Pre-processed information embedding system

D Wong, C Lee - US Patent 9,117,270, 2015 - Google Patents
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 …

Asymmetric watermark embedding/extraction

R Petrovic, B Tehranchi, JM Winograd… - US Patent …, 2013 - Google Patents
Methods and devices are provided to embed imperceptible watermarks into a host content
and to subsequently extract embedded watermarks in a manner so as to achieve desired …

Pre-processed information embedding system

R Petrovic, B Tehranchi, JM Winograd… - US Patent …, 2014 - Google Patents
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 …

Circumvention of watermark analysis in a host content

R Petrovic, B Tehranchi, JM Winograd… - US Patent …, 2015 - Google Patents
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 …

Watermark embedding workflow improvements

R Petrovic, J Zhao, JM Winograd - US Patent App. 13/324,336, 2013 - Google Patents
Methods, devices and computer program products facilitate embedding and extraction of
watermarks into and from a host content. Embedded watermarks include an automatically …

Circumvention of watermark analysis in a host content

R Petrovic, B Tehranchi, JM Winograd… - US Patent …, 2014 - Google Patents
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 …

Conditional access using embedded watermarks

R Petrovic, J Zhao, JM Winograd - US Patent 9,323,902, 2016 - Google Patents
Methods, devices and computer program products facilitate conditional access to a content
embedded with watermarks. For Such a content, when copy control rules associated with an …

System, method, and product for information embedding using an ensemble of non-intersecting embedding generators

B Chen, GW Wornell - US Patent 6,396,937, 2002 - Google Patents
A system, method, and product are provided to (1) embed a watermark signal into a host
signal, thereby generating a composite signal,(2) optionally enable the composite signal to …

System, method, and product for information embedding using an ensemble of non-intersecting embedding generators

B Chen, GW Wornell - US Patent 6,314,192, 2001 - Google Patents
A system, method, and product are provided to (1) embed a watermark signal into a host
signal, thereby generating a composite signal,(2) optionally enable the composite signal to …

Content management based on dither-like watermark embedding

R Petrovic, J Zhao, JM Winograd - US Patent 10,445,848, 2019 - Google Patents
Methods, devices and computer program products allow embedding and detection of
watermarks into and from a multimedia content. One watermark embedding method includes …