Researchers Combat Terrorists by Rooting Out Hidden Messages
s.schear at comcast.net
Tue Feb 1 23:21:31 PST 2005
At 02:07 PM 2/1/2005, Tyler Durden wrote:
>Seems to me a main tool will be a 2-D Fourier analysis...Stego will
>certainly have a certain "thumbprint", depending on the algorithm. Are
>there certain images that can hide stego more effectively? IN other words,
>these images should have a lot of spectral energy in the same frequency
>bands where Stego would normally show.
Images that ideal for hiding secret messages using stego are those that by
default contain stego with no particular hidden content. A sort of Crowds
approach to stego.
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