Video image creation in which a raster-scan monitor displays an image comprising realistic, inherently non-aliased strokes created by combining proportions of the values of: (i) pixels defining a simulated brush moving along the image as an artist moves a pen on a tablet in continuous strokes; and (ii)...http://www.google.ca/patents/US5216755?utm_source=gb-gplus-sharePatent US5216755 - Video image creation system which proportionally mixes previously created image pixel data with currently created data
