The present invention provides steganographic embedding techniques. A digital watermark
signal is reduced to a set of spatial positions. The set of spatial positions sufficiently conveys …

A system for using a watermark embedded in an audio signal to remotely control a device.
Various devices such as toys, computers, and appliances, equipped with an appropriate …

Systems and methods are provided for monitoring transmis sions of media content (such as
audio and audiovisual content) in order to obtain independent and objective data regarding …

Methods, systems, and apparatus are disclosed which enable flexible insertion of forensic
watermarks into a digital content signal using a common customization function. The …

Methods and devices are provided for reducing perceptible artifacts in a host content when
the host contend is embedded with watermarks. In one method, a first segment of a host …

The present invention provides methods and systems related to arranging objects (eg,
circles, dots and other shapes) in images and graphics to convey a machine-readable …

The disclosure relates generally to geographic-based signal detection. One claims recites a
method including: receiving information indicating a geographical area; with reference to at …

Methods and devices are provided for embedding auxiliary information in a host content in a
manner that reduces memory, bandwidth and computational complexity of the embedding …

The disclosure provides apparatus related to arranging objects (eg, circles, dots and other
shapes) in images and graphics to convey a machine-readable signal. One claim recites an …

Methods and devices are provided to thwart analysis of a watermarking system by
preventing analysis of watermarks in a host content. Upon receiving a content at a …