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UAV image registration is a key in the process of UAV image matching and application. Based on a large number of images, overlapping irregular and lack of ground control point, paper put forward the image registration algorithm based on overlapping area detection. Firstly the algorithm uses the improved distributed search method based on phase correlation method to search overlapping area and get...
The goal of bot detection is to discover malicious bot processes by signature comparison or behavior analysis. Existing approaches have several drawbacks, such as requiring a lot of prior knowledge, low detection accuracy, and high false alarm rate. In this paper, we propose a multi‐feedback approach, BotCatch, to detect bots effectively and efficiently on a host by leverage of a combination of signature...
Botnet has become one of the most serious threats to Internet security. Compared with network-based bot detection approaches, host-based approaches can discover more insights of unknown bots, and we may completely eliminate bots if we can successfully detect them on end-host. Host-based approaches mainly include signature and behavior-based detection approaches. In this paper we propose a behavior...
Fast and accurate online tracing of network worm during its propagation is essential for worm containment and reducing the loss. Though worm is randomly spread, there exists implicit causality between adjacent infected nodes. Using this causality can help to enhance the performance of worm tracing algorithm. Bayesian Network can be a very good probability description of the current results and prior...
Mapping the streets and street-crossings of the Nanjing city plan onto nodes and edges of a dual graph, we implement the traffic model of vehicles moving towards specified destinations with navigation and queuing. The navigation rules with local search within the next-nearst-neighborhood are applied both with and without dynamical feedback. The traffic is autonomously driven with a parameter which...
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