The present invention relates to digital Watermarking systems and methods. In a? rst
implementation, so-called movie stu dio rough-cuts are watermarked to provide a forensic …

A media object sensed at one location is delivered at a second remote location, or an
application associated with the object is made available at the second location. In some …

Appl. No.: 09/257,079 (22) Filed: Feb. 24, 1999 A copy protection System for protecting
content wherein ae ars ticket and a watermark are created, utilizing a first time Related US …

US20080240435A1 - Perpetual Masking For Secure Watermark Embedding - Google Patents
US20080240435A1 - Perpetual Masking For Secure Watermark Embedding - Google Patents …

(65) Prior Publication Data* cited by examiner US 2004/O 103293 A1 May 27, 2004 Primary
Examiner Matthew B Smithers Assistant Examiner Courtney D Fields Related US …

The disclosure describes systems for creating and authenti cating printed objects using
authentication and copy detec tion Watermarks. For example, one veri? cation system …

Digital watermark methods for encoding auxiliary data into a host signal are used to
authenticate physical and electronic objects. One Such method computes a content specific …

A watermark embedded in a content (eg, a printed document, digital audio, etc.) includes
data that associates the content with a remote store of related data. For example, an image …

Methods and apparatus for embedding a watermark are dis closed. An example method to
embed media identification information in a compressed media data stream disclosed …

In general, one aspect of the Subject matter described in this specification can be embodied
in a system that includes a user interface device; and one or more computers operable to …