Feature graph learning for 3D point cloud denoising

W Hu, X Gao, G Cheung, Z Guo - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
Identifying an appropriate underlying graph kernel that reflects pairwise similarities is critical
in many recent graph spectral signal restoration schemes, including image denoising …

Point cloud denoising via feature graph laplacian regularization

C Dinesh, G Cheung, IV Bajić - IEEE Transactions on Image …, 2020 - ieeexplore.ieee.org
Point cloud is a collection of 3D coordinates that are discrete geometric samples of an
object's 2D surfaces. Imperfection in the acquisition process means that point clouds are …

Video-based point cloud compression artifact removal

A Akhtar, W Gao, L Li, Z Li, W Jia… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Photo-realistic point cloud capture and transmission are the fundamental enablers for
immersive visual communication. The coding process of dynamic point clouds, especially …

3D point cloud super-resolution via graph total variation on surface normals

C Dinesh, G Cheung, IV Bajić - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
Point cloud is a collection of 3D coordinates that are discrete geometric samples of an
object's 2D surfaces. Using a low-cost 3D scanner to acquire data means that point clouds …

Joint geometry and color point cloud denoising based on graph wavelets

MA Irfan, E Magli - IEEE Access, 2021 - ieeexplore.ieee.org
A point cloud is an effective 3D geometrical presentation of data paired with different
attributes such as transparency, normal and color of each point. The imperfect acquisition …

PathNet: Path-selective point cloud denoising

Z Wei, H Chen, L Nan, J Wang, J Qin… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Current point cloud denoising (PCD) models optimize single networks, trying to make their
parameters adaptive to each point in a large pool of point clouds. Such a denoising network …

Dynamic point cloud denoising via manifold-to-manifold distance

W Hu, Q Hu, Z Wang, X Gao - IEEE Transactions on Image …, 2021 - ieeexplore.ieee.org
3D dynamic point clouds provide a natural discrete representation of real-world objects or
scenes in motion, with a wide range of applications in immersive telepresence, autonomous …

Exploiting color for graph-based 3D point cloud denoising

MA Irfan, E Magli - Journal of Visual Communication and Image …, 2021 - Elsevier
A point cloud is a representation of a 3D scene as a discrete collection of geometry plus
other attributes such as color, normal, transparency associated with each point. The …

Super-resolution of 3D color point clouds via fast graph total variation

C Dinesh, G Cheung, IV Bajić - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
3D point clouds acquired by low-cost sensors are often in lower spatial resolutions than
desired for rendering images on high-resolution displays. In this paper, we propose a fast …

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 …