VERTICAL FILTERING APPARATUS FOR RASTER SCANNED DISPLAY

摘要

An apparatus and method is disclosed for reducing flicker in an interlace computer generated raster-scanned display. Several circuits and methods are described for implementing vertical filtering. In general the data for a given pixel on the nth, nth+1,nth+2...nth+N line is read from memory and convolved to provide data for a given pixel on a display line before pixels data for other pixels along these lines is read from memory.