(57) ABSTRACT A watermark System includes an embedder, detector, and reader. The
watermark embedder encodes a watermark Sig nal in a host signal to create a combined …

Methods and apparatus for embedding digital watermarks into a digital host content are
provided. A digital host content is received, eg, at a receiver or other device incorporating a …

The following Sections describe applications for integrat ing watermarks in multimedia data.
In general, these appli cations exploit Some level of interaction between water marks and/or …

Methods for adapting the operation of a system in response to the detection of embedded
Watermarks from a digital host content are provided. A digital host content is received and …

A captured image is processed with one or more correction processes selected from a
plurality of such processes, each associated with correction of a specific type of image …

H04N 60/29(2006.01) HO) 4N 7/173 (2006.01) sions of media content (Such as audio and
audiovisual con H04N 7/6(2006.01) tent) in order to obtain independent and objective data …

(57) ABSTRACT A method for decoding auxiliary data from media signals in multimedia
content decodes watermarks from different media Signals and uses the watermarks to …

Methods, devices, and computer program products facilitate the application of a content use
policy based on watermarks that are embedded in a content. Watermark extraction and …

SZ3O3Z37O 4/1994 Brosh et a1 '_ The process comprises the steps of raster1Z1ng the? rst
image 5,337,361 8/1994 Wang et al............................... 380/51 into an? rst elemental image …

Methods, apparatus, and systems for signal continuity assess ment using embedded
watermarks are provided. The embed ded watermarks are recovered from the content and …