Results 61 to 70 of about 35,200,958 (80)

Scalable Graph-Guided Transformer for Point Cloud Geometry Coding

Attention models, particularly Transformers, have significantly advanced deep learning in fields like natural language processing and computer vision by capturing contextual relationships in both sequential and spatial data.
Guarda, André F. R., Ghafari, Mohammadreza, Pereira, Fernando, Rodrigues, Nuno M. M.   +3 more
core   +1 more source

Learning-Based Fast Coding Unit Prediction for Video-Based Point Cloud Compression

International audiencePoint cloud compression is essential for immersive media. V-PCC achieves efficient compression based on HEVC, yet its encoding process is computationally intensive.
Wang, Dayong, Zhou, Zeyu, Guo, Hui, Dufaux, Frédéric, Lu, Xin   +4 more
core   +2 more sources

Hierarchical Prior-based Super Resolution for Point Cloud Geometry Compression

The Geometry-based Point Cloud Compression (G-PCC) has been developed by the Moving Picture Experts Group to compress point clouds. In its lossy mode, the reconstructed point cloud by G-PCC often suffers from noticeable distortions due to the na\"{i}ve ...
Ma, Kede, Li, Ge, Li, Dingquan, Wang, Jing   +3 more
core  

LIFT-PCAC: LIFTING BASED POINT CLOUD ATTRIBUTE COMPRESSION

International audiencePoint cloud (PC) compression is crucial for efficient transmission and storage in applications like virtual and augmented reality, where point counts can reach millions. While learning-based methods have shown promise in compressing
Marvie, Jean-Eudes, Borba Pinheiro, Rodrigo, Dufaux, Frédéric, Valenzise, Giuseppe   +3 more
core   +1 more source

Rate-Distortion Optimal Transform Coefficient Selection for Unoccupied Regions in Video-Based Point Cloud Compression

IEEE Transactions on Circuits and Systems for Video Technology, 2022
This paper presents a novel method to determine rate-distortion optimized transform coefficients for efficient compression of videos generated from point clouds.
Christian Herglotz, André Kaup, Nils Genser   +2 more
exaly   +2 more sources

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Video-Based Point Cloud Compression Artifact Removal

IEEE Transactions on Multimedia, 2022
Zhu Li
exaly  

Occupancy-Map-Based Rate Distortion Optimization and Partition for Video-Based Point Cloud Compression

IEEE Transactions on Circuits and Systems for Video Technology, 2021
Zhu Li
exaly  

Quantitative Comparison of Point Cloud Compression Algorithms With PCC Arena

IEEE Transactions on Multimedia, 2023
Wei Tsang Ooi, Carsten Griwodz, Cheng-Hsin Hsu   +2 more
exaly  

Convolutional Neural Network-Based Occupancy Map Accuracy Improvement for Video-Based Point Cloud Compression

IEEE Transactions on Multimedia, 2022
Zhu Li
exaly  

Rate Control for Video-Based Point Cloud Compression

IEEE Transactions on Image Processing, 2020
Zhu Li, Houqiang Li
exaly