Selection of the most efficient tile size in tile-based cylinder panoramic video coding and transmission

被引：1
|
作者：
Feng Dai
Yanfei Shen
Yongdong Zhang
Shouxun Lin
机构：
[1] Institute of Computing Technology,
[2] Chinese Academy of Sciences,undefined
[3] Graduate University of Chinese Academy of Sciences,undefined
来源：
The Visual Computer | 2007年 / 23卷
关键词：
Cylinder panoramic video; Most efficient tile size;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Panoramic videos are a 360 degree representation of a certain scene. The users can navigate interactively through the scene and change their view angles. Panoramic videos are often high-resolution and consume a significant amount of bandwidth for transmission. To resolve the problem, tile-based panoramic video coding and transmission is applied in some systems. With tile-based panoramic video coding and transmission, only the tiles involved with the perspective view are transmitted and decoded. Different tile sizes will bring different transmission bit rates for same video quality. In this paper, a two path coding method with H.264/AVC for cylinder panoramic video based on a hyperbolic model is proposed. With this method, the most efficient tile size can be selected and users can build the same quality perspective view with the smallest transmission bit rate.
引用
收藏
页码：891 / 896
页数：5
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