Fatemizadeh, Emad, and Mona Maneshi. “A New Watermarking Algorithm Based on Human Visual System for Content Integrity Verification of Region of Interest”. Computing and Informatics, vol. 31, no. 4, Oct. 2012, p. 877-99, http://147.213.75.17/ojs/index.php/cai/article/view/1109.