Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate
2005-03-22
2005-03-22
Vu, Kim (Department: 2135)
Cryptography
Video cryptography
Video electric signal modification
C713S176000
Reexamination Certificate
active
06870931
ABSTRACT:
A method for embedding message data in a digital image sequence having two or more frames, includes the steps of: providing a dispersed message image representative of the message data; and adding spatially shifted versions of the dispersed message image to successive frames of the digital image sequence.
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Honsinger Chris W.
Jones Paul W.
Rabbani Majid
Eastman Kodak Company
Son Linh L D
Vu Kim
Watkins Peyton C.
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