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 …

Fractional super-resolution of voxelized point clouds

TM Borges, DC Garcia… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We present a method to super-resolve voxelized point clouds downsampled by a fractional
factor, using lookup-tables (LUT) constructed from self-similarities from their own …

Super-resolution 3D human shape from a single low-resolution image

M Pesavento, M Volino, A Hilton - European Conference on Computer …, 2022 - Springer
We propose a novel framework to reconstruct super-resolution human shape from a single
low-resolution input image. The approach overcomes limitations of existing approaches that …

A comparative measurement study of point cloud-based volumetric video codecs

M Yang, Z Luo, M Hu, M Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Volumetric video is fully three-dimensional and immersive, which shows great potential in
various application scenarios. However, the naive delivery of volumetric video over the …

Graph signal restoration using nested deep algorithm unrolling

M Nagahama, K Yamada, Y Tanaka… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Graph signal processing is a ubiquitous task in many applications such as sensor, social,
transportation and brain networks, point cloud processing, and graph neural networks …

Point cloud sampling via graph balancing and Gershgorin disc alignment

C Dinesh, G Cheung, IV Bajić - IEEE Transactions on Pattern …, 2022 - ieeexplore.ieee.org
Point cloud (PC)—a collection of discrete geometric samples of a 3D object's surface—is
typically large, which entails expensive subsequent operations. Thus, PC sub-sampling is of …

Point cloud video super-resolution via partial point coupling and graph smoothness

C Dinesh, G Cheung, IV Bajić - IEEE Transactions on Image …, 2022 - ieeexplore.ieee.org
Point cloud (PC) is a collection of discrete geometric samples of a physical object in 3D
space. A PC video consists of temporal frames evenly spaced in time, each containing a …

GaussianPU: A Hybrid 2D-3D Upsampling Framework for Enhancing Color Point Clouds via 3D Gaussian Splatting

Z Guo, Y Xie, W Xie, P Huang, F Ma, FR Yu - arXiv preprint arXiv …, 2024 - arxiv.org
Dense colored point clouds enhance visual perception and are of significant value in
various robotic applications. However, existing learning-based point cloud upsampling …

PU-refiner: A geometry refiner with adversarial learning for point cloud upsampling

H Liu, H Yuan, R Hamzaoui, W Gao… - ICASSP 2022-2022 …, 2022 - ieeexplore.ieee.org
We present PU-Refiner, a generative adversarial network for point cloud upsampling. The
generator of our network includes a coarse feature expansion module to create coarse …

PU-Mask: 3D Point Cloud Upsampling via an Implicit Virtual Mask

H Liu, H Yuan, R Hamzaoui, Q Liu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We present PU-Mask, a virtual mask-based network for 3D point cloud upsampling. Unlike
existing upsampling methods, which treat point cloud upsampling as an “unconstrained …