Implementations may relate to various aspects of modifying, or using, a coded bitstream, or
to recovering watermarking information from data. In one implementation, a coded bit stream …

Implementations may relate to various aspects of modifying, or using, a coded bitstream, or
to recovering Watermarking information from data. In one implementation, a coded bit …

Various implementations are provided for, for example, determining watermarking data,
performing the watermarking, and processing watermarked data. At least one …

Aspects of digital watermarking are described. These aspects include utilizing a data Stream
to configure opera tions of an adaptive computing engine, and embedding dynamic …

Methods embed a digital watermark into a halftone image. One method derives halftone
thresholds from a watermark image, and then uses these thresholds to convert target images …

Awatermark image may be generated that includes a first set of encoded pixels each of
which is assigned a first trans parency value and a second set of encoded pixels each of …

A tamper-resistant text stream watermarking system is provided. Content such as any text-
based document including programming code is encoded with a watermarking mechanism …

This disclosure describes methods for coding messages for digital watermark applications.
One method combines the use of different error correction coding Schemes to error …

US PATENT DOCUMENTS ark i her frequency domain regi a Alternatively, it encodes
instances of the same message into 5,617,119 A 4/1997 Briggs et al. the frequency domain …

BACKGROUND Digital watermarking is a process for modifying physical or electronic media
to embed a machine-readable code into the media. The media may be modified such that …