Dependence-based coarse-to-fine approach for reducing distortion accumulation in G-PCC attribute compression

T Guo, H Yuan, R Hamzaoui, X Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Geometry-based point cloud compression (G-PCC) is a state-of-the-art point cloud
compression standard. While G-PCC achieves excellent performance, its reliance on the …

Divide-and-conquer-based RDO-free CU partitioning for 8K video compression

H Yuan, W Gao, S Ma, Y Yan - ACM Transactions on Multimedia …, 2024 - dl.acm.org
8K (7689× 4320) ultra-high definition (UHD) videos are growing popular with the
improvement of human visual experience demand. Therefore, the compression of 8K UHD …

[HTML][HTML] Video big data in smart city: Background construction and optimization for surveillance video processing

L Tian, H Wang, Y Zhou, C Peng - Future Generation Computer Systems, 2018 - Elsevier
Transforming infrastructures, buildings and services with the sensed data from the Internet of
Things (IoT) technique has drawn wide attention. Enormous video data from city surveillance …

Video coding optimization in AVS2

Y Zhou, G Xu, K Tang, L Tian, Y Sun - Information Processing & …, 2022 - Elsevier
Chinese second generation of the Audio Video Coding Standard, known as the AVS2,
competing with HEVC/H. 265 and AV1, has become a well-known video compression …

Rate distortion optimization with adaptive content modeling for random-access versatile video coding

Y Chen, S Wang, H Ip, S Kwong - Information Sciences, 2023 - Elsevier
In this paper, we study the capability of improving the rate-distortion (RD) performance
based on the adaptive content modeling in the Versatile Video Coding (VVC) standard. In …

Temporally dependent rate-distortion optimization for low-delay hierarchical video coding

Y Gao, C Zhu, S Li, T Yang - IEEE Transactions on Image …, 2017 - ieeexplore.ieee.org
Low-delay hierarchical coding structure (LD-HCS), as one of the most important components
in the latest High Efficiency Video Coding (HEVC) standard, greatly improves coding …

Inter-block dependency-based CTU level rate control for HEVC

H Guo, C Zhu, M Xu, S Li - IEEE Transactions on Broadcasting, 2019 - ieeexplore.ieee.org
Although high efficiency video coding (HEVC) has achieved high coding performance, it has
been shown that dependent rate-distortion optimization (RDO) can still further improve the …

QA-Filter: A QP-adaptive convolutional neural network filter for video coding

C Liu, H Sun, J Katto, X Zeng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Convolutional neural network (CNN)-based filters have achieved great success in video
coding. However, in most previous works, individual models were needed for each …

Source distortion temporal propagation analysis for random-access hierarchical video coding optimization

Y Gao, C Zhu, S Li, T Yang - … on Circuits and Systems for Video …, 2017 - ieeexplore.ieee.org
Due to the widely used inter prediction in the current video coding standards, encoding units
in different frames is of temporal dependency in that the rate-distortion optimization (RDO) of …

Pre-encoding based temporal dependent rate–distortion optimization for HEVC

H Guo, C Zhu, M Ye, L Luo, X Yang - Signal Processing: Image …, 2023 - Elsevier
Rate–distortion optimization (RDO) is a crucial technique in block-based hybrid video
encoders, which determines the coding option for a certain coding unit to achieve optimal …