A Historical and Current Review of Extended Reality Technologies and
Applications
Abstract
This paper provides a review of Extended Reality (ER) technologies and
applications. The different technologies related to ER, such as Virtual
Reality, Augmented Reality and Mixed Reality are introduced and
explained, following an historical perspective. The basic technical
concepts behind these technologies are briefly explained. Current
applications are presented, including references to actual tools and
systems, in order to clarify the concepts and the potential of the
technologies.Â