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Management System for Cameras' Video Data in Emergency

机译:紧急情况下摄像机视频数据管理系统

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摘要

In case of emergency, we need to grasp the situation and make correct assessment quickly. The video data taken from the monitoring cameras are important information in emergency situations. In our research, we built a support system for identifying video data of monitoring cameras. The system collects video data from the net-cameras through the Internet and deals with them as spatio-temporal data. To search video data, we proposed an intuitive search method for users. In this method, we assume a virtual wall in the city. This method allows users to search for the video data, which is recorded during a period, and records a virtual wall in a certain direction. The users set the above search-key on the map, and it will be transformed to the search-key for the spatio-temporal access structure to proceed with the search. When the system shows the search result, the video data, which is easy to understand the whole scene, will be displayed first. As the horizontal direction of the screen corresponds to the virtual wall's direction in the real world, the user can narrow down the search result in the horizontal direction of the screen. We built a prototype in Java, Javaservlet and C+ +.
机译:万一发生紧急情况,我们需要及时掌握情况并做出正确的评估。在紧急情况下,从监控摄像机获取的视频数据是重要信息。在我们的研究中,我们建立了一个用于识别监控摄像机视频数据的支持系统。该系统通过Internet从网络摄像机收集视频数据,并将其作为时空数据进行处理。为了搜索视频数据,我们为用户提出了一种直观的搜索方法。在这种方法中,我们假设城市中有虚拟墙。该方法允许用户搜索在一段时间内记录的视频数据,并在特定方向上记录虚拟墙。用户在地图上设置了上面的搜索键,并将其转换为用于时空访问结构的搜索键以继续进行搜索。当系统显示搜索结果时,将首先显示易于理解的整个场景的视频数据。由于屏幕的水平方向与现实世界中虚拟墙的方向相对应,因此用户可以在屏幕的水平方向上缩小搜索结果的范围。我们用Java,Javaservlet和C ++构建了一个原型。

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