Content authentication and recovery using digital watermarks

J Tian - US Patent 8,032,758, 2011 - Google Patents
6,353,672 B1 3, 2002 Rhoads 6,404,926 B1 6/2002 Miyahara et al. 6,418,232 B1 7/2002
Nakano et al. 6,448,485 B1 9, 2002 Barile 6,449,380 B1 9/2002 Acharya 6,490,681 B1 …

Hardware-enforced, always-on insertion of a watermark in a video processing path

DR Flaharty, RP Cocchi, GJ Gagnon… - US Patent …, 2016 - Google Patents
Beach, CA (US); Michael A. Gorman, USPC rirr r 382/100 Cypress, CA (US); Jacob T.
Carson, See application file for complete search history. Long Beach, CA (US)(*) Notice …

Watermark resistant to resizing and rotation

PD Wendt - US Patent 6,845,170, 2005 - Google Patents
US6845170B2 - Watermark resistant to resizing and rotation - Google Patents
US6845170B2 - Watermark resistant to resizing and rotation - Google Patents Watermark …

Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration

F Ahmed - US Patent 6,771,797, 2004 - Google Patents
The invention provides methods and systems for detecting and characterizing alterations of
media content, such as images, video and audio signals, using Watermark messages to …

Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration

F Ahmed - US Patent 6,512,837, 2003 - Google Patents
The invention provides methods and Systems for detecting and characterizing alterations of
media content, Such as images, Video and audio Signals, using watermark messages to …

Integrating digital watermarks in multimedia content

BL Davis, TF Rodriguez, GB Rhoads - US Patent 6,975,746, 2005 - Google Patents
(57) ABSTRACT A method for decoding auxiliary data from media signals in multimedia
content decodes watermarks from different media Signals and uses the watermarks to …

Interactive content acquisition using embedded codes

JM Winograd, J Zhao, R Petrovic - US Patent 9,596,521, 2017 - Google Patents
Methods and devices are provided to obtain associated information for a multimedia content.
One such method includes receiving a content at a receiver device equipped with a …

Service signaling recovery for multimedia content using embedded watermarks

JM Winograd, R Petrovic, J Zhao - US Patent 9,602,891, 2017 - Google Patents
Methods, devices, systems and computer program products facilitate accessing metadata
associated with a primary audio Visual content. Upon reception of a primary content, one or …

Import control of content

J Talstra, MJJ Maes, G Lokhoff - US Patent App. 10/544,827, 2006 - Google Patents
(57) ABSTRACT A method of and device for controlling import of content into a domain
comprising a number of devices. The method comprises checking for the presence of a …

Metadata acquisition using embedded watermarks

JM Winograd, J Zhao, R Petrovic - US Patent 10,504,200, 2019 - Google Patents
Methods, devices and computer program products are described that improve acquisition of
metadata that is associates with a multimedia content, such an audio or video content. In …