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Communication networks are prone to failures due to targeted attacks or large-scale disasters. Networks can be improved to withstand challenges using mechanisms such as diversity, which can simply be improved by adding links, however achieving maximum resilience is not feasible due to limited budget. Therefore, algorithms that improve the diversity of networks cost-efficiently are necessary. In this...
Improving resilience against failures and targeted attacks is an important aspect of network design. The resilience and cost of networks are two opposing objectives in which a designer should consider when building networks. We develop a heuristic algorithm that balances the centrality of networks by adding a set of links that minimizes the variance of graph centrality measures in a least costly fashion...
Distributed video coding (DVC) technology is investigated and payed more and more attentions in wireless video applications because of characteristics of its encoder with low-complexity and decoder with high-complexity. Its coding types can be sorted the key and Wyner-Ziv frames, key frames are with conventional intra-coding mode, Wyner-Ziv frames are coded by an encoder that is composed of quantizer...
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