Copyright protection is a major concern in digital image transmission over public channel. For copyright protection, watermarking technique is extensively used. As watermarking has got considerable attention in the past decades; its security and robustness need to be taken care of. The work reported in this research is concerned with enhancement of security and robustness in the image watermarking.It is hoped that the approaches suggested for the watermarking could be used for enhancing the security and robustness in the image watermarking.

Dr. Chittaranjan Pradhan is working at School of Computer Engineering, KIIT University, India. His research area includes Digital Watermarking, Information Security, Computer Security, Chaotic Theory, Multimedia Systems and Data Mining. Dr. Pradhan has published more than 30 articles in the national and international journals and conferences.