08538886 is referenced by 3 patents and cites 14 patents.

An open digital watermark system and methodology having various features for unifying watermark production and processing among diverse user multimedia terminals (112), such as set top box, that may be OPIMA compliant. In accordance with specific aspects, intentional image warping is employed to combat pirating, the analog video channel used to download programming, packet signature implemented for watermark insertion by pixel replacement and use of the data stream made to reduce local data processing and storage.

Title
Watermarking system and methodology for digital multimedia content
Application Number
9/763917
Publication Number
8538886 (B1)
Application Date
August 31, 1999
Publication Date
September 17, 2013
Inventor
Kobad Bugwadia
San Jose
CA, US
Guillaume Mercier
McLean
VA, US
Yun Ting Lin
Ossining
NY, US
Hui Luo
Marlboro
NJ, US
Malcom Davis
Bellevue
WA, US
Siu Leong Iu
San Jose
CA, US
Agent
Young Basile Hanlon & MacFarlane P C
Assignee
Google
CA, US
IPC
G06F 17/00
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