期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：2
页码：793
DOI：10.15680/IJIRSET.2015.0402164
出版社：S&S Publications
摘要：Recently, more and more attention is paid to reversible data hiding (RDH) in encrypted images, since itmaintains the extreme property that the original cover can be loss less recovered after Converting data is extractedwhile protecting the image content‟s confidentiality. All previous methods embed data by reversibly vacating roomfrom the encrypted images, which may be subject to some errors on data extraction and/or image restoration. In thispaper, we propose a novel method by reserving room before encryption with a traditional RDH algorithm, and thus it iseasy for the data hider to reversibly embed data in the encrypted image. The proposed method can achieve realreversibility, that is, data extraction and image recovery are free of any error. Experiments show that this novel methodcan embed more than 10 times as large payloads for the same image quality as the previous methods
关键词：reversible data hiding (RDH);Peak signal to noise ratio(PSNR);Least Significant bit(LSB)
