Abstract
In this work we present a cross-reality collaboration system with visual attention guidance that allows a user in virtual reality (VR) to share his view with the users in the real world. The VR user can remotely select the display content of the light field display oriented to multiple real-world users by manipulating the camera in the virtual world. Using a head-mounted display (HMD) integrated with an eye tracker, the VR user's gaze focus depth is estimated and then used to adjust the focal plane of the light field display. The dioptric blur on the areas out of the focal plane is used as a stimulus to naturally guide real-world viewers to where the VR user is currently focusing on in real time. In a high-quality and low-cost way, our system can improve collaboration in multi-user scenarios especially in which one host user is delivering information to other users such as in classrooms and museums.