06208745 is referenced by 169 patents and cites 15 patents.

A method and apparatus that inserts watermark information directly into an encoded video bitstream. The method identifies specific blocks or macroblocks in an encoded video bitstieam and inserts the watermark information directly into the bitstream such that these selected blocks are replaced with a block containing watermark information or augmented with watermark information.

Title
Method and apparatus for imbedding a watermark into a bitstream representation of a digital image sequence
Application Number
9/1205
Publication Number
6208745 (B1)
Application Date
December 30, 1997
Publication Date
March 27, 2001
Inventor
Michael A Isnardi
Plainsboro
NJ, US
Dinei A Florencio
Plainsboro
NJ, US
Agent
William J Burke
US
Assignee
Sarnoff Corporation
NJ, US
IPC
G06K 9/00
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