OutOfView Out-of-View Object Visualization Techniques for Mixed Reality. EyeSee360 (SUI '17) EyeSeeX (PerDis '18) FlyingARrow (PerDis '18) HaloVR (MobileHCI '18) WedgeVR (MobileHCI '18) HaloAR (MobileHCI '18) WedgeAR (MobileHCI '18) 3DRadar (IEEEVR '19)