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 …
R Petrovic, J Zhao, JM Winograd - US Patent 9,942,602, 2018 - Google Patents
Methods, devices, systems and computer program products enable enhances delivery and use of metadata that is associated a primary multimedia content. Watermarks that are …
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 …
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 10,178,443, 2019 - Google Patents
Methods, systems and devices enable enhanced delivery of metadata, as well as auxiliary programs and services asso ciated with a primary content. In one method, a primary content …
R Petrovic, J Zhao, JM Winograd - US Patent 9,769,543, 2017 - Google Patents
Methods, systems and devices enable enhanced delivery of metadata, as well as auxiliary programs and services asso ciated with a primary content. In one method, a primary content …
Methods, apparatus, and systems for signal continuity assess ment using embedded watermarks are provided. The embed ded watermarks are recovered from the content and …
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 …