期刊名称：International Journal of Innovative Research in Computer and Communication Engineering
印刷版ISSN：2320-9798
电子版ISSN：2320-9801
出版年度：2018
卷号：6
期号：1
页码：235
DOI：10.15680/IJIRCCE.2017.0601039
出版社：S&S Publications
摘要：Recently more attention is paid to reversible data hiding (RDH) in encrypted images, since it maintainsthe excellent property that the original image cover can be losslessly recovered after data embedded is extracted whileprotecting the image content’s as confidential. In this survey paper different reversible data hiding methods areanalyzed. All previous methods embed data by reversibly vacating room from the encrypted images, which may besubject to some errors on data extraction and/or image restoration. And the method by reserving room beforeencryption with a traditional RDH algorithm, it is easy for the data hider to reversibly embed data in the encryptedimage. This paper also concerns with a method that embeds image/ text data invisibly into a video based on IntegerWavelet Transform and to minimize the mean square distortion between the original and watermarked image and alsoto increase Peak signal to noise ratio. The transmission and exchange of image also needs a high security. Cryptographyis used to maintain security.
关键词：Reversible data hiding; image encryption; privacy protection; Data extraction.
