SAEVA Proceedings 2014 | Page 132

132   46TH  ANNUAL  CONGRESS  OF  THE  SAEVA        SKUKUZA      16-­‐20  FEBRUARY  2014     modification, medical grade gray scale monitors use the same technology to increase the bit depth of gray scale display. The displayed gray shade is actually a combination of different gray shades at the sub-pixel level, i.e., increase the number of gray shades that each pix V