wearing AR headsets are supervised by a remote expert wearing a VR HMD, we evaluated
three view-sharing techniques: 2D video, 360 video, and 3D model augmented with 2D
video. Through a pilot test, the weaknesses of the techniques were identified, and additional
features were integrated into them. Then, their performances were compared in two different
collaboration scenarios based on search and assembling. In the first scenario, a local user …