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A CSP solution to multi-camera surveillance and target tracking

机译:用于多摄像机监控和目标跟踪的CSP解决方案

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Surveillance is an essential part of any security operation, with cameras playing an important role. Often these cameras are controlled by a single individual, but this can lead to inefficient surveillance that leaves areas uncovered and misses targets. We propose a constraint satisfaction problem (CSP) solution to surveilling an area that maximizes the area seen in a region of interest (ROI), minimizes the time individual cells in the ROI goes unseen, and prioritizes targets for tracking. Cells in the ROI are weighted based on the time since they were last seen and whether or not a target is predicted to be in the cell. A virtual environment with cameras and targets is surveilled based on various parameters affecting camera actions. Several metrics are used to measure the performance of each set of parameters, including cell time unseen, average linear uncovered length (ALUL), and time a target is seen with results compared to another surveillance algorithm. The CSP was able to view all cells while greatly increasing the target tracking ability of rarely viewed targets at the cost of slightly fewer viewing steps for the more often viewed targets.
机译:监视是任何安全操作的重要组成部分,摄像机扮演着重要角色。这些摄像机通常由一个人控制,但这会导致监视效率低下,从而使发现的区域无法覆盖并错过目标。我们提出了一种约束满足问题(CSP)解决方案,用于对区域进行监视,该区域可最大化在感兴趣区域(ROI)中看到的区域,最小化ROI中各个单元格看不见的时间,并优先跟踪目标。 ROI中的单元格根据自上次被查看以来的时间以及是否预测目标在单元格中进行加权。根据影响摄影机动作的各种参数,对具有摄影机和目标的虚拟环境进行监视。与其他监视算法相比,几个度量标准用于测量每组参数的性能,包括看不见的信元时间,平均线性未覆盖长度(ALUL)以及看到目标的时间和结果。 CSP能够查看所有单元格,同时大大增加了很少见到的目标的目标跟踪能力,但对于更常查看的目标而言,其查看步骤略为减少。

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