1. A method for increasing the perceived visual acuity between a high resolution video input device and a low resolution video output device, wherein the high resolution device inputs at least four times the number of pixels that are output by the low resolution output device, said method comprising the steps of: inputting a high resolution video input as an array of pixels; selecting a plurality of subsets of said input pixels, wherein said pixels that are selected to form said subsets are periodically altered; processing said selected subsets to determine an output pixel value for each said selected subset; and outputting each said processed output pixel value to a corresponding output pixel in said low resolution output device.