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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …