一种基于低延迟随机存取的多视点视频编码新方案

Huayi Lv, Li-ni Ma, Hai Liu
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引用次数: 2

摘要

在多视点视频编码方案中,视点随机访问能力是评价编码方案交互性的重要指标。目前,基于H.264标准的多视点视频编码方案使数据压缩编码同时具有时间相关性和视点间相关性。因此,在实现视图随机访问的同时,需要一种以较小代价获取所请求的视图帧和时间的有效方法。在分析了视点随机存取方法和多视点视频编码方案的基础上,提出了一种基于分层B图像的双通道基本流的多视点视频编码新方案。实验结果表明,所提出的编码方案可以有效地提高随机访问的查看能力,降低计算复杂度。此外,新方案还在一定程度上提高了编码效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Novel Scheme of Multi-View Video Coding for Low-Delay View Random Access
In Multi-view Video Coding Scheme, the ability of view random access is an important performance to evaluate an encoding scheme's interactivity. At present, Multi-view Video Coding scheme based on H.264 standard makes data compression coding with both temporal and inter-view correlations. So, an efficient method to fetch the requested frame of view and time at small cost is needed, while making view random access. A novel scheme of Multi-view Video Coding which is based on dual-channel elementary streams with hierarchical B pictures is proposed, after analysis of the method of view random access and scheme of Multi-view Video Coding. Experimental results show that the proposed coding scheme can effectively improve the ability to view random access and it can reduce calculation complexity. Furthermore, the new scheme is also improve the coding efficiency to a certain exrent.
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