Wednesday, May 02, 2012

Spotted: clever idea - Resolution enhancement by vibrating displays

But I wonder about the impact on user experience and longevity. 

Floraine Berthouzoz, Raanan Fattal

We present a method that makes use of the retinal integration time in the human visual system for increasing the resolution of displays. Given an input image with a resolution higher than the display resolution, we compute several images that match the display's native resolution. We then render these low-resolution images in a sequence that repeats itself on a high refresh-rate display. The period of the sequence falls below the retinal integration time and therefore the eye integrates the images temporally and perceives them as one image. In order to achieve resolution enhancement we apply small-amplitude vibrations to the display panel and synchronize them with the screen refresh cycles.

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