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Dissertation Chapters | Computer Science & Engineering | India | Volume 5 Issue 7, July 2016 | Popularity: 6.7 / 10

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Lossless and Reversible Combine Data Hiding using 4LSB in Encrypted Images with Asymmetric Cryptography

Prashant Gholve, H. A. Hingoliwala

Abstract: This system proposes a lossless, a reversible, and a consolidated statistics hiding plans for determine content pix scrambled by means of open key cryptosystems with probabilistic and homomorphic houses. Inside the lossless plan, the discern content material pixels are supplanted with new values to install the greater records into some LSB-planes of parent content pixels by using making use of 4LSB. At that factor, the implanted records can be straightforwardly eliminated from the encoded place through utilizing blowfish calculation and the records putting process does not have an impact on the decoding of unique plaintext photo document. Inside the reversible method, a pre-getting ready is applied to percent the picture histogram before photo encryption, in order that the alteration on encoded pictures for statistics implanting does not bring about any pixel oversaturation in plaintext place. No matter the reality that a little bending is presented, the inserted records can be eliminated and the primary photograph report can be recuperated from the straightforwardly unscrambled image. Because of the similarity between the lossless and reversible technique, the information inserting bureaucracy inside the two behaviors may be on the identical time executed in an encoded picture. With the joined new manner, a beneficiary might separate a bit of inserted statistics earlier than interpreting, and concentrate different piece of established information of the document and recuperate the primary plain text image after unscrambling.

Keywords: Image encryption, lossless data hiding, reversible data hiding

Edition: Volume 5 Issue 7, July 2016

Pages: 1597 - 1601

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