Q-VR：面向未来移动协作虚拟现实的系统级设计
Q-VR: System-Level Design for Future Mobile Collaborative Virtual Reality
摘要：
高质量的移动虚拟现实（VR）是即将到来的图形技术时代所要求的：世界各地的用户，无论其硬件和网络条件如何，都可以享受身临其境的虚拟体验。然而，国家的最先进的基于软件的移动虚拟现实设计不能完全满足实时性能的要求，由于高度互动的性质，用户的行动和复杂的环境约束，在虚拟现实执行。受独特的人类视觉系统效果和VR运动特征与实时硬件级信息之间的强相关性的启发，我们提出了Q-VR，一种新的动态协同渲染解决方案，通过软硬件协同设计，使未来的低延迟高质量的移动VR。在软件层面，Q-VR提供灵活的高级调优接口，在保持用户感知的同时减少网络延迟。在硬件层面，Q-VR通过有效利用日益强大的VR硬件的计算能力，适应用户的各种硬件和网络条件。在真实游戏中的广泛评估表明，Q-VR可以实现比商业VR设备中传统本地渲染设计平均3.4倍（最高6.7倍）的端到端性能加速，以及比最先进的静态协同渲染提高4.1倍帧速率。
英文摘要：
High Quality Mobile Virtual Reality (VR) is what the incoming graphics technology era demands: users around the world, regardless of their hardware and network conditions, can all enjoy the immersive virtual experience. However, the state-of-the-art software-based mobile VR designs cannot fully satisfy the realtime performance requirements due to the highly interactive nature of user's actions and complex environmental constraints during VR execution. Inspired by the unique human visual system effects and the strong correlation between VR motion features and realtime hardware-level information, we propose Q-VR, a novel dynamic collaborative rendering solution via software-hardware co-design for enabling future low-latency high-quality mobile VR. At software-level, Q-VR provides flexible high-level tuning interface to reduce network latency while maintaining user perception. At hardware-level, Q-VR accommodates a wide spectrum of hardware and network conditions across users by effectively leveraging the computing capability of the increasingly powerful VR hardware. Extensive evaluation on real-world games demonstrates that Q-VR can achieve an average end-to-end performance speedup of 3.4x (up to 6.7x) over the traditional local rendering design in commercial VR devices, and a 4.1x frame rate improvement over the state-of-the-art static collaborative rendering.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
