A digital watermark system embeds auxiliary signals in multimedia types, including audio, still and moving images, and physical objects. These auxiliary signals, referred to as digital watermarks, include multiple components that can perform differing functions and that are embedded with different levels of redundancy, potentially within different transform domains of the host signal.

 
Web www.patentalert.com

< Methods and systems for real-time, interactive image composition

< Communication management system and method

> Method and apparatus for embedding digital watermarking into compressed multimedia signals

> System and method for management, creation, storage, search and delivery of rich media optimized for e-commerce in a distributed information network

~ 00288