Reversible Watermarking based on Histogram ShiftingModification:A Review
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2015, Vol 17, Issue 3
Abstract
Abstract: When we talk about the data communication or exchange of information from sender to receiver, themajor concern is DATA. This (data) being of high importance, prone to various kinds of attacks. In order toprotect it, data hiding techniques are used. Some of the data hiding techniques available are digitalwatermarking, steganography, etc. By digital watermarking, data is hidden in any type of multimedia likeimages, audio, etc. Watermarking is one of the major solution to provide authenticity and copyright protectionto the digital data. But watermarking causes damage to the cover signal (signal in which data are embedding),therefore recovery of the original cover signal is not possible at the receiving end, which is not tolerable inmany fields like medical, military, etc. To reduce the degradation in the watermarked signal “Reversiblewatermarking techniques” are used. In reversible watermarking original cover signal and the message areretrieved with fewer errors. Reversible data hiding techniques are also known as the Lossless data hidingtechniques. This technique is getting high importance day by day because of some fields like military, medical,etc. This paper describes the various reversible watermarking techniques which are already existing.
Authors and Affiliations
Anamika Jain , Namita Tiwari
Keywords
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