Display systems and registration methods for mixed reality applications

Mixed reality technologies have been studied for many years, which now can be applied in many aspects of our daily life. Generally, appropriate display devices and registration methods are the key factors for the successful application of the mixed reality system. In the past decade, various types of display systems have been developed at Beijing Institute of Technology, and many of them have been successfully employed in different mixed reality applications. In this paper, we give a brief introduction to the various display systems and their corresponding tracking approach developed and realized at Beijing Institute of Technology for mixed reality applications. These technologies include an interactive projection system based on motion detection, a fixed-position viewing system, an ultra-light wide-angle head-mounted display system and a volumetric 3D display system.