Most frequent mode for intra-mode coding in video coding

被引：7

作者：

Yoon, Y. -U. ^{[1
]}

Park, D. -H. ^{[1
]}

Kim, J. -G. ^{[1
]}

Lee, J. ^{[2
]}

Kang, J. ^{[2
]}

机构：

[1] Korea Aerosp Univ, Dept Elect & Informat Engn, Goyang, South Korea

[2] ETRI, Broadcasting Media Res Lab, Daejeon, South Korea

来源：

ELECTRONICS LETTERS | 2019年 / 55卷 / 04期

关键词：

Forecasting - Encoding (symbols) - Video signal processing;

D O I：

10.1049/el.2018.7452

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The emerging versatile video coding (VVC) standard currently adopts 67 intra-prediction modes in order to improve the intra-prediction performance. The most probable mode (MPM) is used in video coding to encode the prediction mode efficiently based on the modes of the neighbouring blocks. Due to an increase in the number of intra-modes and increase in the resolution of the input sequence, it is necessary to efficiently encode the intra-mode of the current block. This Letter proposes an efficient intra-mode coding method extending MPM called most frequent mode (MFM), which exploits the number of occurrences of the modes in the neighbouring blocks. The proposed MFM derives the most frequent intra-mode. Then the derived MFM is signaled by a flag with a higher priority than MPM. Experimental results show that, compared to the test model of VVC (VTM), the proposed method gives up to 0.48% Bjotegaard-Delta-rate savings for the all-intra-configuration.

引用

页码：188 / 189

页数：2