Security enhancements of digital watermarks for multi-media content
R Petrovic, B Tehranchi, J Winograd… - US Patent App. 11 …, 2006 - Google Patents
Methods and apparatus for embedding digital watermarks into a digital host content are
provided. A digital host content is received, eg, at a receiver or other device incorporating a …
provided. A digital host content is received, eg, at a receiver or other device incorporating a …
Secure and efficient content screening in a networked environment
JM Winograd, R Petrovic, J Zhao - US Patent 9,607,131, 2017 - 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 …
policy based on watermarks that are embedded in a content. Watermark extraction and …
Time varying evaluation of multimedia content
R Petrovic, PG Downes - US Patent 8,726,304, 2014 - Google Patents
Methods, systems, devices and computer program products are provided to facilitate
enhanced use and interaction With multimedia content that is based on a time-varying …
enhanced use and interaction With multimedia content that is based on a time-varying …
Watermarking in an encrypted domain
B Tehranchi, R Petrovic - US Patent 8,781,967, 2014 - Google Patents
4,225,967 4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610 4,464,656 4497, 060
4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 …
4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 …
Coordinated watermarking
R Petrovic, J Zhao, JM Winograd - US Patent 9,547,753, 2017 - Google Patents
4,464,656 4497, 060 4,512,013 4,547,804 4,564,862 4,593.904 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 …
4,677.466 4,686,707 4,703,476 4,706,282 4,723,302 4,729,398 4,739,398 4,750,173 …
Second screen content
JM Winograd, PR Johnson, WC Houle - US Patent 8,869,222, 2014 - Google Patents
4,564,862 4,593.904 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 …
4,723,302 4,729,398 4,739,398 4,750,173 4,755,871 4,755,884 4,764,608 4,764,808 …
Extraction of embedded watermarks from a host content using a plurality of tentative watermarks
R Petrovic, V Atti - US Patent 8,923,548, 2014 - Google Patents
4454, 610 4,464,656 4497, 060 4,512,013 4,547,804 4,564,862 4,593.904 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 …
4,669,089 4,677.466 4,686,707 4,703,476 4,706,282 4,723,302 4,729,398 4,739,398 …
Enhanced content distribution using advertisements
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 …
entertainment content in the presence of advertisements. At a compliant device, an …
Watermark extraction and content screening in a networked environment
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 …
policy based on watermarks that are embedded in a content. Watermark extraction and …
Content access management using extracted watermark information
JM Winograd, R Petrovic, J Zhao - US Patent 8,838,978, 2014 - Google Patents
4,225,967 4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610 4,464,656 4497, 060
4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 …
4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 …