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Final year IEEE projects 2016 based on Java IN IOT Journal, Preprint 2016
  • Final year IEEE projects 2016 based on Java IN IOT Journal, Preprint 2016

Reversible Data Hiding in Encrypted Images

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Reversible Data Hiding in Encrypted Images 

The proposed system provides a novel scheme of reversible data hiding in encrypted images based on lossless compression of encrypted data. A stream cipher is used to mask the original content in encryption phase.

Then, a data hider compresses a part of encrypted data in the cipher-text image using LDPC code, and inserts the compressed data as well as the additional data into the part of encrypted data itself using efficient embedding method. Since the majority of encrypted data are kept unchanged, the quality of directly decrypted image is satisfactory.

A receiver with the data-hiding key can successfully extract the additional data and the compressed data. By exploiting the compressed data and the side information provided by the unchanged data, the receiver can further recover the original plaintext image without any error. Experimental result shows that the proposed scheme significantly outperforms the previous approaches.

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