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An arbitrarily rotated image should not be recognized as a different one, but the conventional image perceptual hashing algorithms can only deal with this partially. Different to watermarking, image perceptual hashing does not need to embed information into the image content, this make it possible that perceptual hashing can treat the synchronization problem in a new manner. In this paper, three cyclic...
Based on Lyapunov stabilization and robust control theory, an optimal guaranteed cost control law for chaos synchronization is proposed in this paper. A polytopic model-parameter uncertain presentation for robust control is applied for the piece-wise linear function which exists in a class of chaotic systems. The optimal control law with input constraint is processed by linear matrix inequality (LMI)...
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