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 …

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 …

Watermark embedding functions adapted for transmission channels

KL Levy - US Patent 8,045,748, 2011 - Google Patents
US8045748B2 - Watermark embedding functions adapted for transmission channels - Google
Patents US8045748B2 - Watermark embedding functions adapted for transmission channels …

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 …

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 …

Watermark position modulation

R Petrovic - US Patent 7,024,018, 2006 - Google Patents
Methods and apparatus are provided for embedding information in a host signal based on
the positioning of watermarks within the host signal. An embedder provides (ie embeds) 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 …, 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 …

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 …

Efficient extraction of embedded watermarks in the presence of host content distortions

R Petrovic, V Atti - US Patent 8,682,026, 2014 - Google Patents
4,639,779 4,669,089 4,677.466 4,686,707 4,703,476 4,706,282 4,723,302 4,729,398
4,739,398 4,750,173 4,755,871 4,755,884 4,764,608 4,764,808 4,789,863 4,805,020 …