Difference attack protection

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United States of America Patent

PATENT NO 10698988
APP PUB NO 20180285537A1
SERIAL NO

15473648

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Abstract

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In one embodiment, a method for preventing a difference attack on watermarked video content is implemented on at least one computing device and includes: manipulating values of a set of pixels to embed a forensic watermark in at least one video frame in a video content item, where the manipulating is in accordance with a given magnitude of change in the values, and introducing random noise to the at least one video frame, where the random noise is random noise of the given magnitude.

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Patent Owner(s)

Patent OwnerAddress
CISCO TECHNOLOGY INC170 WEST TASMAN DRIVE SAN JOSE CA 95134-1706

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cain, Harel Jerusalem, IL 32 230
Devir, Michal Haifa, IL 32 251
Wachtfogel, David Jerusalem, IL 9 52

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