Reversible Data Hiding VIA Optimal Code for Image
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 3
Abstract
Digital watermarking often referred to as data hiding for assuring the information. Data hiding in image processing may occur the permanent distortion and hence the original cover medium may not be able to be reversedexactly, after the hidden data have been extracted out. In our previous work, generalize the method of decompressionalgorithm as the coding schem for embedding data and prove the codes can reach the rate–distortion bound as long asthe compression algorithm reaches entropy and uses a binary covers for embedding messages. A codeconstructionforrecursivereversibledatadingestablished a rate–distortion model. In our work presents a novel lossless data-embedding technique, which enables the exact recovery of the original image upon the extractionoftheembeddedinformation.AfterheDecompression, the original message will retrieved. The marked coverisreconstructedandextracting the original message from the cover. In our research work, improve the histogram shifting of compressing features and to construct the recursive code for gray scale covers.
Authors and Affiliations
Senthil Rani D
Keywords
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