Some critical aspects of metaverse are briefed. The significance of immersion to metaverse is highlighted. Efforts to improve the sense of immersion are investigated. The principles of some immersive display technologies including head-mounted display (HMD), head-up display (HUD) and large size display are introduced and the corresponding prospects are envisioned. The importance of immersive interaction on metaverse is analyzed. Values of computer graphics, artificial intelligence and machine vision for metaverse are induced. The potential applications of metaverse are predicted based on the mentioned features.

metaverse  /  immersive display  /  three-dimensional display  /  immersive interaction