A Review On Data Hiding Techniques In Encrypted Images
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International Journal of Computer Trends and Technology (IJCTT) |  |
| © - October Issue 2013 by IJCTT Journal | ||
| Volume-4 Issue-10 |
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| Year of Publication : 2013 | ||
| Authors :Ms. Anagha Markandey, Prof. Pragati Patil |
Ms. Anagha Markandey, Prof. Pragati Patil"A Review On Data Hiding Techniques In Encrypted Images"International Journal of Computer Trends and Technology (IJCTT),V4(10):3656-3659 October Issue 2013 .ISSN 2231-2803.www.ijcttjournal.org. Published by Seventh Sense Research Group.
Abstract:- Now a days there is very big problem of data hacking into the networking era. There are number of techniques available in the industry to overcome this problem. So, data hiding in the encrypted image is one of the solution, but the problem is the original cover cannot be losslessly recovered by this technique. That’s why Recently, more and more attention is paid to reversible data hiding (RDH) in encrypted images, since it offers the excellent property that the original cover can be recovered without any los after embedded data is extracted while protecting the image content’s confidentiality. This paper enlists the various methods of data hiding in the image like differential expansion, histogram shift or the combination of both the techniques. This is useful in the way that these methods recovers the image with its original quality with improved PSNR ratio.
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Keywords :— Reversible data hiding, Image encoding, Image decoding, Image compression.