Page "Steganography" Paragraph 49
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The choice of embedding algorithm in the most cases is driven by the results of the steganographic channel robustness analysis.
One of the areas that improves steganographic robustness is usage of a key scheme for embedding messages.
Various key steganographic schemes have various levels of protection.
Key scheme term means a procedure of how to use key steganographic system based on the extent of its use.
However, when the steganographic robustness is increased a bandwidth of the whole embedding system is decreased.
Therefore the task of a scheme selection for achieving the optimal values of the steganographic system is not trivial.
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