Title: Steganalysis

Essay Details

Subject: Technology
Author: Hermelinda P
Date: November 15, 2015
Level: University
Grade: B
Length: 2 / 569
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

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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