Add to ORKGI would like to acknowledge certain people who have encouraged, supported and helped me complete my thesis at LSU. I am extremely grateful to my advisor Dr. Subhash Kak for his guidance, patience and understanding all through this work. His suggestions, discussions and constant encouragement have helped me gain a deep insight in the field of Watermarking. I would like to thank Dr. Suresh Rai and Dr. Xue Bin Liang for sparing their time to be a part of my thesis advisory committee. I am grateful to Mr. Quinn Rainwater for all his support and encouragement through out my stay at LSU. I also thank my friends Seema, Lavanya and Priya for their help and encouragement. I would like to thank all my friends here at LSU, who have helped me all throu...