Unsupervised point cloud representation learning with deep neural networks: A survey

A Xiao, J Huang, D Guan, X Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Point cloud data have been widely explored due to its superior accuracy and robustness
under various adverse situations. Meanwhile, deep neural networks (DNNs) have achieved …

Surface form inspection with contact coordinate measurement: a review

Y Shen, J Ren, N Huang, Y Zhang… - International Journal of …, 2023 - iopscience.iop.org
Parts with high-quality freeform surfaces have been widely used in industries, which require
strict quality control during the manufacturing process. Among all the industrial inspection …

Pufa-gan: A frequency-aware generative adversarial network for 3d point cloud upsampling

H Liu, H Yuan, J Hou, R Hamzaoui… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We propose a generative adversarial network for point cloud upsampling, which can not
only make the upsampled points evenly distributed on the underlying surface but also …

Pointmixer: Mlp-mixer for point cloud understanding

J Choe, C Park, F Rameau, J Park… - European Conference on …, 2022 - Springer
MLP-Mixer has newly appeared as a new challenger against the realm of CNNs and
Transformer. Despite its simplicity compared to Transformer, the concept of channel-mixing …

Learning a more continuous zero level set in unsigned distance fields through level set projection

J Zhou, B Ma, S Li, YS Liu… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Latest methods represent shapes with open surfaces using unsigned distance functions
(UDFs). They train neural networks to learn UDFs and reconstruct surfaces with the …

Grad-pu: Arbitrary-scale point cloud upsampling via gradient descent with learned distance functions

Y He, D Tang, Y Zhang, X Xue… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Most existing point cloud upsampling methods have roughly three steps: feature extraction,
feature expansion and 3D coordinate prediction. However, they usually suffer from two …

Hyperbolic chamfer distance for point cloud completion

F Lin, Y Yue, S Hou, X Yu, Y Xu… - Proceedings of the …, 2023 - openaccess.thecvf.com
Chamfer distance (CD) is a standard metric to measure the shape dissimilarity between
point clouds in point cloud completion, as well as a loss function for (deep) learning …

Patchformer: An efficient point transformer with patch attention

C Zhang, H Wan, X Shen, Z Wu - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
The point cloud learning community is witnesses a modeling shift from CNNs to
Transformers, where pure Transformer architectures have achieved top accuracy on the …

Pu-transformer: Point cloud upsampling transformer

S Qiu, S Anwar, N Barnes - Proceedings of the Asian …, 2022 - openaccess.thecvf.com
Given the rapid development of 3D scanners, point clouds are becoming popular in AI-
driven machines. However, point cloud data is inherently sparse and irregular, causing …

IterativePFN: True iterative point cloud filtering

D de Silva Edirimuni, X Lu, Z Shao… - Proceedings of the …, 2023 - openaccess.thecvf.com
The quality of point clouds is often limited by noise introduced during their capture process.
Consequently, a fundamental 3D vision task is the removal of noise, known as point cloud …