3t

Software Evaluation

S-Tools provided the most impressive results. Unlike the obvious distortions in "A Cautionary Note on Image Downgrading" [Kurak92], S-Tools maintained remarkable image integrity. The following figure illustrates the text message M1 embedded in container C2.


[Fig 11: Left is original Container2. Right is Container2 with Message1 embedded (51k)]

The following is the original C1 (top) and C1 embedded with M2 (airfield):


 

74

S-Tools
[Original Container1 (Renoir) (55k)]
[Fig 12: Result of Embedding Message2 (Airfield) in Container1 (55k)]
   


Next Section: 3.4 Software Not Tested but Worth Noting


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