DATA HIDING BY CODEWORD SUBSTITUTION (ENCRYPTED H.264/AVC VIDEO STREAM)
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 4, Issue 7
Abstract
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. second data hider may embed additional data in the encrypted domain by using codeword substitution technique, without knowing the original video content This technology will help future innovations and researchers in military application, video in medical field and other applications . In this technology data hiding in encrypted domain without decryption preserves the confidentiality of the content. It is based on the use of new technology to improve efficiency.
Authors and Affiliations
Yogita A. Pawar
Keywords
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