Patent ID: 6252578
Filing Date: 2001-06-26
Classification: G09G

Abstract:
An apparatus for processing digital display data, said digital display data representing a fixed number of pixels in each display line, the apparatus comprising:packing means for serially organizing display data as horizontal display data corresponding to pixels in the same horizontal line of display data and as vertical display data corresponding to pixels in the same vertical line of display data:a horizontal averaging means for identifying pixel data corresponding to a first pixel, a second pixel, and a third pixel, said first, second, and third pixels being consecutive pixels from said horizontal display data, and smoothing the intensity values of said first, second, and third pixel, and storing a resulting smoothed value for said second pixel, wherein said horizontal averaging means performs said smoothing operation by mathematically computing a first sum of one-quarter of the intensity value of the first pixel, one-half of the intensity value of the second pixel, and one-quarter of the intensity value of the third pixel; anda vertical averaging means for identifying pixel data corresponding to a fourth pixel, and a fifth pixel, said fourth and fifth pixels being vertically adjacent pixels from said vertical display data and smoothing the intensity values of said fourth and fifth pixel data, and storing the resulting smoothed values.