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Gaofen-5 (GF-5) satellite is designed to provide high resolution imagery for land observation and disaster monitoring and will be launched in 2017. As true GF-5's data is unavailable, image simulation can be a useful tool to provide test images for research on relevant key techniques. In this paper, an emissivity image simulation method is proposed for 4 thermal infrared (TIR) bands on one of GF-5's...
The power flow model for DC power grids has been used theoretically to launch false data injection attacks (FDIAs) against state estimation. We recognize FDIAs are just one possible attack using the power flow model and that the grid topology information within the model implies its discovery may also facilitate topology-based attacks. We show attackers can derive the power flow model, and thus the...
Graph-structured data has come into wide use in various fields where graphs are the natural data structure to model networks. Therefore, the comparison between two graphs becomes a research focus. Traditional approaches for graph comparison face the common problem: either increasing the runtime for large graphs or simplifying the representation of graphs which ignores part of their topological information...
With the emergence of WiFi technology and network-based applications, the computing, communication and sensing capabilities of smartphones are increasing rapidly, and the smartphone has emerged as a particularly appealing platform for pervasive network applications. However, WiFi entails considerable energy consumption on these battery-powered devices. Finding ways to reduce power consumption on smartphones...
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