Efthimia Bilissi Ralph E. Jacobson Geoffrey G. Attridge Perceptibility and Acceptability of Gamma Differences of Displayed sRGB Images. 120-125 2003 conf/pics/2003 PICS http://www.imaging.org/store/epub.cfm?abstrid=8512 db/conf/pics/pics2003.html#BilissiJA03