One problem of this mechanism is that resolution limitation of LCoS micro-display causes noise in the result image as shown in Figure 10.b. To achieve high image quality, a fast micro-display is used to display N holograms per video frame within the very short temporal bandwidth of the eye. Although each hologram produces a resultant image with noises, the time-averaged percept over N subframes is noise free, as shown in Figure 10.c. In this way, the high quality output is achieved when viewed.