Steganalysis

Essay specific features

 

Issue:

Technology

 

Written by:

Michael W

 

Date added:

April 17, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 569

 

Was viewed:

6172 times

 

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Essay content:

Discovering and rendering useless such covert messages is a new art form known as steganalysis. Stego object is the object with hidden data. To discover such covert messages we are using two types of attacks generally known as known-cover attack and stego only attack. In known-cover attack both the original and stego object both are available...
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Thus the difference between the two objects (images) can be calculated by image difference algorithm (difference between the color components). In stego-only attack only the stego object (image) is available. Algorithm we are implementing is a stego -only attack in LSB insertion for uncompressed color images encoded in 24 bit BMP format...
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