Yueyun Shang

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The present of smart mobile devices have provided unprecedented flexibility to humankind, with which people are able to access kinds of system resource through internet everywhere, including confidential data, nevertheless. While the traditional computing environment is always considered to be static and security-guarded, the context of mobile computing is(More)
Information Hiding is a good method to transmit important information secretly. Video sequences usually include many frames, so they have more room to hide information. In the paper, in order to increase the amount of hiding information, we choose MPEG sequences as hosts, and we present a practical method to hide information in MPEG compressed video.(More)
An efficient distributed data collecting algorithm called EDDCA is proposed to plan the data collecting path for the mobile robot. EDDCA restricts the hop counts of the sensing data transmission to reduce energy consumption in multi-hop routing, then EDDCA constructs a minimum connected dominating set (MCDS) based on a maximal independent set (MIS). Sensor(More)
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