An Optimization Algorithm for Color Table Coding of Palette for VVC Based on DPCM and CCLP

被引：0
|
作者：
Mo, Minghong [1 ]
Liang, Fan [1 ,3 ]
Wang, Jun [2 ,4 ]
机构：
[1] Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangzhou, Peoples R China
[2] Sun Yat Sen Univ, Sch Microelect Sci & Technol, Zhuhai, Peoples R China
[3] Peng Cheng Lab, Shenzhen, Peoples R China
[4] Southern Marine Sci & Engn Guangdong Lab, Zhuhai, Peoples R China
来源：
2022 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 22) | 2022年
关键词：
versatile video coding; screen content coding; palette; SCREEN CONTENT; PREDICTION;
D O I：
10.1109/ISCAS48785.2022.9937878
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：
Among the existing video applications, screen content videos occupy a large proportion. Therefore, how to effectively compress screen content according to its characteristics has been a hot topic in the field of video coding. Since palette mode is a core tool for screen content coding in the Versatile Video Coding (VVC) Standard, it is of great importance to optimize its performance. In this paper, we propose an optimization algorithm for palette color table coding. The algorithm improves the compression performance when encoding the palette color table by introducing two methods, namely differential pulse code modulation and crosscomponent linear prediction. Experimental results show that the algorithm is able to optimize the coding performance with almost no increase in encoding and decoding time.
引用
收藏
页码：3038 / 3042
页数：5
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