An Improved Image Steganography Technique using Quantized Range Table Pixel Value Differencing
نویسندگان
چکیده
منابع مشابه
An Improved Image Steganography Technique using Quantized Range Table Pixel Value Differencing
Steganography is a way of hiding the information transmitting from sender to receiver and making the communication invisible. To enlarge the capacity of hidden secret information and to produce indistinguishable stego-image from original image with human eye, a new steganographic approach using improved pixel value differencing in a segment of four pixels and range table using perfect square nu...
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This paper presents a steganographic scheme based on the RGB colour cover image. The secret message bits are embedded into each colour pixel sequentially by the pixel-value differencing (PVD) technique. PVD basically works on two consecutive non-overlapping components; as a result, the straightforward conventional PVD technique is not applicable to embed the secret message bits into a colour pi...
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Internet as a communication media brings easiness, speed, and lower costs, but this media couldn’t give any safety guarantee. That’s why the data should be protected from unauthorized people. Steganograhpy technique could be used to do the protection. This technique inserts data or information into object cover, which is digital image. The succes criteria of steganography implementation is when...
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Pixel-value differencing (PVD) steganography generates step effects or abnormal high fluctuations in PVD histogram. Since steganalysis exploits these artifacts to defeat the PVD steganography, modified PVD (MPVD) steganography preserving the PVD histogram is recently presented. This paper proposes a novel steganalysis method, in which we embed message one more time into the suspicious image to ...
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ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2015
ISSN: 0975-8887
DOI: 10.5120/20432-2762