2D Video Coding of Volumetric Video Data

S. Schwarz, M. Hannuksela, Vida Fakour Sevom, Nahid Sheikhi-Pour
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引用次数: 7

Abstract

Due to the increased popularity of augmented and virtual reality experiences, the interest in representing the real world in an immersive fashion has never been higher. Distributing such representations enables users all over the world to freely navigate in never seen before media experiences. Unfortunately, such representations require a large amount of data, not feasible for transmission on today’s networks. Thus, efficient compression technologies are in high demand. This paper proposes an approach to compress 3D video data utilizing 2D video coding technology. The proposed solution was developed to address the needs of ‘tele-immersive’ applications, such as virtual (VR), augmented (AR) or mixed (MR) reality with Six Degrees of Freedom (6DoF) capabilities. Volumetric video data is projected on 2D image planes and compressed using standard 2D video coding solutions. A key benefit of this approach is its compatibility with readily available 2D video coding infrastructure. Furthermore, objective and subjective evaluation shows significant improvement in coding efficiency over reference technology.
体积视频数据的二维视频编码
由于增强现实和虚拟现实体验的日益普及,人们对以身临其境的方式呈现现实世界的兴趣从未如此高涨。分发这样的表现使世界各地的用户能够在从未见过的媒体体验中自由导航。不幸的是,这样的表示需要大量的数据,在今天的网络上传输是不可行的。因此,对高效压缩技术的需求很大。本文提出了一种利用二维视频编码技术对三维视频数据进行压缩的方法。提出的解决方案旨在满足“远程沉浸式”应用的需求,例如具有六自由度(6DoF)功能的虚拟(VR)、增强(AR)或混合(MR)现实。体积视频数据投影在二维图像平面上,并使用标准的二维视频编码解决方案进行压缩。这种方法的一个关键优点是它与现成的2D视频编码基础设施兼容。此外,客观和主观评价表明编码效率比参考技术有显著提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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