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With the increasing use in different areas, cloud data center has gradually showed its superiority in availability, resource utilization and disaster recovery during the service delivery, compared with traditional data center. According to SLA (Service-Level Agreement), the demand on service reliability and other related indexes are put forward. Despite efforts at fault tolerance and redundancy, the...
Recently, social tagging systems become more and more popular in many Web 2.0 applications. In such systems, Users are allowed to annotate a particular resource with a freely chosen a set of tags. These user-generated tags can represent users' interests more concise and closer to human understanding. Interests will change over time. Thus, how to describe users' interests and interests transfer path...
Background modeling is one of the key techniques in video surveillance system. When the training images contain more moving objects or its number is not sufficient, the existing methods normally end up with incorrect background estimates. In this paper, we study a type of method on data analysis, i.e., Robust Principle Component Analysis (RPCA), and present its application on the background modeling...
In this paper, we present a novel approach for constructing an adaptive panoramic and multi-layered background model for Pan-tilt-zoom (PTZ) camera that provides fast registration of the observed frame and localizes the foreground targets with arbitrary camera position and scale (optical zoom). Our method consists of two stages. (1) An adaptive panoramic background mixture model is generated off-line...
This paper presents an integrated model and its solution algorithm for freeway corridor control during incident management. With a parallel arterial as the detour route, the proposed model aims at producing the optimal diversion rates from the freeway mainline to relieve the congestion at the incident segment and concurrently adjust signal timings at the arterial intersections to best accommodate...
Background subtraction, and tracking are the first processing steps in video surveillance applications. Prior work on background modeling has mainly focused on model representation for each pixel, further more, it also need longer training sequences in which no much more moving objects. Here, we introduce a new background modeling approach based on R-PCA for the background subtraction, which can obtain...
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