J Zhao - US Patent 9,106,964, 2015 - Google Patents
Methods, devices, and computer program products are provided to enhance viewing of an entertainment content in the presence of advertisements. At a compliant device, an …
JM Winograd, R Petrovic, J Zhao - US Patent 8,838,977, 2014 - Google Patents
Methods, devices, and computer program products facilitate the application of a content use policy based on watermarks that are embedded in a content. Watermark extraction and …
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 …