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This paper proposes an embedded surveillance system for real-time anomaly intrusion detection based on temporal difference algorithm and theft items detection based on accumulated background subtraction algorithm. This design of modified vision algorithm fully utilize the advanced parallelism of Field Programmable Gate Arrays (FPGA) and this hardware implementation realizes time-consumed difference...
This paper proposes a method to identify network vulnerability based on Monte Carlo sampling and game theory. A two-player (attacker vs. immunizer), non-cooperative, constant-sum game model is used to obtain a mixed Nash equilibrium strategy. In this strategy, each node has a probability of being selected by the immunizer. These probabilities reflect the vulnerabilities of network nodes. With the...
This paper combines the results of research on social psychology, and has designed a trust model for rumor spreading. It is considered that when information exchanges between people, the trust of information is related to the interpersonal closeness. In addition, this paper uses Monte Carlo method to find the key source nodes in rumor spreading by comparing the total number of spread nodes and spreading...
There are rare researches on how to evaluate trust models. Notation of trust is extended to make trust models comparable. An evaluation framework of trust model is proposed. The actions?? parameters are described. Two evaluation metrics are designed to present the performance of trust models objectively. Experiments are implemented to get the evaluation metrics of Josang model and Beth model. The...
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