Look at a grayscale photograph in a newspaper with a magnifying glass. Describe the colors you see. Show that the 2 × 2 dither matrix D provides appropriate results on areas of unchanging gray. Find...

Look at a grayscale photograph in a newspaper with a magnifying glass. Describe the colors you see. Show that the 2 × 2 dither matrix D provides appropriate results on areas of unchanging gray. Find the results of D > G when G is a 2 × 2 matrix of values (a) 50, (b) 100, (c) 150, (d) 200.