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This Paper explores using a non-linear system to construct dynamic logic architecture-cellular neural networks (CNN). The proposed CNN schemes can discriminate the two input signals and switch easily among different 16 kinds of operational roles by changing parameters. Each logic cell performs more flexibly, that makes it possible to achieve complex logic operations and construct computing architecture...
This paper presents a new approach to implement the dynamic reconfigurable logical systems based on Cellular Neural Networks (CNN), comparing with utilizing the chaos computing system, which is easier to implement in engineering applications and more stable. We provided and experimentally demonstrated the basic principle for obtaining a full-adder by using uncoupled CNN cells. The actual circuit to...
In this paper, a new semi-fragile watermarking scheme based on nonsubsampled contourlet transform (NSCT) for color image authentication is proposed, in which the watermarking is embedded in the SVs (singular values)of the blocks within NSCT subbands by an adaptive quantized method. The eye is insensitive to the blue color so the transform is used in the blue segment of the color image. NSCT is a redundant...
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