Deep learning for 3d point clouds: A survey

Y Guo, H Wang, Q Hu, H Liu, L Liu… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Point cloud learning has lately attracted increasing attention due to its wide applications in
many areas, such as computer vision, autonomous driving, and robotics. As a dominating …

Linking points with labels in 3D: A review of point cloud semantic segmentation

Y **e, J Tian, XX Zhu - IEEE Geoscience and remote sensing …, 2020 - ieeexplore.ieee.org
Ripe with possibilities offered by deep-learning techniques and useful in applications
related to remote sensing, computer vision, and robotics, 3D point cloud semantic …

Paconv: Position adaptive convolution with dynamic kernel assembling on point clouds

M Xu, R Ding, H Zhao, X Qi - Proceedings of the IEEE/CVF …, 2021 - openaccess.thecvf.com
Abstract We introduce Position Adaptive Convolution (PAConv), a generic convolution
operation for 3D point cloud processing. The key of PAConv is to construct the convolution …

Pct: Point cloud transformer

MH Guo, JX Cai, ZN Liu, TJ Mu, RR Martin… - Computational Visual …, 2021 - Springer
The irregular domain and lack of ordering make it challenging to design deep neural
networks for point cloud processing. This paper presents a novel framework named Point …

Walk in the cloud: Learning curves for point clouds shape analysis

T **ang, C Zhang, Y Song, J Yu… - Proceedings of the …, 2021 - openaccess.thecvf.com
Discrete point cloud objects lack sufficient shape descriptors of 3D geometries. In this paper,
we present a novel method for aggregating hypothetical curves in point clouds. Sequences …

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

Q Hu, B Yang, L **e, 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 …

Pointasnl: Robust point clouds processing using nonlocal neural networks with adaptive sampling

X Yan, C Zheng, Z Li, S Wang… - Proceedings of the IEEE …, 2020 - openaccess.thecvf.com
Raw point clouds data inevitably contains outliers or noise through acquisition from 3D
sensors or reconstruction algorithms. In this paper, we present a novel end-to-end network …

Deep learning on 3D point clouds

SA Bello, S Yu, C Wang, JM Adam, J Li - Remote Sensing, 2020 - mdpi.com
A point cloud is a set of points defined in a 3D metric space. Point clouds have become one
of the most significant data formats for 3D representation and are gaining increased …

Learning semantic segmentation of large-scale point clouds with random sampling

Q Hu, B Yang, L **e, S Rosa, Y Guo… - … on Pattern Analysis …, 2021 - ieeexplore.ieee.org
We study the problem of efficient semantic segmentation of large-scale 3D point clouds. By
relying on expensive sampling techniques or computationally heavy pre/post-processing …

Grid-gcn for fast and scalable point cloud learning

Q Xu, X Sun, CY Wu, P Wang… - Proceedings of the …, 2020 - openaccess.thecvf.com
Due to the sparsity and irregularity of the point cloud data, methods that directly consume
points have become popular. Among all point-based models, graph convolutional networks …