Tile-Based Wireless Streaming of 360-Degree Video With Rate Adaptation Using Viewport Estimation

被引：1

作者：

Im, Yeohee ^{[1
]}

Qiu, Tian ^{[1
]}

Milstein, Laurence B. B. ^{[1
]}

Cosman, Pamela C. C. ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

来源：

IEEE SIGNAL PROCESSING LETTERS | 2022年 / 29卷

关键词：

Forward error correction; 360-degree video; tile-based streaming; viewport estimation; UNEQUAL ERROR PROTECTION; ALGORITHM;

D O I：

10.1109/LSP.2022.3233006

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：

This letter presents tile-based wireless streaming of 360-degree videos with rate adaptation using viewport estimation. We propose a probabilistic model for viewport location to design importance weights of tiles. Based on the tile weights, we improve the streaming performance by dynamically adjusting quantization parameters and forward error correction rates across tiles.

引用

页码：2707 / 2711

页数：5

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