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Nowadays the estimation of crowd density and people counting is a great focus under public security affairs in surveillance. A scheme for crowd counting estimation based on linear regression function is proposed in this paper. In the proposed scheme, the Light Effect Suppression Model (LESM), which effectively reduces the sensitivity to illumination change, is applied to extract the foreground. Besides...
The mapping of the Internet topological structure is indeed of great importance for a better understanding of the network's internal structure, network management, etc. Current explorations still mainly rely on the extensive use of the traceroute tool from a given set of sources to a given set of destinations. However, the deployment of dedicated measurement infrastructures on sources is often quite...
Recently, the characteristics of traceroute probe have been widely studied in the field of Internet topology discovery, which helps researchers to understand the role of Traceroute tool better, such as sampling bias, marginal utility and so on. In this paper, we study three raw datasets of traceroute probe of different platforms and observe an interesting phenomenon: in the process of one probe, every...
An accurate map of the Internet is very important for studying the network??s internal structure and network management. The main approach to map the Internet is to collect information from a set of sources by using traceroute-like probes. In a typical mapping project, active measurement sources are relatively scarce while traceroute destinations are plentiful, which makes the sampled graph quite...
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