Watermarking: Hide Invisible Digital Signature

This lecture covers the motivation behind watermarking, the history of watermarks, and the transition to digital watermarking. It explains the concept of hiding an invisible digital signature within media, the different types of watermarking approaches, and the typical requirements and applications of watermarking schemes. The instructor discusses the challenges of robustness and imperceptibility in watermarking, as well as the various attacks that can be encountered. The lecture also delves into the AMT watermarking technique, emphasizing the importance of resistance to geometric transforms in ensuring the security of digital content.