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In IPv6 network, before configuring any address, a node must perform Duplicate Address Detection (DAD) to ensure the address is unique on link. However, original DAD is unreliable and vulnerable. In this article, a pull model DAD is designed, which achieves improvements both in reliability and security through changing the solicitation model. Comparing with SEcure Neighbor Discovery (SEND), this proposal...
In order to solve the pixel divergence problem brought by print and scan process, propose the algorithm that applying stretching contrast grade to adjust image pixel divergence. The parameter setting of this adjusting method uses peak signal noise ratio as standard of measurement, even though using different printer and scanner, we can also get good adjusting image. Simulation results show that the...
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