Optimizing rate control model for screen content video in VVC

Wei Liu; Jing Chen; Xueyuan Shen; Shiping Wang; Tingkai Zhou

doi:10.1117/12.3004723

20 October 2023 Optimizing rate control model for screen content video in VVC

Wei Liu, Jing Chen, Xueyuan Shen, Shiping Wang, Tingkai Zhou

Proceedings Volume 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023); 129160W (2023) https://doi.org/10.1117/12.3004723
Event: Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 2023, Kunming, China

Abstract

Screen content video (SCV) distinguished from traditional natural video by its unique features, such as rich texture edges and flat areas. However, existing rate control algorithms are better fit for natural video than for SCV. A novel rate control (RC) algorithm for screen content coding (SCC) in Versatile Video Coding (VVC) is proposed in this paper. Specifically, spatial-temporal features at both CTU and frame levels of adjacent original and reconstructed frames are calculated based on 3D-LOG filter to guide bit allocation in CTU level. Considering the visual characteristics of human vision system, the rate distortion (R-D) model is redesigned. Extensive experimental results demonstrate the effectiveness of the proposed method, which improves the R-D performance and the accuracy of the bit-rate control.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Wei Liu, Jing Chen, Xueyuan Shen, Shiping Wang, and Tingkai Zhou "Optimizing rate control model for screen content video in VVC", Proc. SPIE 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 129160W (20 October 2023); https://doi.org/10.1117/12.3004723

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KEYWORDS

Video

Displays

Photonic integrated circuits

Video coding

Distortion

Feature extraction

Visualization

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