%PDF-1.4 % 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <>stream IEEE IEEE Transactions on Visualization and Computer Graphics;2020;26;12;10.1109/TVCG.2020.3023602 Multi-channel interaction virtual-real occlusion multi-camera collaboration MR experiments Dream-Experiment: A MR User Interface with Natural Multi-channel Interaction for Virtual Experiments endstream endobj 4 0 obj <>stream x??