvf.com
How to learn effective features from large-scale point clouds for semantic segmentation has
attracted increasing attention in recent years. Addressing this problem, we propose a …

SAT3D: Slot attention transformer for 3D point cloud semantic segmentation

M Ibrahim, N Akhtar, S Anwar… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Semantic segmentation of 3D point cloud is a key task in numerous intelligent transportation
system applications, eg, self-driving vehicles, traffic monitoring. Due to the sparsity and …

Randla-net: Efficient semantic segmentation of large-scale point clouds

Q Hu, B Yang, L Xie, S Rosa, Y Guo… - Proceedings of the …, 2020 - openaccess.thecvf.com
We study the problem of efficient semantic segmentation for large-scale 3D point clouds. By
relying on expensive sampling techniques or computationally heavy pre/post-processing …

Improving performance of deep learning models for 3D point cloud semantic segmentation via attention mechanisms

V Vanian, G Zamanakos, I Pratikakis - Computers & Graphics, 2022 - Elsevier
Abstract 3D Semantic segmentation is a key element for a variety of applications in robotics
and autonomous vehicles. For such applications, 3D data are usually acquired by LiDAR …

Graph attention convolution for point cloud semantic segmentation

L Wang, Y Huang, Y Hou, S Zhang… - Proceedings of the …, 2019 - openaccess.thecvf.com
Standard convolution is inherently limited for semantic segmentation of point cloud due to its
isotropy about features. It neglects the structure of an object, results in poor object …

[HTML][HTML] NeiEA-NET: Semantic segmentation of large-scale point cloud scene via neighbor enhancement and aggregation

Y Xu, W Tang, Z Zeng, W Wu, J Wan, H Guo… - International Journal of …, 2023 - Elsevier
Abstract 3D point cloud semantic segmentation is crucial for 3D environment perception and
scene understanding, where learning of local context in point clouds is a crucial challenge …