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Sensing technology is a key enabler of the Internet of Things (IoT) and could produce huge volume data to contribute the Big Data paradigm. Modelling of sensing information is an important and challenging topic, which influences essentially the quality of smart city systems. In this paper, the author discusses the relevant technologies and information modelling in the context of smart city and especially...
The paper aims to provide an approach to obtain a lower bound of H∞ control performance in state space. It is not involved Riccati equation and only concerns with the solution to the standard H2 Riccati equation. As a consequence, the approach can help one to narrow the optimal H∞ performance search via bisection method to a smaller range and considerably reduce the search cost. In addition, the approach...
In this paper, we propose a method for self-embedding an audio signal into itself as a means for protecting the content of audio signal. In the proposed algorithm, the host audio signal is divided into 4 segments, and the feature of every segment is embedded in the less significant bits (LSBs) of another segment that is randomly assigned based on the secret key. And the tamper detection can be performed...
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