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：2016
卷号：5
期号：5
页码：8007
DOI：10.15680/IJIRSET.2016.0505102
出版社：S&S Publications
摘要：Information concealing procedure installs information into computerized media with the end goal ofsecurity. Advanced picture is one of the best media to store information. It gives vast ability to concealing mystery datawhich results into stego-picture subtle to human vision, a novel steganographic approach taking into account such as,pixel value differencing. This technique gives both high installing limit and remarkable vagueness for the stego-picture.Pixel Value Differencing based systems is done to deliver changed information concealing strategy. In versatilestrategy picture is separated into pieces and after that information will be covered up.Another technique such asdiscrete cosine transformations ,produces cosine transformations on 8*8 piece of picture and then embedding is donefollowed by on the other hand IDCT is utilized to go along with all the squares into single picture, for example, stegopicture.Target of the implementation work is to expand the stego – picture quality and in addition expand limit ofmystery information.
关键词：Pixel value differencing (PVD); Discrete cosine transformations(DCT); Inverse discrete cosine;transformations(IDCT);TIFF ;JPEG images and secret data.
