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COMBINED FRAGILE WATERMARK AND DIGITAL SIGNATURE FOR H.264/AVC VIDEO AUTHENTICATION

By K. Ait Saadi, A. Bouridane and A. Guessoum

Abstract

Currently the demand of security is getting higher due to easy reproduction of digitally created multimedia data. Digital watermarking aims to embed secret information into content for copyright protection and authentication. This paper proposes a combined digital watermarking and digital signature based on video content to authenticate and to verify the integrity of the compressed H.264/AVC video. Features are extracted as the authentication data from transform domain to generate a unique digital signature using an MD5hash function. The authentication information treated as fragile watermark is embedded in a set of motion vectors belonging to higher motion activities with the best partition mode in a tree-structured motion compensation approach. Watermark detection is blind and does not require an original video. Experimental results show that the proposed watermarking technique can not only achieve the goal of fragility but also verify the authenticity and the integrity of the video. 1

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.184.5604
Provided by: CiteSeerX
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