GQE-Net: a graph-based quality enhancement network for point cloud color attribute

J Xing, H Yuan, R Hamzaoui, H Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In recent years, point clouds have become increasingly popular for representing three-
dimensional (3D) visual objects and scenes. To efficiently store and transmit point clouds …

Rate-distortion optimized quantization for geometry-based point cloud compression

T Guo, H Yuan, L Wang, T Wang - Journal of Electronic …, 2023 - spiedigitallibrary.org
Limited by the network bandwidth, three-dimensional (3D) point cloud needs to be efficiently
compressed before transmission. As one of the three attribute coding methods adopted in …

Cav3: Cache-assisted viewport adaptive volumetric video streaming

J Liu, B Zhu, F Wang, Y Jin, W Zhang… - … Virtual Reality and …, 2023 - ieeexplore.ieee.org
Volumetric video (VV) recently emerges as a new form of video application providing a
photorealistic immersive 3D viewing experience with 6 degree-of-freedom (DoF), which …

C2SPoint: A classification-to-saliency network for point cloud saliency detection

Z Jiang, L Ding, GKL Tam, C Song, FWB Li… - Computers & Graphics, 2023 - Elsevier
Point cloud saliency detection is an important technique that support downstream tasks in
3D graphics and vision, like 3D model simplification, compression, reconstruction and …

G-PCC++: Enhanced Geometry-based Point Cloud Compression

J Zhang, T Chen, D Ding, Z Ma - Proceedings of the 31st ACM …, 2023 - dl.acm.org
MPEG Geometry-based Point Cloud Compression (G-PCC) standard is developed for lossy
encoding of point clouds to enable immersive services over the Internet. However, lossy G …

Fast inter-frame motion prediction for compressed dynamic point cloud attribute enhancement

W Liu, W Gao, X Mu - Proceedings of the AAAI Conference on Artificial …, 2024 - ojs.aaai.org
Recent years have witnessed the success of deep learning methods in quality enhancement
of compressed point cloud. However, existing methods focus on geometry and attribute …

Hierarchical Prior-based Super Resolution for Point Cloud Geometry Compression

D Li, K Ma, J Wang, G Li - IEEE Transactions on Image …, 2024 - ieeexplore.ieee.org
The Geometry-based Point Cloud Compression (G-PCC) has been developed by the
Moving Picture Experts Group to compress point clouds efficiently. Nevertheless, in its lossy …

Saliency-aware spatio-temporal artifact detection for compressed video quality assessment

L Lin, Y Zheng, W Chen, C Lan… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
Compressed videos often exhibit visually annoying artifacts, known as Perceivable
Encoding Artifacts (PEAs), which dramatically degrade video visual quality. Subjective and …

Graph-based point cloud color denoising with 3-dimensional patch-based similarity

R Watanabe, K Nonaka, E Pavez… - ICASSP 2023-2023 …, 2023 - ieeexplore.ieee.org
Point clouds are utilized in many 3-D applications such as cross-reality (XR) and realistic 3-
D display. They consist of a set of points with 3-D coordinates and associated color signals …

fast graph-based denoising for point cloud color information

R Watanabe, K Nonaka, E Pavez… - ICASSP 2024-2024 …, 2024 - ieeexplore.ieee.org
Point clouds are utilized in various 3D applications such as cross-reality (XR) and realistic
3D displays. In some applications, eg, for live streaming using a 3D point cloud, real-time …