Recently, virtual reality technology plays an important role as an interface between current cyber physical systems and wearable displays, and HMD is HMD is a hot topic. The problem with wearables is that the same information cannot be shared by many users even though they are in the same space. It needs other information presentation and sharing methods that people share together.
Naoya Koizumi, Sunny Day Display: Mid-air Image Formed by Solar Light, Proc. of the 2017 ACM International Conference on Interactive Surfaces and Spaces, pp. 126 – 6 (2017).
Digital Object Identifier (DOI): 10.1145/3132272.3134137