Survey on deep learning-based point cloud compression

M Quach, J Pang, D Tian, G Valenzise… - Frontiers in Signal …, 2022 - frontiersin.org
Point clouds are becoming essential in key applications with advances in capture
technologies leading to large volumes of data. Compression is thus essential for storage …

Efficient projected frame padding for video-based point cloud compression

L Li, Z Li, S Liu, H Li - IEEE Transactions on Multimedia, 2020 - ieeexplore.ieee.org
The state-of-the-art 2D-based dynamic point cloud (DPC) compression algorithm is the
video-based point cloud compression (V-PCC) developed by the Moving Pictures Experts …

Lossless coding of point cloud geometry using a deep generative model

DT Nguyen, M Quach, G Valenzise… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper proposes a lossless point cloud (PC) geometry compression method that uses
neural networks to estimate the probability distribution of voxel occupancy. First, to take into …

Intra-frame compression of point cloud geometry using dyadic decomposition

E Peixoto - IEEE Signal Processing Letters, 2020 - ieeexplore.ieee.org
This letter presents a lossless intra coder of the geometry information of voxelized point
clouds. Instead of using the popular octree decomposition, the proposed method views the …

Fast run-length compression of point cloud geometry

DEO Tzamarias, K Chow, I Blanes… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
The increase in popularity of point-cloud-oriented applications has triggered the
development of specialized compression algorithms. In this paper, a novel algorithm is …

Lossy point cloud geometry compression via region-wise processing

W Zhu, Y Xu, D Ding, Z Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Point cloud geometry (PCG) is used to precisely represent arbitrary-shaped 3D objects and
scenes, is of great interest to vast applications which puts forward the pressing desire of high …

Silhouette 4D with context selection: Lossless geometry compression of dynamic point clouds

E Ramalho, E Peixoto… - IEEE Signal Processing …, 2021 - ieeexplore.ieee.org
Recently we have proposed a coding algorithm of point cloud geometry based on a rather
different approach from the popular octree representation. In our algorithm, the point cloud is …

Point cloud coding: A privileged view driven by a classification taxonomy

F Pereira, A Dricot, J Ascenso, C Brites - Signal Processing: Image …, 2020 - Elsevier
Humans mainly communicate among them and with the world around them using light and
vision, thus implying that visual representation technologies play a central role in human …

Motion estimation and coding structure for inter-prediction of LiDAR point cloud geometry

L Li, Z Li, S Liu, H Li - IEEE Transactions on Multimedia, 2021 - ieeexplore.ieee.org
In this paper, we investigate two fundamental problems of inter-prediction for Light Detection
and Ranging (LiDAR) point cloud geometries: motion estimation (ME) and coding structure …

Block-based inter-frame prediction for dynamic point cloud compression

C Santos, M Gonçalves, G Corrêa… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
In recent years, 3D point clouds have gained popularity thanks to technological advances
such as the increased computational power and the availability of low-cost devices for …