ABSTRACT
This chapter delves into the key technical solutions and user requirements for cloud virtual reality (VR). The requirements for immersive VR can be divided into content and display quality. Content quality includes image definition, smoothness, color fidelity, and stereoscopic effect, while display quality depends on whether audio and visual signals are in sync and whether image distortion, pixelation, or buffering occurs. Strong-interaction cloud VR services usually adopt asynchronous rendering between the terminal and cloud, whereas cloud VR video services adopt full-view video transmission and field of view video transmission. This is an extra process of cloud VR relative to local VR during service processing and the major cause of black edges, smearing, and lag. In cloud VR services transmitted using User Datagram Protocol, packet loss can cause pixelation. The pixelation type depends on the type of lost frames.
