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通常人们的信息70%来自视觉。监控系统提供给指挥中心的是直观的现场图像,且能够存储。高速公路的建设和发展越来越快,相关部门对高速公路监控系统的要求越来越高。多媒体监控系统是一个集多媒体信息的综合性、计算机交互性、监控系统的实时性等技术为一体的综合系统。字符叠加是在视频信号上叠加人类容易辨识的各类字幕信息,并将这些信息与原有视频信号融合在一起传输、存储(如监视器、硬盘录像机等)在视频设备的电子装置。
70% of people’s information is usually from vision. The monitoring system provided to the command center is an intuitive live image that can be stored. The construction and development of expressways are getting faster and faster, and the requirements of the relevant departments on the expressway monitoring system are getting higher and higher. Multimedia monitoring system is a multi-media integrated information, computer interaction, real-time monitoring system technology as one integrated system. Character superimposition is the superimposition of various types of subtitles information that human beings easily recognize on the video signal, and the information is combined with the original video signal to transmit and store the electronic device (such as monitor, DVR, etc.) on the video equipment.