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This paper proposes a novel steganography scheme based on Genetic Algorithm. The novel scheme embeds data by using a mapping function based on Genetic Algorithm in 8×8 blocks on the cover image. The optimal pixel adjustment process is applied after embedding the message. GA and Optimal Pixel Adjustment Process are used to obtain an optimal permutation to reduce the difference error between the cover...
Electro-hydraulic servovalve are usually an important part in mechatronic systems. The simplified governing equations for such systems already exist in literature. A comprehensive theoretical analysis of a two-stage electro hydraulic servo valve with a spool position feedback is carried out considering two main probable effects, underlap and back pressure. These analyses are based on fundamental laws...
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