Data Hiding by Code word Substitution (Encrypted H.264/AVC Video Stream)

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Provided by: Engineering Research Publication
Topic: Security
Format: PDF
Digital videos are the very popular because of their frequency on their internet. There are various techniques are present for hiding private data in videos. Digital video needs to be stored in encrypted format. For the purpose of content notation and or tampering these it is necessary to perform data hiding in these encrypted video. This dissertation proposes following three parts that is H264/AVC, video encryption, data embedding, data extraction. The working of the system incorporates three stages, first the analyzing property of H.264/AVC codec the codewords of intraprediction modes, the codewords of motion vector differences and the codewords of residual coefficients are encrypted with stream ciphers.
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