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Uniform Embedding For Efficient Jpeg Steganography
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Uniform Embedding For Efficient Jpeg Steganography

Category : Multimedia


Sub Category : JAVA


Project Code : ITJMM04


Project Abstract

Uniform Embedding For Efficient Jpeg

Steganography

 

ABSTRACT                                   

 

Steganography is the science and art of covert communication which aims to hide the secret messages into a cover medium. To this end, the framework of minimal distortion embedding is widely adopted in the development of Steganography system, in which a well designed distortion function is of vital importance. In this paper, a class of new distortion functions called as uniform embedding distortion function (UED) is presented for both side informed and non side-informed secure JPEG Steganography. By incorporating the syndrome trellis coding (STC), the best codeword with minimal distortion for a given message is determined with UED, which, instead of random modification, tries to “spread” the embedding modification uniformly to quantized DCT coefficients of all possible magnitudes. In this way, less statistical detect ability is achieved, owing to the reduction of the average changes of the first- and second-order statistics for DCT coefficients as a whole. The effectiveness of the proposed scheme is verified with evidence obtained from exhaustive experiments using popular steganalyzers with various feature sets on the BOSS base database.

EXISTING SYSTEM

PROPOSED SYSTEM

EXISTING CONCEPT:-

In this existing system they using And (r) Or rule and it’s used for used for find the malicious attacker in node.

In this system also have some drawback are present,  if they some data hide in particular in jpeg images can crack easily and view the data by unknown person easily.

 PROPOSED CONCEPT:

In proposed system, we using UED And mainly used for to hiding the details in image.

In this system, we improve the security in Steganography images by using STC technique.

 

EXISTING TECHNIQUE:-

 

Non-Zero Ac Coefficients

        .

PROPOSED TECHNIQUE:-

Uniform embedding distortion function(UED)

syndrome trellis coding (STC)

TECHNIQUE DEFINITION:-

In most existing system they using only rich model based steganalyzers and its used for identify the data in jpeg file and its more accurate result have some demerit in the system quality image will reduce and also unknown person identify easily and they crack the image.

TECHNIQUE DEFINITION:-

In propose system, we focus on the design of a new additive distortion function for JPEG Steganography. By the concept in spirit of “spread spectrum communication”, the proposed distortion function is uniformly “spread” the embedding modification to DCT coefficients of all possible magnitudes..

DRAWBACKS:-

The image quality is poor.

It does not encrypt the data

 

ADVANTAGES:-

The image quality is good.

It gives more security the data.

 
 
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