A Survey Paper on Data Hiding Technique Based on Codeword Substitution Algorithm

Provided by: Creative Commons
Topic: Data Management
Format: PDF
Digital video needs to be stored and processed in an encrypted format to maintain security and privacy. For the purpose of content notation and tampering detection, it is necessary to perform data hiding in these encrypted videos. In this way, data hiding in encrypted domain without decryption preserves the confidentiality of the content. In addition, it is more efficient without decryption followed by data hiding and re-encryption. The scheme of data hiding directly in the encrypted version of H.264/AVC video stream which includes the following three parts, i.e., H.264/AVC video encryption, data embedding and data extraction.

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